W140 pse pump diagram Read out Diagnostic Trouble Codes (DTC’s) and record. Tests include activating and deactivating immobilization to check starter operation and checking for Jan 1, 2024 · I would get both batteries fully charged and then check voltage at the PSE pump. If the car engine is not running, the PSE pump provides the vacuum. This is a retro ride . It includes an introduction, version updates, part numbers, and descriptions of the pump functions. Thread starter merc320; Start date Jan 25, 2013; 1; 2; Next. The line itself has a tag on it which is labled "DVS". OP . Feb 28, 2015 · Searching around I didn't find a thread or guide specifically for M120 vacuum leaks so I decided to start one here. - Notes on disconnecting connectors and a locking mechanism to prevent If the supply pump detects a pressure of 2. 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. W140 S-Class Jan 8, 2019 · Thanks for the info I am having difficulty accessing the wiring diagrams on the link you have put up I am trying to retro fit the switch into a w126, I am able to buy a switch with a bit of loom attached to the rear, is this sufficient or do I need other relays in line, from your explanation im assuming only two wires are connected and other two are for lighting For Joe in CTCustomer replaced the motor but pump still did not work. I've located the pump unit in the boot. I dropped about $600 on a new central locking vacuum pump, also known as a PSE pump. In addition to central locking, it also controls rear seat headrests, inflatable lumbar supports and trunk handle, if so equipped. I looked around the area and i did not see any open/unconnected vacuum line. Oct 19, 2015 · You need a hand vacuum pump, and a means to close off disconnected ports and lines as you trace leaks. Jul 18, 2016 · I dropped about $600 on a new central locking vacuum pump, also known as a PSE pump. (yes a 2004 replacement pump) pump Oct 19, 2015 · This then cuts out all the other devices running off the distribution block, the PSE pump and reduces the problem to the basic ventilation system. pdf; MB W140 1994 S320 Electrical Schematic. along with the RMA number. 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. I have an older model W140, and as a result, my car uses the connections for the rear parking aids. Sep 16, 2003 · I could hear the PSE pump under the rear seat running when I attempted to activate the central locking system. Apr 8, 2013 · To help you a bit more, the electric motor / pump assembly inside the PSE is the same on the S and SL class, so if the electronic part (PCB & valves) of the old SL PSE is working, you use the pump from the S class unit in your SL PSE , it is only two wires to solder, easy job . transparent -HVAC I assume the transparent refers to the sort of cream colored so finally got around to fixing my door locks today. This document provides instructions for testing the functions of a pneumatic system equipment (PSE) model 140. A comprehensive document that provides detailed information on the pneumatic system equipment (PSE) pump for the W220 2003 Update S500 LWB. Functions. If the dashpot wasn't there, the PSE pump would run forever unsuccessfully trying to achieve a constant 17psi vacuum. Diagnosis 1. Joined Jul 5, 2015 Messages 17 Reaction score 0 Location Oct 20, 2021 · It is the climate control vacuum power changeover valve; vacuum valve block and how best to access it. If your lumbars are leaking the pse will eventually shutdown that part of its circuit and then nothing will happen when you operate the dials. Title: D:Classicetmwebetm`diagramw80202000xv. pdf The PSE Pump Ports are marked but the Air Lines are not. I do a final test of these pumps in the actual cars, and that connector is floating in the wind on our cars :wink Martin MERCEDES AIR CONDITIONER DIVERTER FLAP: W140 PSE PUMP DIAGRAM & SWITCH over VALVE 2000 MB C230 Kommpressor I need a wiring diagram with colors for the radio Sep 1, 2017 · Will not work at all any other year. Watch the duration of the pump - no more than 7 seconds. This problem will likely be solved by making an adjustment to the pump's pressure shut-off switch as described in the v12uberalles . the arrow on the others pointing to the power and ground. In addition to Download: Electrical Diagrams. And i would like to know how to code it. The motor in the central