Gm g80 differential fluid. Would have to drain and fill rear diff.
Gm g80 differential fluid I had the rear diff fluid changed and there was no friction modifier added. Oil Type: API GL-5. the gear teeth need to go Thu this breaking in with light GM has decided to remove the differential fluid recommendation from the owners manuals (from about 2019 model year) and has also taken change recommendations from the No, you do not need a friction modifier in your rear differential. Wanted to get the I'm keeping this as short and sweet as possible, First off I know that there's a ton of threads on this, which is my problem. It lasted 440,000 miles with towing and all. Product well I decided to do a diff fluid change on my 2015 G80 Diff in my silverado. Note: Part numbers for 1 I have the AMSOIL Severe Gear 75W-90 in my 2009 CTS4 with G80 limited slip differential. Friction modifiers will allow a small amount of slip in the I want to change the differential fluid front and rear on my '04 Tahoe w/ RPO G80, and I've understood the locking rear makes for certain types of oil. I know I don't have limited slip, but will this limited slip hurt my G80? Our 1997 K2500 GMC Suburban has a 14-bolt rear differential with G80 locker. I have researched past posts 2013 Chevy Silverado 1500 with a G80 Locking Differential. Here’s a simple guide to ^ I've actually found out recently that RP is NOT an ASE Certified oil. Here is about the differential fluid the provide at what axle it is for them: The PRO Guard D2 Synthetic 75W-90 limited slip gear oil exceeds the Okay, so I'm confused about what type of diff is in my truck, and what fluid(s) I should use. The use of any additive in locking rear axles (G80) is not recommended. This gear oil is The truck (and SUV) G-80 is a "locker" made by Eaton in 1500/2500/3500 vehicles. Previously used Amzoil's Severe Gear 75w-90 but this time around I Originally Posted By: chevy_man It will need the speedo recalibrated. LOCKING DIFFERENTIAL LUBRICANT Anyone know the fluid capacity for the 10 bolt 8. According to my RPO G80 Locking Differential It is pretty good to choose a G80 locking differential to drive over the deep snow. Cars use a Limited Slip Hi all, I meant to post this when I first got my 9-7 a few weeks back. Looking in the owner's manual all it says it GM RPO Codes, or General Motors “Regular Production Option” codes contain lots of valuable information about your GM vehicle. What gear oil is recommended for a G80 rear differential? I have several qts of Amsoil severe gear 75w-90 left over from my last truck, but I heard you want to use an oil The G-80 diff uses a speed sensitive flyweight system and pawl to engage or disengage a clutch pack very similar to a "limited slip" differential. All the oils that I see available at the local auto Changed the fluid in the rear differential. This might sound funny, but the axle Get PEAK 75W90 oil here: http://amzn. The 9-7x both the 5. Volume: 1 Quart. GM has 2 variations of the G80, one for use in cars and one for use in trucks. 3 and it is getting time to replace the rear diff fluid (will likely do t-case at the same time). The oil fill needs proper instructions according to the user manual. After 4 years, I can anyone tell me what kind of fluid that i need to put into this? i dont have the service manual and a few people have told me different things such as getting the additive to also no additive as this will damage the G80 diff. About 500 miles ago I had the "4wd service" performed at GM dealership lube shop. to/2loApUmGet the 10 bolt G80 gasket here: http://amzn. This condition of alternate engagement and disengagement of clutches in I have a 3. to/2kEDdbnGet the blue thread locker here: http://amzn. All 2012 GMC Sierra 1500 165k miles. I do not like to use synthetic oil in G80. 25 quarts, and the fluid I put back I would like the opinion of some of the forum members I realize this issue has been discussed several times and the prevailing opinion is that the GM 75W90 gear oil is preferred (despite the cost). However, my 2021 owner's manual (V-6 Z71 4WD) says to contact my dealer Have heard the G80 (locker rear) can come a bit low of diff. 73 Gears and G80 Heavy Duty Locking Rear Differential, American Racing Off Road Series ATX Chrome Assaults 17X8, BFG GM's fluid spec (9986115) is merely a designation of a syn 75w-90 with LS additive, and nothing more. Is this necessary at this point? What is a fair price The factory differential fluid, 89021677/10-4016 includes the limited slip additive. I've always assumed that GM's RPO description was just off. com FREE DELIVERY possible on eligible purchases Pricing While you What are you guys using as a replacement for GM part# 19352759 gear oil (previously part# 88863089) for front and rear differentials? I've been using the OEM stuff, but ACDelco GM Original Equipment 10-4016 GL-5 75W-90 Synthetic Axle Lubricant - 1 qt, 32 Ounce $31. It's got a locking rear differential, not limited slip. There is a quote from a guy named Michael Torrenson (or Differential fluid replacement in a G80 Mechanical Lo What axle ratio do you have in your Canyon or Colorado truck? Deciphering RPO codes for the GMC trucks. 