W140 pse pump diagram pdf. In my life I owned and worked on many W140 S-class cars.


  • W140 pse pump diagram pdf 94HP: Pressure: 2030psi: Pump: Interpump Pump: Drive: Shaft: 24mm Right Hand Shaft: H. This page is dedicated to Mercedes S-class door lock pump repair. It also controls the alarm (if fitted) and the interior light timer, door unlock crash sensor Plus rear demister relay and ARA control model if fitted. The W220 S-Class Pneumatic System Equipment (PSE) Pump has each Port designated with Capital Letters: SK, KAF, HECK, TD, Blank FoR, FoL, BFT, FT and MKL. Although very easy to access, cost of units and diagnosing issues can cause headach Jul 16, 2006 · PSE - Removal, Refit and Check and Turn over as required The PSE(A-37) has a vacumn pump to operate the door, boot and petrol filler locks. Scribd is the world's largest social reading and publishing site. I replace it and after 3 times it burnt again. The W220 S-Class Encyclopedia has fuse charts if you cannot locate yours (it would help to have the model year of your car - most of us place that under our avatar or screen name, via the User Control panel). If you have constant voltage there with Pin 18 of the PSE pump on GND (either via S88/1 or direct) then I would think you have an issue with the PSE pump controls (of course always provided that the supply voltages and GND to the PSE pump and the CA pump are correct. I changed the electric motor inside the pump. Syljua, It is my understanding, in later years, MB introduced a "universal" PSE pump for our model of car. I. When I bought the car, the door locks weren't working - so I had them fix it (not a benz dealer). Pneumatic System Equipment or PSE Pump in Boot or Trunk. I will show how to access and replace. SFG, Hte and Kaf, Sru, Tkl, Mkl, on the grey part that sits on top of pump, Tk, Ft, Hd, Bft and Fond. The PSE pump does the locking and unlocking of doors, inflation of lumbar support bladders, operation of two (2) 'reverse' antennas on some of the early W140 cars (my car has this Oct 19, 2015 · You need a hand vacuum pump, and a means to close off disconnected ports and lines as you trace leaks. W: 225 x 221 x 139mm: Volume: 12L One can replace the complete PSE pump with used pump, but motors in used pumps are already worn and usually do not last long. In my life I owned and worked on many W140 S-class cars. The Hella pumps suffer from leakage around the elbows and hoses. I have saved this drawing from my WIS on a pdf, which can be readily enlarged to enable the details to be read. Nov 7, 2020 · The input signal for the pump to initiate the CA is at Pin 5 of A37. Summary of Designations and Functions The W220 S-Class Pneumatic System Equipment (PSE) Pump has each Port designated with Capital Letters: SK, KAF, HECK, TD, Blank FoR, FoL, BFT, FT and MKL. Functions. Sorry for the shotgun blast of questions. After that all doors and trunk handle seems to work fine but after 3 times the fuse in the trunk burnt. I have an issue I still have Jul 21, 2008 · The pump is working, but there are some strange things going on. The PSE Pump Ports are marked but the Air Lines are not. I opened the base of my unit and on the base of the replacement. The o-rings around the plumbing have to be cleaned. I believe that this tells the PSE control module if you also have multicontour seats, etc. May 25, 2016 · Hello to all. It is as I said before All of these pumps are different in the production of these cars. Title: D:Classicetmwebetm`diagramw80202000xy. does anyone knows how does this happen. TIA! Sep 14, 2008 · "There are two air pumps in the C140 (and W140), the Pneumatic System Equipment (PSE) pump (also called the central locking pump) and the Closing Assist (CA) pump. Notes: 1. Your car's options or features will dictate the number of adapters/hoses you will connect to your PSE pump. I don't know of a diagram that shows all lines, but portions, especially for the HVAC system, can be found on the Startekinfo website. I put small zip-ties to all the little hoses inside the pump. I replaced many motors in different PSE pumps. Figure 1 MB OEM Pneumatic System Equipment (PSE) Pump in Boot/Trunk 10. Product Code: IPW140: Model: W140: Motor: 2. I drilled holes through the sides of both units for the hose and wire Vacuum pumps on a w140 can be a nightmare when trying to fix or replace. May 1, 2011 · Could some one "PDF" this repair and upload it to the "Knowledge Database"????? This trully will help MANY W140 owners, because this is usually the first thing to go wrong on a PSE pump, and sooo many people have bought new ones when they could have just replaced these "Strata Brushes" in the motor. It is electrical in operation and has no connection with the PSE system. Please post your year and model, and location, in your info area on this website, as it will help us help you. I have been able to identify a couple of them but I am chasing a leak. I have a 2004(yes a 2004 replacement pump) pump for a W140 it has a capped port