locking pump (PSE pump) is probably bad. txt) or read online for free. Your car's options or features will dictate the number of adapters/hoses you will connect to your PSE pump. Otherwise, the spare part may burn out. Now I have to research how to reroute vacuum hoses and electrical wiring to assign trunk assist to PSE pump if possible. Basically selling parts and then 1997 Mercedes-Benz W140 S320 Trunk Soft Closure function repair Feb 22, 2024 · Pump diagram vacuum wiring mercedes s420 1997 seat rear under size full eurotecMercedes w140 wiring diagrams Pse mercedes w140 diagram benz class please picture forum electrical complete forums search but doWhere can i get wiring diagram for my vacuum pump under rear seat for. For RickRestoreYourMercedes. Trunk latch not coming out 2. cable. fuse #11 good Possible cause 1. It describes parts for the front and rear axles, steering, pedals, transmission, and more. i really need help on figuring out what goes where. It this whole thing started with the latch in october which led to the PSE going bad then after i got the PSE in and before i could version code it the inspection came up and was hunting for 4 new tires (it wasn't easy) and then saturday night night the car ran out of gas in a fast food drivethru line and seeing as the car didnt start, after I ice Jul 28, 2019 · I just replace the whole solenoid pack with the nipples on those pumps as that is the most logical thing to do. Together with it, pull the electric motor from the seat. The presented central locking vacuum pump motor for Mercedes-Benz (W140, W210, W124) was manufactured in full accordance with the original part. Checked 2013 version WIS to 2019 version. Sorry for the shotgun blast of questions. Mar 20, 2009 · There is no diagram just for the harness connector itself showing what wire goes where in an easy fashion. MAVA says the IR lock system diagrams are messed up also, and I found that the connector drawings for the mirror and steering wheel control box is completely wrong. Check Details. com/mercedes-transmission-services/ May 25, 2012 · The first thing I would check are fuses, especially for your central locking system and for your PSE pump. The document also mentions parts for options like self-leveling devices, all-wheel drive, anti-lock brakes Apr 1, 2010 · 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. You have to look at the pin numbers on your connector and compare them to the diagram above. The document provides a system wiring diagram for the 1996 Mercedes-Benz S320's 3. This document contains a list of parts for a Mercedes Classe C W202, including the engine, suspension components, brakes, fuel system, electrical parts, body components, and interior components. I. It sounds like the car is receiving the proper signal from the remote, then. Can anyone send me a wiring diagram of the PSE Connector and which wire goes where (the plug has about 20 or so Customer: Hello Marty 1997 W140 CL500 with soft-close trunk/doors issue Remove the appropriate fuse to allow reset, replace fuse and YES, soft-close works at all points. I Thread: W140 PSE Pump Connector Wiring Diagram. My problem is, that I do not get the PSE to pump on that line at all. Massive selection from top brands on eBay. i had soldered a wire i tried to illustrate in this pic showing point a to b . The distribution block has feeds to several other areas around the engine - I've yet to find what every device is but EGR is one or two , PSE is another. Apr 28, 2025 · After removing the bottom of the case, you need to unscrew the electronic board in the unit (TORX T7). mercedesbenztechs. 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 problem is on the clear tubing connected to "PU" on the distribution manifold of the pump, which I understand is the vacuum supply line from the engine. pdf Electrical Diagram Wiring Schematic. Dec 3, 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. If you are not getting power to the pump, your fuse is most likely blown. GSP Limitations, Restrictions and Exclusions ?. Contact Jun 15, 2011 · W140 300sd 1992 - Vacuum Diagram HI there, i got this benz couple months back and i had a blown head gasket, i have replaced the 3. This document provides a list of fuses for a Mercedes C Class W202, including the fuse number, amperage, color, and associated vehicle functions such as airbags, power windows, seats, and various comfort and convenience features. Part number is 1298003178 that would be item 11 in post #3 "valve block" Brings together engine vacuum, HVAC actuator control and PSE pump constant vacuum signal (P-). Regards David Feb 8, 2009 · A few years ago I had problems with the PSE pump on my 1998 E320 wagon running for extended periods. I replaced the blow fuse again (F4 # 9) but now the PSE pump does not run. Apr 5, 2024 · Land Rover. i have been having problems with it. 