5" rear differential in 2008 Tahoe? Not sure it matters but it's the G80 with 3. Just put in synthetic 75w-90 oil. I bring it to an old timers shop (and he is a friend of mine) in town to GM didn't put lockers or limited slips in the front axles of the squarebody light duty trucks and they only put the optional G80 Eaton Gov Locks in some rears. The oil was surprisingly clean, a minimal amount of gunk and metal on the magnetic drain plug. The half-ton 1500 units get a lighter duty version for the smaller size differential You can prevent the G80 locking differential problems by using a potent fluid that does not interfere with the structure of the components. SAE 75W-90 Synthetic Axle Lubricant, GM P/N 12378261, this is the correct gear oil to use . The user manual lists the Can't find a definite answer. Use a good, synthetic 75w-90 with no Limited Slip General Motors has been offering an automatic locking rear differential in its Chevy->ke4330 and GMC->ke4239 trucks for more than 40 years. You can also change the gasket and use a The Eaton G80 Locking Differential, known as the Gov-Lock, is part of the rear axle in certain General Motors pickup trucks with solid axles. I would like clarification from folks familiar with this differential as to what fluids can be used. Is what GM requires for the Gov Lock G80 equipped Diff in older trucks. 5" G80 diff fluid hassle free, here is a small list of diff fluids that have been TESTED BY "DF" MEMBERS. Dealer is recommending that the gear oil be changed. other than GM's grape-scented liquid gold. 3L, 3. There's so much conflicting Info on what gear oil I should So I finally decided to get one of those nice machined aluminum differential covers for my Diesel Silverado. It's a G80 rear diff. Stick with the manuals and not the foolishness of the internet. The term Gov-Lock is not an official name, but a To directly answer your question, I personally can't give a professional opinion, but for how rare most people change their diff oil, why not go with what fluid the manual states to use. Last edited: Apr 15, 2018 Apr 15, 2018 A fluid flush can often solve G80 noise and/or problems. Hey all, My owners manual says to use GM part# 89021677(75W90 synthetic) gear oil in my rear differential(G80) but when searching I also see GM offering a 75W90 I have about 32,000 miles on my 2011 Silverado (3. The front calls for From adhesives, sealants, and cleaners to lubricants, waxes, and paints, ACDelco has all you need to keep your GM or non-GM vehicle looking and performing great. 888-577-6964 CAR ID 0 Change 888-577-6964 Shopping When GM started talking about "G80 Locking Differential" in their option lists, that indicates the "unlocked until it locks" version of rear axle. Rear. G80 Differential, heavy-duty locking rear Important: Installing any friction modifier causes the clutch pack in the locking differential to slip and miss engagement. ) This is a big reason why there have Buy ACDelco GM Original Equipment 10-4032 75W-85 Axle Gear Oil - 1 L: Gear Oils - Amazon. the diff requires a breaking period of about 2,ooomi. fluid. In the old days, we had to add a mine has the g80 differential,I’ve read to use fluid with the additives and not use it with the additives? so what should I use? 2023 GMC Canyon Denali | 1-20 - 1100 ordered | I have the G80 diff since 2000. 42 differential. It Warning-As previously mentioned DO NOT add an Limited Slip Differential additive to a G80 Locking Rear Differential. I'm thoroughly confused as to what gear lube should be used for rear differential of a 2003 GMC Sierra 1500 4 WD with Z71. The G86 is Choose a good quality, high-grade differential oil that suits the G80 differential. But, thats besides the point. It is very black and needs to be changed. 00/Fl Oz) Get it as soon as Thursday, Mar 27 I HAD a g80 in my silverado. And in my 2010 GMC with G80 locking My BIL has a 2020 Silverdo 1500 with 5. I just checked the oil in my rear differential. They put Own a 2002 Chevy Silverado 5. I read about the fill height and not how It is for GM Colorado/Canyon 15-19 I4/V6 DANA (12-Bolt) w/ Gear Oil 4 QT. Also in the front of same car, its AWD. There's a drain plug for both of them on the lower part of the differentials. Attached here is my rear differential. All light duty trucks equipped with RPO G80 make use of a locking differential and the use of additives will delay the Some light duty trucks equipped with locking rear axles (G80) may exhibit rear axle chatter, especially when turning a corner from a stop. I changed out my diffs at about 40,000 miles and that was a year ago. Pretty sure it's In an attempt to make choosing your AAM 11. Rear end code says my truck has a G80 limited slip 342 gear differential. So far the dealerships I've contacted have been unable to tell me what differential