Lower unit leaking oil out water intake. The other area were it could .

Lower unit leaking oil out water intake 2) I checked the Gear Lube Oil Reservoir for the outdrive and that was at the "Full" line. Took drive unit off and then separated lower unit. It needs to be fixed before using, or it will lock up the lower unit. The drive shaft and water impeller housing have already been replaces with no luck. Never noticed it before. If it is milky oil then the seal is leaking at the prop shaft. My 200hp 2002 ox66 saltwater series lower is switching from leaking gear oil or water out of the small water intake that is recessed above and just forward of the water intake. Small parts like bolts can easily I have a 4. As for your question on the thrust bearingI am assuming you are The seals on the lower unit are one way seals and are designed to keep water out of the lower unit, not necessarily to keep oil from coming out the other way. Take of 115 leaking oil at air vent The leak comes from the single side hole beside the water intake,some refer to this as an air vent but I am not sure what it's called. Any advice? No lube, no leaks. I figured it was because i had drained oil/ looked good not milky at all, filled from bottom w/top oil level screw out filled w/hand pump out of quart of gear oil filled until oil came out of oil level hole, noticed new gear oil coming from intake screen same side as filler hole. Does anyone know if his is a problem? The gear oil is not milky, and the speedometer still works. 3) I checked the Engine Oil and that was at the "Full" line. Is it crankcase oil or lower unit oil? Jim Comment. After, drop the lower case (6 bolts) and have a look at the impeller housing. The screw you see under that two screw inspection plate is a shift linkage agjustment, and you have to pull that screw to get the lower off. 4) I checked the ATF for the Trim Motor and it was just under "Minimum". can't really tell yet. No water in the oil as I've filled, ran and drained twice since last Hey guys,Ive got a 135hp 1986 black max v6 merc. Thread starter Gunn; Start date Apr 13, 2022; Apr Causes of Oil Leakage from the Lower Unit Weep Hole. I replaced mine last year not a hard job to do either mine was leaking oil out through the intake some said it could be the o Upper drive shaft seal it runs out all over the place, oil from the water Mercruiser alpha1 leaking oil from a drain hole in front between upper and lower unit. One on the shift shaft and one beneath the water pump housing. after a pressure test with a little soap i found the lower water pump housing was leaking, this was a new part but i guess these things How to - Inspect Common Issues Causing Water Intrusion in Lower Unit with Randy Carter! Yeah, that doesn’t look promising. We probably put 50 (or so) hours on it this season and went through maybe 1. Df70 oil leaking from water intake 04-24-2016, 04:27 PM. Pulled that out and retested and everything was fine, so I filled it up. All dry. drained a little out bottom color Re: Leaking seam between lower unit to upper Re: Leaking seam between lower unit to upper Man, you are so close Sounds like the water tube has missed the water pump when the lower unit was re-installed. I drop my LU and set it on its side, more murky LU oil coming out of the water intake vents. Between the upper and lower sections is a O-ring for an oil passage between the halves that could be leaking. Maybe that's where the oil Suzuki DF140 Oil leak from lower intake grates. 1) The leak appears to be coming from the water intake holes in the lower portion of the outdrive. Does I would take the lower plug out on the lower unit and see if any water comes out or the fluid looks milky. The motor is and 89 or 90 100 hp. there is a seal in the upper unit of the drive that may be leaking, and two seals in the lower unit that may be leaking. That is gear oil leaking out of your drive. For the third time in a year, I have lower unit oil leaking from the water intake port. It could also be coming from water pump seals in lower Following a run on the water, my 1988 Mercruiser Alpha One 2. Needless to say, I felt gut-punched. After getting a hold of a used bravo 1 lower housing i changed the o ring in the water intake and installed. I am reasonably certain that something in the gear case on my out board has failed. I'm mechanically challenged, but my understanding is that the drain bolt for the lower unit oil is inside the water intake port. It seems to be coming from the main line feeding the upper unit. I feel like this isn't true but I wanted to check before I make a Lower unit gear oil leaking out water intake screens. I ran it for about 2 minutesno water coming from the tube. Just had lower unit water pump. Only gear oil leaking through the water intake holes on the lower unit. See attached picture. I noticed a couple of drops last year after I got it back but paid it little attention and assumed it was oil spilled when changing the motor oil. There is a seal and wiper around the vertical A couple of days ago, I changed the gear lube to the QuickSilver HP and filled the reservoir. 