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. com article. Once we have determined your PSE pump is faulty we perform a full rebuild and a function test, most units […] Oct 14, 2013 · OK. The pump in my car now is from a post facelift model, so my reverse rods do not work anymore but the rest of the pse functions work great!. It seems that I either have a small leak in a hose or the pump itself Jan 8, 2012 · PSE_Vacume PDF Images that illustrate the central locking system and pneumatic components within a vehicle. W140 S-Class Jan 30, 2018 · I finally was able to confirm it - RCL out of the game - the voltage between pin #5 and #9 of the CA pump connector switches as it should. The W140 has two pumps - one in the trunk (door closure assist) and one under the rear seat on the passenger side of the car operates the central locking 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. com Feb 17, 2024 · Central Locking PSE Vacuum Pump Motor for Mercedes W140 S320 S420 S500 S600. Although very easy to access, cost of units and diagnosing issues can cause headach Jul 8, 2005 · the car, I do not know if the rest of the system after the PSE pump is faulty or not (bladders in seats, switches, lines and reservoir in trunk). The S500/ S600 pumps may not work correctly, but I believe you will loose the center console lock feature if you do get a S500/S600 W140 Diagnostic Trouble Codes (DTC) – Models with M119 Engine Only! The pages in this document have the Diagnostic Trouble Codes (DTC’s) for the following models, all of which have M119 V8 engines with LH-SFI (LH Sequential Fuel Injection): 1992-1993 400SE, 400SEL, 400SEC (4. com Feb 9, 2012 · Ive had 3 different pumps in my S-Class and they worked mostly. All other functions of the PSE, like Central locking, head rest release, trunk handle retract, A/C Rest supply works fine. 2. com 93-99 Mercedes-Benz S500 Coupe W140 May 14, 2014 · OK, found an old forum post regarding a bad PSE that kept burning the 20amp trunk fuse. I have the same situation. I’m not so sure on its intake manifold. 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 Aug 14, 2010 · I take out the PSE pump, remove the bottom cover and notice the pump motor top came off. Maybe over time this thread can Aug 1, 2009 · The large clear line coming from the PSE pump hooks to the P- port on the pump and to port 6 on the distribution block. For the trunk lid, if coupe and sedan are the same, the PSE is also involved -- or at least the signal from the microswitch "passes through" the PSE pump. Takes anywhere from 1 to 3 days for the fuse to burn. This pump, in some form or another, is found in many models and many years of Mercedes. when gone it will often blow the fuse for the pump Complete workshop repair & service manual with electrical wiring diagrams for 1991-1998 Mercedes-Benz W140 S-Class. w202-fuse-box-diagram - Free download as PDF File (. The Hella pumps suffer from leakage around the elbows and hoses. To discribe further, i was in such a rush to use new gauge that instead of un soldering the motor and test it separate. com In this episode I go over how to access the PSE central vacuum pump in a 2001 e320. These include locking and unlocking doors, soft closing doors, inflating lumbar supports, operating the fuel filler flap lock, and extending/retracting the trunk handle. Also note that it must be coded by HHT after installation. Specializing in used parts for Pick up at our facilities is available. USD $9. 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. (The one in there now works properly). Jan 23, 2010 · I would like to know where is the location of the pump that locks the doors, sucks in the trunk etc. Pse pump mercedes vacuum door. Is there an upgraded tubing available? 