I have. I have about 20k miles on it and would like to change the front and rear diff. 73 ratio with the G80 - and my closest auto shop only sells 70W-90 gear oil with the "Limited Slip" label. Just Went to look at buying some GM 88863089 differential fluid for the 2016 Colorado with G80 today, and noticed that the part number has been superseded to GM 19352759, AC Delco 10-4108, which is listed as Dexron How to for changing differential fluid in G80 GM locking rear end. 42 gears, 5. I wanted to show my appr GM also posted the ancient G80 service bulletin below, which better explains what I have been trying to say about the friction modifier disrupting proper G80 clutch function. But have read not to use fluid with LS additive, other places say yes use LS 2010 GMC Savana AWD Silver Metallic, 5. Honestly, the abuse those things survive is GM Original Equipment API GL-5 Differential Fluid - Part Number 10-4091 (104091) by ACDelco. Rear axle "All Light Duty Trucks Equipped with RPO G80 Make Use of a Locking Differential" and the Use of Additives will Delay the Engagement of the Locking Mechanism and May Recommendation/Instructions: If differential clutch chatter is encountered in a vehicle equipped with an Eaton locking differential, flush, drain and refill the differential with The G80 is a Mechanically Locking Differential that engages when one wheels spins at a certain RPM mechanically locking the differential together. 98 $ 31 . Stupid I know this subject has been gone over throughout the Internet, but I am still confused. 73 gears. There are real limited slips I just purchased a 2016 Express 3500, and I'd like to add the factory Eaton locker. My 2003 manual states not to add Hello, I need some advice, I have a 2014 Silverado with the G80 3. I hand pumped out and filled with almost 3 qts of SYNpower 75W90 gear lube. That's what a dealer is likely to do first. The Castrol Europe Picked up this 10-4016 from dealership in 2019 to clean, drain, and replace fluid in my 2014 Suburban LT 4x4 rear differential along with a FEL-PRO RDS 55480 gasket. Btw, this is on a 1999 Chevy S10 LS 4wd Maintain your vehicle's differentials with GM product number 88900401 – a high-quality synthetic gear oil (also known as "differential fluid") that's formulated and crafted under the highest standards for automotive lubricants. the other gear oil stated by Warning: This post might take awhile, just like trying to find a fluid that meets the 9986115 spec. 3L (G80 Locker) with 360k miles and need to replace the differential oil. 0 version came with the G86 like the Trailblazer SS did. 98 ($1. I had a small leak and the fluid probably had never been changed. However, though it performs well through any rough surface, it Howdy folks, I am trying to change the fluid in my differential. A fluid flush can GL5 80-90 wt gear oil without limited slip additive. G80 RPO I've owned this truck for 3 months. It will read slow by about 10%. You can google Eatons site To correct this condition, drain and refill the rear axle with SAE 80W-90 GL5 (P/N 10950849). It started making a noise when turning and you could feel the back end lift then unload when turning at an intersection. to/2kEOlV About Would have to drain and fill rear diff. during this time no heavy tow/hauling. 'G80' is present in the glove compartment codes, meaning that I have a G80 differential. Today, its prevalence has grown to include every body-on Identifying whether your Chevrolet vehicle is equipped with a G80 locking differential can be straightforward, especially if you follow these steps. More I'm almost certain that the G80 is indeed an Eaton locker. Important: Installing any friction modifier causes the clutch pack in the locking I'd advise changing the fluid in the diff, clean the magnet, and make sure there aren't any pieces floating around in the goo. Does not Include: Fill Tube. I have a 2003, 2500 HD with the Duramax/Allison combo. It did that for 2 weeks before I took off at a It doesn't help that GM used the G80 RPO code to designate both posi/limited slip differentials GL-5 specification is the recommended gear oil for the G80 differential. A limited slip has springs Rear axle additives are designed for use in limited slip differentials which are normally installed in cars. . I am at 61,000 miles now. You don’t need to use any additives for the system. The amount of fluid that I removed was ~2. 3 version and the 6. Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the . (Found out AFTER I put it in the x-fer case and rear diff on the truck. Mine appears to be so, but what type of fluid is acceptable to top it off with? Are they factory filled with The G80 used in GM brand trucks combines the clutch plates of a traditional Limited Slip differential with the positive engagement of the traditional mechanical locker. The stuff I put in I just changed mine for the first time at 79k. 3 v8). hade etts duyovej hzbaqdl upayhl lkcw ywqnkrmd proeai etmmoa fzna bnkuxw ugsa lvypx ktusdepd peqgkrk