4 bbc and Bravo one drive. Been to dealer several times, also have a case file with brp. If oil can get out, it almost always means that water is getting in. I changed the oil in the outdrive then and there was some water in the oil but not horribly. But upon further inspection I noticed that there are two pre drilled holes that the fluid SN: 2B531199 Gents, I have a weird issue with my lower unit that keeps randomly popping back up. no telling how long it ran without oil but nonetheless it's gone. Probally around $200. The only difference with my issue is that the oil is leaking out the weep hole on the front starboard side of the bullet on the lower unit. $2600 for a 200 hpdi lower unit. I'd appreciate comments and information as to what this means. I have a Suzuki DF70 1999 4-stroke outboard that is leaking engine oil down the water inlet tube and out the water intake on the lower unit. Thought I would try my luck here. Today I removed the lower half of the gen 2 alpha. Boating Discussion. A good check is to see if there But there is a small drain tube which you can just see in the picture in #2, tucked in the corner by the water intake. Tell me a bit more about what's going on so the Marine Mechanic Re: Merc 3. Going out today changing and checking crank case oil. catacom225. After cleaning out the boat this morning, we noticed a little gear fluid leaking from two small holes on the right side of the lower unit. The only seal failure I can think of that would let water into the lower and possibly let gear oil out the water intakes would be the drive shaft seals under the water pump. I have a 2000 4-stroke 100 hp that is leaking a small amount of oil out of the water intake area. This small hole, located at the bottom Oil Leaking from Lower Unit Weep Hole: Causes, Solutions & Prevention Read More » When I picked it up yesterday I saw this oil leaking out of the water intake on the sterndrive on both sides. Fast forward a few weeks and I noticed that there is an oil spot under the foot and oil leaking out of the raw water intake in the foot. As for the oil leak. If you want to change the water pump impeller, you will be taking that lower off. Looking inside the propeller, I could see some wetness Re: Leaking? lower unit oil? That is the water intake for the water pump. Jun 17, 2012 Those weep holes are there specifically to drain residual water out of blind recesses in the unit. 3, alpha one GenII) saw gear oil (sick gray color) coming out drain hole top of lower unit right side couple inches fwd of rudder shaped zinc. It runs great and was wonder if it is something I should be concerned about. During running unburned oil and exhaust residue will also collect there and weep out later Ordered new impeller and seals and have the lower unit apart front the upper. I'm positive this is the first day the leak has been visible, as I have used the boat several days this week including yesterday. They recommended for me to Hello fellas, I have a 2009 Yamaha V-Max II 200 hp. Toyorider Member. I have oil leaking out of my water intake slots on the sides of my 1994 merc cruiser alpha stern drive lower unit. When it comes to outboard motors, the phrase “out of sight, out of mind” can often apply. Drained the lower unit (this lube has 20 hours on it max over 6 days total). I thought I tore a seal when I hit the bottom at a lak Have a Evinrude 30hp Model E30TELCED, 1989, that is leaking oil where the lower unit is attached to the shaft section; and, the lower unit oil is turning from a deep blue to a light blue color after running it on the lake. Are you wondering what went wrong because oil is leaking out from the lower unit of your boat? Well, just so you know, lots of other boat owners face this problem and it’s quite common. Sounds like you are talking about 2 different things. Okay if you have oil leaking out of the water intake vents then your lower unit's driveshaft seals are shot. The drip stops after a few days sitting on the trailer. If you are seeing gear oil on the ground outside the boat, some thing is probably up with the lower unit. any idea? Motor runs perfect except for the oil trail I leave behind. 00 + with new water pump kit, while the lower unit is off. Hey guys,Ive got a 135hp 1986 black max v6 merc. Back home from a few days (10 hours of run time max) and after a day of sitting in the driveway I noticed gear oil leaking from the small vent / hole just forward of the upper drain screw. If was leaking at the shaft seal or shift lever seal you'd have milky colored lube after a short 5 minute run. drained a little out bottom color Am i correct to assume when water leaks out of water intake screen its drive shaft seal and when oil leaks out of hub its the hub seals? Going to check lower unit for water in oil this morning. We trailer the boat and keep it in the garage and it does not leak when sitting in the garage (ie no oil on the floor). Seems oil comes out when sitting, water goes in when boating, but they dont mix :/ Weird. Something inside the bilge area leaking not the lower unit. It's a sports master lower unit, the oil is leaking out of the water intake on the bottom. I did one on an outboard that I had just picked up and hadn't had in the water. You nedd to pull the drive apart and check the oil seals. I finally found the oil was seeping through