for it to work on all the W140's. . e. Feb 22, 2023 · 9. PSE_+1997 W140 (1) - Free download as PDF File (. On this page we have provided a collection of owner operation, service and repair manuals for the Mercedes-Benz Series W140 Type vehicles that are available for download. Is there a block diagram showing the layout of the PSE system from the PSE port to the individual locking mechanism. Jun 13, 2007 · I just bought on e-bay the door locking pump from a 124 300E. Is there a removal tool or a special way to remove them. Therefore the best option is to repair existing PSE pump and to replace internal pump motor. txt) or read online for free. May 25, 2012 · The first thing I would check are fuses, especially for your central locking system and for your PSE pump. dwf Author: Mac Book Pro Created Date: 3/6/2014 12:58:24 PM Jan 15, 2019 · Here is my 1995 s500 and location of soft close vacuum pump. Most of them had problems with the door lock pump aka PSE pump. Title: D:Classicetmwebetm`diagramw80202000xv. Example, the back seat headrests won't go down and I am getting a code that is about the PSE pump and the reverse antenna (my car doesn't have reverse antenna). Connect impulse counter scan tool or Hand-Held Tester (HHT) to X11/4, according to diagram, see section 0. Mar 7, 2005 · Syljua, It is my understanding, in later years, MB introduced a "universal" PSE pump for our model of car. Rectify faults according to table. Also how to test the pump. See Figure 2 PSE Pump Air Line Port Designations. Additionally, production models timeline and technical data is provided. Just prepping for warmer weather and possible overhaul of the PSE system. The Mercedes W140 is an S-Class model of the German brand Mercedes Benz Feb 22, 2019 · 1999 S420 W140, I need help identifying connections on the pump itsellf. I have an older model W140, and as a result, my car uses the connections for the rear parking aids. 1 Pneumatic System Equipment (PSE) Model 140 Diagnosis – Diagnostic Trouble Code (DTC) Memory (PSE) Preparation for Test 1. There is a drive motor for the headrest in the seat back, which is easily accessed by removing several screws at the bottom of the seat back and pulling the panel down to remove it. Read out Diagnostic Trouble Codes (DTC’s) and record. As I stated, I never had a problem with it. dwf Author: Mac Book Pro Created Date: 3/6/2014 12:54:32 PM Mar 20, 2009 · I think that the diagram for the external connections to the PSE control unit (A37) shown on post #3 is correct, but is too small to be legible. Cut the power supply wires to my old motor and the ones on the replacement motor and wired the "new"motr to my unit and connected the vacuum hose of the "new" with an extension to my PSE unit . Full assignment of fuses and relays Mercedes 140 with box diagrams and their location. I merely cut the original power wires from the w140 PSE pump motor and connected them to the w124 motor. pdf), Text File (. I am after information on how to remove the vacum lines from the PSE pump I have obtained without causing any damage to the pump to transfer it into my Mercedes w140 and remove the old one. The key is not to find one of the modern ones with the missing nipple port, but a capped port. 3. Dec 29, 2013 · Your headrest is independent of the PSE pump. It comunicates with the DAS thru the CAN from the MFC Dec 4, 2020 · Now, many first year W140's came with a Hella pump, yet nearly all the threads on rebuilding theses W140's PSE's show the Bosch pumps. Figure 2 PSE Pump Air Line Port Designations The following Table shows the Connector Colour, Air Line Colour, Designation and Function for each PSE Diagram for 1992 W140. 2. Not that much of a modification. All you do is attach the base of w124 motor to the base of the w140 PSE carefully. I have put the photograph on Jan 24, 2014 · The logic board in the pump does not go bad. Also note that it must be coded by HHT after installation. Back in the days original motor was available. It pressurizes the lines causing the Aug 13, 2010 · I swapped out the of w124 motor and didn't solder anything. L. The negative pressure (vacuum) pulled by the PSE Pump may ensure retraction of various actuators but it also performs function in it’s own right, such as retracting the Boot/Trunk Handle. Quote: The pump does the closing of the doors and trunk with pressure. The W140 Mercedes-Benz S-Class was introduced in 1991 and produced up until 1998. May 6, 2009 · I am having trouble with my PSE pump. On a M-B W220 2003 Update S500 LWB: Locking/Unlocking of Doors, The W220 PSE Pump is very clever, and similar to the W140 Close Assist Pump as described by Brett Allison in the Reference, in that it can both blow (create +ve pressure) and suck (create -ve pressure or vacuum). May 24, 2006 · My EPC lists 9 different PSE pumps for your W140 model - but only A140800 32 48 is specified for model year 98 onwards. glove box to port XX on the PSE pump. kbhpfr cwuipqzm sxxqy jxwl uvfffq hyjsu dwyq fqacw yxth bjxdpwy