the very bottom of the aluminum intake plenum where it bolts to the intake manifold. I rigged up my pressure tester, but in doing that I noticed the o ring for oil passage from upper to lower half was obviously flattened and brittle. to/2szc0PDI am participant in the Amazon Se Today when I walked by it I saw it was leaking what smelled like 80w90 out of the water intake holes. He swore that the oil was coming I noticed a small oil slick behind my boat last weekend when I put it in the water, from up on the lift. There was NO face seal present so what would be the cause and or result from this? (see pic one as this is how it came out)! I have some small amounts of drive oil coming from the port intake holes . Regardless, looks like it will have to get checked out sooner rather than later. What is causing this?What do I need to do to fix problem? I have a 1992 libby 221 that has a omc king cobra outdrive with a jasper remanufactured lower unit. But there was oil on the water intake slots on the lower unit. Gas and diesel marine mechanic. Re: Stern drive oil coming out of reservoir Any hydraulic oil will expand with heat the more heat you add the more it expands, it could be running hotter causing it to expand. Mercruiser Alpha I Gen II drive leaking gear oil between housings. Its annoying to say the least. Re: Tohatsu lower unit oil leak First a little netiquette You are replying to a 2-1/2 year old post about a different model motor. chrisplumber I have a 1980 Johnson 115 yesterday I noticed oil dripping out of a small hole just above the lower unit water usually comes out of this hole when I have the muffs on and engine running in my driveway where is this oil coming My name is***** will be assisting you. US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience. so far so good. (where i connect the ears when I clean the boat). I have gear oil leaking out of the water intakes on the side of the gear case. If you have any experience with this issue I would appreciate your input. Also leaking water from the front right bolt where the lower unit meets the motor leg when the motor is raised. intakes. rodttu02 Cadet. 11,383 Satisfied Customers. Every so often I will have a little bit of lower unit oil leak out of the nosecone when the engine is tilted up. Thanks 1989 Sea Ray with 7. The oil that comes out as you drain the lower unit can tell you a lot about what's going on inside the gearcase. Came home today and saw oil on the floor. Marine gear oil has anti-foaming agents, extreme pressure additives and emulsifiers to help prevent oil breakdown in case of water intrusion. Usually the main reason this happens is the wrong weight oil is installed or a cheap automotive gear oil was used in the unit. Would it be a good idea to change out the water pump with Sierra 18-3382? Do I need to do a pressure test first on the lower unit? Pulled the boat out of the lake and back to the house. Customer: mercury alpha I stern drive gear oil leaks through water intake vents and two vent holes near top of lower unit. Boating Forums. Thread starter swaldrop; Start date Jan 30, 2011; S. as to the pressure test. Note that the lower unit was drained, had some water in it plus some of the dirtiest gear oil, but it was changed with Had to pull the boat out a week ago due to bad weather. 11,383 Satisfied SN: 2B531199 Gents, I have a weird issue with my lower unit that keeps randomly popping back up. An oil leak from the motor or an oil leak from the lower unit Started water pump project and saw foamy oil leaking from behind prop. I would not think this is normal so I called BRP today. I had the lower unit replaced last year and was thinking maybe they nicked the driveshaft seal. Then I noticed the new earmuffs I purchased were sliding back and off of the One day last fall I noticed there was some oil on the transom which appeared to be leaking from the cowling of the motor. :eek: Last nigh got down to 28, just enough for the water to freeze in the dogs water bowl. Aside from visible damage and gear oil leaks, other signs of lower unit damage include crunching or grinding noises, and a bent or broken propeller. It may just be unburnt fuel and oil dripping out of the exhaust. Nov 9, 2012 356 7 Just took the boat out this past weekend and after cleaning notice that there was a small amount of oil coming out of the lower unit water intake pickup The smell is hydrogen sulfide a by-product of oil breakdown. If you get black, black gunk comming out of the lower unit at the prop, that's exhaust carbon mixed with fuel. Its not a real dark oil, its definitely engine oil. 2000 yamaha 200 hpdi motor leaking engine oil out of the lower unit weep hole, checked under cowling did not see any oil leaks, checked and replaced lower unit oil, no water in the oil, any suggestion, I had this same issue and what I found it was is a small oil line at the back/bottom of the intake silencer (big black plastic cover for the Completely different system. 43. I saw a video that said I need to drain the motor oil to put the lower unit or the oil would dump out. Got the old water pump apart. Pressure test afterwards, seals all hold but hear air moving when ear is up to water Lower unit leaking 04-17-2021, 05:24 PM. Its definitely a noticeable leak because I have to keep a rag around the housing on the bottom where the lower unit meet the upper half. New YamaLube Gear Oil is in it now. The hole in the lower unit is ther so that water drains out of the drive. But I do not understand how it would cause to leak into the impeller housing, down and out the water intake. 42 years experience, Certified Master Technician, All I've got an issue that has stumped a few suzuki dealers. I filled the lower unit with oil until it came out through the galley passage between the lower and upper unit (where the 2002 200hp ox66 lower unit leaking 05-29-2013, 12:33 PM. The last time it happened 3 months ago, my mechanic just tightened it more. to/2sFeZpGTap sockets: http://amzn. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. General Q & A - Bravo 1 lower unit leaking oil? - Oil is dripping out of lower unit it is coming out of 1 of the three holes on the side. Its leaking out of the lower water intake hole, which seems like odd spot to leak lower unit fluid. How were you adjusting the trim to cause the 1-1 1/2 cups of oil water mix to leak out of a bolt hole with the bolt still in it? I'd be concerned if I did some unexplainable something. It would be pretty hard for oil from a shift shaft seal leak to get inside the water pump housing because of the slinger seal on the drive shaft and the gaskets on the water pump base. I have the water intake hose removed at the thermostat and crank the engine to see if water is propelled up the hose. Evinrude Puller: http://amzn. I just noticed that the reservoir is empty and I see gear lube leaking from the portside small hole (the small hole on top of the water intakeright under the rear port side bolt that holds the lower unit). If it is coming out the water intake, it is probably one of the seals under the water pump. No water is coming out of the hose, as I would assume there should be. The oil is clear Lower unit oil leak. Being new to outboards I was a bit concerned and Re: 150 hp, lower Unit Leaking gear oil out vent hole On both engines mentioned above, the vent holes are there to drain any trapped water. looking at the scematic it looks like it might have some function with the shift cam housed inside the lower unit. Merc or sierra have a lower unit seal kit the will take care of the lower unit. Tell me a bit more about what's going on so the Marine Mechanic can help you best. This morning, I noticed a drop of oil hanging from the trim tab, and upon inspection, there was an oil slick on the top of the lower unit all the way astern (on the top of the cavitation plate?), as well as on the sides, forward from the water intake, and there were drops of oil pooling on the bolts securing the lower unit. that raised a flag for me! I'm gonna start pulling the prop every 3-4 trips now just to check. <br /><br />If it's clear, I would be pulling the drain plug and see what's in the gear case. Last year when I pulled the boat out of the marina, I noticed 1/4" size bubbles rising up into the drive oil reservoir. R. I knew I had an issue. I know some of these era Today I walked out to find oil under my lower unit. 2014 A couple of days ago, I changed the gear lube to the QuickSilver HP and filled the reservoir. the hole is there to allow sea water to drain out, so it doesn't stay inside and corrode/freeze. is that normal? Answered by Jason in 12 mins 12 years ago Lower unit gear oil leaks out water intake screens and i get water. So, assuming that you depressurized the lower unit, let the lower unit drain, and refill it properly with no further sign of oil out the water intake, you should just plug up the lower unit after the oil is at the correct level. The motor was about out of oil. They added 4 quarts So they watched it closely and the level continued to creep down the dipstick. 2023 20 hp 4 stroke. I just installed a new SEI bravo lower unit. ya empty the gear lub out of the drive via the drain hole in the lower unit. It is leaking out of what I believe is the gear shift shaft seal, and down the gear shift shaft. When you take it out of the water try to drain a little out of the fill hole near the bottom of the lower unit water is heavier than oil and will come out first. It is not milky and is the greenish color of Was heading out to work and noticed that there was a decent amount of oil or gear lube that has leaked from my lower unit in the driveway. a friend just recently lost a lower unit due to mono destroying the oil seal on the prop shaft. It is also possible for the waterpump base to have a failed seal on the driveshaft. How to - Inspect Common Issues Causing Water Intrusion in Lower Unit with Randy Carter! If there is still evidence of leaking, remove the lower unit and pressure test it. It runs great and was wonder if it is I dropped the lower unit and disassembled the water pump so I could see the main oil seals around the drive shaft. Leave the slotted screw in the photo alone. check the lower unit oil and see if it has any water in it. It is leaking. This boat did sit in salt water Just picked up a used 14' with a 78 15hp Johnson manual start that actually runs better than expected (seller said "it starts but won't stay running "), but has a few issues including gear oil seeping out the raw water intake. its engine troubleshooting 101 You need a new lower unit as that one has frozen and cracked or An outboard’s lower unit can sustain damage from hitting underwater obstacles, not being tilted up before going down a boat ramp, or from a boat running aground. hooked up to muffs ran it for awhile, seemed to run fine no more oil coming from intake. to/2szc0PDI am participant in the Amazon Se Re: 150 hp, lower Unit Leaking gear oil out vent hole On both engines mentioned above, the vent holes are there to drain any trapped water. I have injected water both ways through this hose from the engine side and the lower unit side. You most likely have a bad seal in the lower unit. Gonna have to drop the lower unit again and realign the water tube to the top of the water pump. Charles. You need to have the drive drained, and pressure/vacuum tested, the leaks sealed, if there is water in the drive oil, that mess will need to be cleaned out of the drive as well. But if it is a lot of water in the oil you can loose the lower unit. Then I noticed gear oil leaking off the lower skeg. That's a water drain hole. Mechanic's Assistant chat. The leak is from a very small hole, appears to Got a 15 Enduro, found water in the lower unit after last season, pressure tested and found bad oil seals. I ran the boat aground and got stuck and had to push the boat to get back to the landing. he drained the oil, which looked slightly milky right away but I have a 150 ETEC that I purchased with my 2230 Bay Stealth boat in Feb, 2008. Thread starter Toyorider; Start date Feb 25, 2013; Toggle sidebar. What model drive? I just went through the same problem on my Alpha 1 (Gen II), had to pull the drive off and tear down the upper unit to While I was trying to put the lower unit back on I notice gear oil leaking from the water intake holes????? Can someone explain how I am getting gear oil in that part of the I have oil leaking out of my water intake slots on the sides of my 1994 merc cruiser alpha stern drive lower unit. Re: 85hp Chrysler Lower Unit Oil Leaking from weep holes? I got the new shaft seal and I got it almost seated, but once it got flush with the rim I cant seem to find good area to tap it with the hammer to drive it the rest of the way down, it still has 1/8 of an inch or a little more to go until it seats as it sits below flush. It's shown on the parts diagrams along with the plug for the exhaust outlet. Here is my question: I’m losing gear oil rather quickly but the oil leak is plainly evident. Should I yank the Lower now for a seal replacement? Or can I wait another 50+ hours? I commercial fish so I want to limit interruption to That’s the first place to look. In both cases, with oil being visible during running or after shutdown, it is likely that the shift shaft seals are leaking while the engine is running and this leaking oil flows into the same cavity where the drain hole is. <br /><br />In either case, draining the gear case would be a good idea just to set the mind at ease. If you have zero oil in the bilge and zero oil on the ground, it’s probably a driveshaft seal and will leak gear oil into the bellows boot and you won’t see it at all. There is oil leaking out of a small hole in the side of the lower unit just in front of the water intake. You can get the seals at Bassetts near the N. Lower unit gear oil leaks out water intake screens and i get water. It is brand new and has never run. Coming out the water intakes on the side of the lower it I recently noticed oil leaking from my water intake grille area and don't know what I need to do to fix the problem. I ve been looking up all kinds of info on my 25 hp Johnson outboard lower unit seals. backbaychal Member. The area of your circle is located near the upper and lower sections of you outdrive aka drive, leg, or in some cases unprintable names. 5L restoration has a slight drip of gear oil coming out of the lower unit water drain hole. On gear lube issues, in most cases on gear lube leaks, oil will leak out of the lower unit and water will leak in. end bridge. I recently purchased a water pump kit, because I know it is long A user asks for help with oil leaking from the water intake of his 2007 2575 RL I/O with Mercruiser 5. What i was going to say. See if it smells like gasoline - if it does, it's just unburnt oil, and that is normal with a 2-stroke engine. I discovered a slow but steady oil leak from my Alpha One Gen two outdrive after starting it up for the first time this season. Oct 3, 2021 #2 for some reason, my motor is leaking oil around the lower unit housing. 0, Alpha One lower unit oil leak Ok, took the lower unit back off today and tightened the bolts on the water pump just a little more, then started filling the lower unit with oil to see if I could find the leak. Was enough of a leak to puddle on transom saver and then on the ground a bit. . Initially thought it was 2 stroke oil, but upon further inspection it is gear oil and it appears to be coming out of like a weep hole in the top of the lower unit. Almost like there is a tube that is off or something. Not much left on stick checking from top. Maybe I will drain a bit of oil to see if any water comes out or if it is milky before any use. That is leaking from the raw water intake to feed the impeller. Pressure testing the lower unit first at 10 PSI with my Mityvac Drop drive next day pull sample from bottom plug ,look for water in oil at the bottom (good clue ) Pressure test to 10 , run it if not leaking (now your testing that seal pack ) usually that leak is lower seal upper case shift seal sometimes comes up from under pump and seeps from the weeps when drives up but not the intake holes . If your going to replace your impeller so easy to I just noticed a little oil coming out of my lower unit water intake on my 89 40hp Suzuki oil injected crab boat. Senior Member. At first I thought that the lower unit had cracked. Its not leaking much, but appears to be picking up steam. It is on the starboard side of engine and it is not shown on photos in the seloc manual ? I have a 2017 300xs s#. Milky lower unit oil means you have water in the oil, which means you've lost a seal somewhere. If it's just a little bit of water that will be fine. Any ideas? Nope, the seals you need dont come with the impeller kit. to/2shckifRetaining/Lock Ring Pliers: http://amzn. the lower unit is fairly easy to remove, if you are a do it yourselfer, change the water pump The seals on the lower unit are one way seals and are designed to keep water out of the lower unit, not necessarily to keep oil from coming out the other way. Drain and catch what you can from the lower unit, look for water. no oil should ever be able to leave the lower unit in any situation, the top cover that seals in the lower unit oil for the lower unit is where you install the impellar. 04-24-2016, 10:06 PM. No milky lube, no leaks. If you bucket flushed, you'd end up with a visible ring around y'er lower unit from the fuel/oil/carbon mix floating on 115 lower unit oil leak. The main shaft seal in the lower is in the bottom of the of the pump housing. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. Oil leaking from there could be a seal at the impeller. Understanding these causes is Evinrude Puller: http://amzn. But it could have easily moved while dropping it. Here is my question: More than likely this is a stub shaft oring leak. while we are on the topic of oil leaks. 5 quarts of lower unit oil just keeping it topped off. The lower unit needs to come off the engine, the water pump seals and area need to be checked so have your pump changed/replaced. I’m just Am i correct to assume when water leaks out of water intake screen its drive shaft seal and when oil leaks out of hub its the hub seals? Going to check lower unit for water in oil this morning. If oil is leaking out then water is leaking in. 3 lx alpha one outdrive its leaking oil from the two small holes on the lower unit i have already changed - Answered by a verified Marine Mechanic. I raised it, let the water dry and inspected everything, assuming trim fluid from a trim cylinder connection. Re: Gear Oil coming out of weep hole in lower unit i was just dealing with the same problem after a new impeler install, i replaced both top and bottom water pump halves then replaced the shift shaft bushing. Am thinking any water would likely settle to the bottom? The oil out of the ports up top is for sure lower unit oil and looks like when it went in. Was about to replace my impeller (and have the impeller kit with the 1 piece gasket) and assume there are some other seals that need to be replaced when I take the lower unit off that would fix this problem. Shift Shaft Seal/Bushing 90 HP EFI MercuryWater leaking into Lower Unit Gear Case of 2010 90hp EFI Mercury. and it was leaking air! Found out there was a little piece of fishing line stuck under one of the seals. The first place to look is the output seals, which are found behind the propeller. Marine Mechanic: Jason. Re: Force 50 hp Lower Unit Leaking Oil & Water from Bolts Murky description. After returning from a trip and cleaning the boat, I noticed some oil draining from a hole near the water inlet on the bottom of the engine. Pulled the muffs off today and noticed what smells like gear oil coming out of the starboard water intake and running down to the skeg. I was told that on start that the oil pump primes 3cc of oil Throughout the season, I noticed the lower unit oil reservoir would need topped off. The second is the shaft seal where the lower unit shaft enters the upper unit. 1E053228 that has oil leaking out of the lower unit. Last summer I noticed a small amount of what I assume was gear oil leaking form the top speedometer hole in my lower unit, the one that the tube attaches to to go back to the speedometer as opposed to the intake. Just recently I noticed a slight weeping oil leak in my lower unit out of one of the two 4-5 mil holes that are situated upwards and towards the bow of the boat in relation to the water intake. I have a 4. I know there’s some seal and it could be leaking into the bellows but there is a hole above the water intake on the lower unit that some oil is coming out of. I looked and looked and couldn't find any leaks around the oil pump or lines. 0L Alpha engine. Many boat owners pay little attention to the lower unit of their outboard motor until there’s a problem – and one such problem is an oil leak from the weep hole. Late last fall I pulled the sterndrive unit and replaced the water pump as preventative maintenance. To get the lower unit resealed is roughly a $500 job parts and labor. You have to change that oil and find out were it is leaking, If the problem is not address the water will ruin the lower unit gears, (drain the oil/water mix and put fresh oil back in). Just added some oil to my 98 df70 and noticed it leaking out of the water intake at the bottom of the foot. So, assuming that you depressurized the lower unit, let the lower unit drain, and refill it properly with no further sign of oil out the water intake, you should just plug up the lower There was no water leaks or oil leaks when I pulled the outdrive off from the bellhousing. Jason. Re: lower unit gear oil leak! 90 Evinrude First thing is to make sure it's gear oil. So today I reinstalled the outdrive and lower unit and filled lower unit with gear lube until it was coming out the vent hole. You might have a flooding problem but it's not water and not in the lower unit. Lower unit gear oil leaking out water intake screens. That drain hole goes up to the base of the water pump, and allows water to drain out of the pump housing. If it's black and gooey looking, it's probably exhaust oil leeching down from the exhaust housing. Joined Mar 26, 2012 Messages 17. Any ideas would be appreciated. The other area were it could The problems I have found are as follows. After pressurizing the gear case and brushing the seals with soapy water, I could see that the oil seals "The oil seal on the vertical shaft is bad. 5 gamefisher leaking lower unit oil??? The upper seal of your lower unit is gone. Hoping that it is not the seals in the upper unit, where the shaft splines enter the upper unit. The only question I would also ask is, have you done any service work on the drive recently? F300 (manufactured in Dec. Flushed it on the muffs and left them on for a few days. Just pulled boat out, (4. Thanks It is a drain hole to drain water out of the midsection, no exhaust comes out of this hose,to keep from freezing, you have a seal leaking on the top end, a drive shaft or shift rod seal. Seems like it may be around the bottom of the upper unit. Wouldn't this o ring, if bad, allow oil past water pump housing then out water inlet ? Anyway, tested lower half with 10 psi. I have a 2015 Evinrude 135HO, my problem is oil leak coming thru throttle bodies then leaking from air box to lower cowl then into water and splashwell. swaldrop New member. Oil from that hole could come from the lower seals in the drive shaft housing, the shift shaft seal in the gear housing, the seals in the water pump base in the gear housing, or a leaking seal between the housings. If oil is coming out of there then it may be fuel mixture If that is indeed what it is then you may have a leaking exhaust gasket or the adapter plate is cracked or corroded. Temps were in the teens at night after fishing, I trimmed the motor down at the ramp and let it drain all of the water out. 7L ALPHA DRV: 0F693018 5010162JS MERCRUISER ALPHA 1. I had just changed my LU oil and only have 30 min of run time in. 62:1 TRN: 0F650239 6010000JS MERCRUISER ALPHA TRANSOM Appears to be coming out of the water intake vents on my lower unit (pic attached). Also if the lower base plate of the water pump is broken oil will also leak from there. Being new to outboards I was a bit concerned and I have a 2000 90hp Johnson that has just started leaking gear oil out of the small hole at the very front of the lower unit. If you have done a water pump job you are right there just need to lift the pump housing off and change the oil lip seal. Customer: i have a '99 150 hp Johnson outboard. It requires the power head be raised to repair and has a flat rate of 6 hrs. That aside You are seeing fluid coming out of a drain hole. There was also some on the inside of that muff. season. Thread starter chrisplumber; Start date Jul 22, 2006; C. 2 KB · Views: 0 Thanks for the help. Also when draining the gear oil to the only location where gear oil is on the incoming stream is the lower seal on the raw water pump. remove the vent screw in the upper unit of the drive and the lub flows out. Reply. It sat overnight and I noticed that it has a slow leak of lower unit fluid. 2021) with 275 hours. Multiple parts have to be taken off like the upper and lower intake manifolds, to reach the oil cooler/oil filter housing. Up to 40% of the fuel oil mix is blown out unburnt, at idle rpms. Is the lube coming out the water intake? Discover more answers. Only the lower was replaced due to no thrust washer placed by the previous owner and it ate away at the housing. I have a oil leak coming from a hole on the lower unit on the left side in front of the forward l/u mounting bolt. Only indication of a problem was lower unit leaking fluid out of water intake vents. Appx 70 hours on engine and now running on xd100 oil setting and that helped but still leaking. So i did a tune up the next day and noticed the lower unit was leaking oil out of the water intake. This unburnt fuel/oil mixed with carbon from the burnt fuel deposits in the mid section exhaust housing, then trickles out after you've turned off the outboard. Doesn't look like a lot, but any seems like cause for concern. There is no blockage and the hose is not clogged. Lower unit Mercruiser Out drive is leaking gear oil out the. Disassembled as far as I could, cleaned up surfaces and put in new seals new impeller etc. Since I was going to change the lower unit fluid anyway and had it empty, I pumped it up. B. Re: Water in Lower unit Best way to Flush out It sounds like you are still getting water in. If fluid is comming out that lower small drain hole on the starboard side, then I would say it's the seals in the lower unit, Not the upper unit. When you take the boat out of the If this seal is broken, then lower unit drive oil will leak out of that lower unit weep hole. Oct 3, 2021 #2 Re: 7. It I am having trouble with lower I am having trouble with lower unit leaking I am missing the white plastic piece in the water intake and now am losing oil. JUST CHANGED MY LOWER UNIT OIL AND NOW IT IS LEAKING OUT THE Oil leaking out of lower unit on 1978 evinrude 70 hp do I need to replace lower seal kit and if so how to replace. Jeff G. No lube, no leaks. Jan 30, 2011 If the lube is coming out the exhaust, it is probably the o ring. But when the unit is out of the water, oil drips out of the speedometer water intake port. The quad ring can't leak oil out of the water intakes. then ya look at the link i put ya onto and go about building yourself a pressure tester. No amount of oil changing will fix it, you need a new seal. By chatting and providing personal info, you Leaking oil out hole in lower unit when upright. Post Cancel. This was my first thought and it was out of place when I dropped the lower again. I have an 07 etec 150 model number e150dslsuf. Posts: 163; Share Tweet #2. I pull the drain and get a oz of water and murky oil. Customer: lower unit gear oil leaking out water intake screens Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. You might want to get that fix first, Before making the decision to rebuild to waterpump, I decided to give it another try. 1) water leaking into the bilge while sitting. Other users suggest replacing the lower unit seals and water pump, and share their experiences I just noticed a little oil coming out of my lower unit water intake on my 89 40hp Suzuki oil injected crab boat. Probably better to create a new thread. Oil leakage from the lower unit weep hole can have several potential causes that require identification for appropriate resolution. The only special oil leak at the water intake 03-27-2007, 09:11 PM 09:11 PM. several different ones to copy in the link. jpg. my lower unit oil is leaking out the bottom of mylower unit. Any ideas would be great. I pulled the lower unit to look for a leak and I could see no evidence of where it is coming from. if oil comes out of the water intake holes then it must be comming from the lower unit, possably from a bad sealing o-ring gasket, a crack, or a corrosion hole somewhere. Degree in Marine Technology. Hello Rob here. 2) gear oil leaking. Hello all! I went out boating and wouldn't you know i was out to long and got caught in low tide. The gear lube can be leaking or disappearing from several sources. Oil leaking from weep hole near lower unit. It has only leaked a few drops in the last 24 hours, but enough to be concerned. I took it to the local dealer and he said it was impossible for oil to come out there. We drained the oil and it was clean not milky at all. I've taken it in to the shop to have looked at when I first noticed it. I have ~15 hours on it boating in primarily saltwater in Louisiana. Bravo 3 I have a 90 hp two stroke OptiMaxx and have gear oil coming out of the water intake. It doesn't happen every time I use it which is the random part. then ya pump up the drive to 15psi Folks i need some help figuring out an oil leak on a bravo 1 drive that was recently replaced. Not sure how widespread this problem will be, but the orings get hard and flatten out letting oil leak out of the lower unit when trimmed down from the About 10 minutes later (after coming back out of the garage with the port outboard lower unit), I noticed a lot of oil leaking out of the starboard engine. Yes, I repleaced the "O" and pretty sure that it went back together fine. ENG: 0F760044 457B100JS MERCRUISER 5. Yesterday, I changed the gear oil after 88 hours and observed a bit of water in the outgoing fluid. I went outside and checked it today and saw gear oil was leaking out the water intake on the lower unit. Attachments. With the upper and lower intake manifolds off, the intake valves are exposed. The leak was found through the small seep holes on both port and starboard sides, as well as trace amounts out of the water intake holes. I got home from the weekend on my boat and he called me over. This very well could be the issue and would obviously cause a leak if out of place. I plan to fill the bilge with water and look for water leaking out, if that will work. and I noticed gear lube was leaking out of the water intake vents and small hole in front of foot. What could be causing this leak. znfthdz qpe uonpnx qnzfzkzwq whz bmpw jnjsa ous mmqrc pubxzu