9. Nov 12, 2006 · i dont have the back up rods but pump runs when i put the transmission in R i think the pse i purchased was for an older w140 can anyone give me an electric and vacuum diagram to reconfigure the pse? Save Share Sep 21, 2011 · W140 wiring diagrams HERE Jump to Latest 36K views 7 replies 6 participants last post by Gnasha Sep 22, 2011 Feb 15, 2016 · It includes descriptions and functions of the PSE Pump, summarizing designations, and providing baseline pressure test results. Connect impulse counter scan tool or Hand-Held Tester (HHT) to X11/4, according to diagram, see section 0. Dec 28, 2006 · HELP PSE Vacum Pump wiring (UPDATE PICTURES ADDED) Hi all, as you read my previous post my slk230 2001 (facelift) hasnt got PSE Vacum Pump for central locking (previous owner took it out and fit cheap alarm and some kind of vacum pump) I managed to find out part number which is 170 800 0848 Nov 8, 2011 · The PSE pump is under a rear seat and the chances are the motor has gone by the sound of it, its 38. This got me puzzled and im trying to figure out what is going on. Customer: where can I get wiring diagram for my vacuum pump under rear seat for 1997 S420 mercedes The existing wires are cut and would like to get proper sequence and color. I replace it and after 3 times it burnt again. -Harness checks out-PSE checks out-RCL (140 820 07 26) is the suspect. 1 of 2 Go to page. 1995 Mercedes-Benz W140 S500 110XXX Km. Here is the schematic. 12L/Min, 2030psi, 2. W140 PSE Pump Connector Wiring Diagram . About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Also I replaced all injectors and fuel rail, pressure regulator, fuel pump, and fuel relay, and basic 100k tune-ups like cap rotor etc. w140 m104 engine - Free download as PDF File (. The Mercedes W140 is an S-Class model of the German brand Mercedes Benz May 6, 2009 · I am having trouble with my PSE pump. To test the block, remove all the connections (pay attention to where the came from) and hook a vacuum tester to port 6. Now there is no need to buy an expensive new pump as only the motor burns out, I have just fixed my 140 pump with a motor from a 126 that I had laying around. In my life I owned and worked on many W140 S-class cars. Any ideas? Dec 9, 2005 · After looking at diagrams I finally understood the differencs between 92-94 pump and 95up pump. To remove the graphite pump housing from the JOHNSON motor, you need to unscrew 3 screws (TORX T10), remove the top cover of the pump, the pump stator ring, remove the graphite plates from the pump rotor. pdf; MB W140 500E 1993 Electrical Schematic. Mercedes Benz PSE pump central locking R230 SL55 SL500 SL350 A230 800 May 13, 2023 · Below is the serpentine belt diagram and pulleys numbered to easier explain which ones I took off. Oct 23, 2014 · Call : 770-837-3888 Mercedes benz vacuum pump problem? http://www. megliam Member. 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. Jan 10, 2012 · Your PSE pump under the rear seat operates the door locks, lumbar, and a few other things. 971 engine) Jul 25, 2003 · The PSE pump (under the rear seat) performs two functions, it provides vacuum and pressure which is stored in two reservoirs. When the front window defroster/EC is on (at any speed), the pump does not cycle. I disassembled it and found the motor was failing. It provides details on the part number, location, functions, and testing procedures for the pump. - The location of various relays in the fuse and relay box F1 for pre-1995 and post-1995 models. 1997 S-500. Also selling clean title, very clean frame with engine and transmission as well as ac unit. Shop Vacuum Pumps for Mercedes-Benz S500 with eBay Guaranteed Fit. I found a dry rotted vacuum breather hose from the air pump to bottom of intake manifold. Many have described the exact same symptoms and have restored 100% reliable function with this fix. 2L engine performance circuits, including diagrams for circuits related to engine performance. allway-auto-us (2544) 96. com Feb 20, 2023 · Mercedes-SL-S-CL-Class-R230-W220-C215-PSE-Central-locking-pump-motor-vacuum-impeller-repair-repl PDF. Syljua, It is my understanding, in later years, MB introduced a "universal" PSE pump for our model of car. The unit will make a "click" noise when I plug and unplug the wiring but no whirring of a pump when I hit the May 9, 2009 · Mercedes-Benz Sedan / Coupe / Wagon Forums. It includes locations of components, preparation steps for testing, a table of possible diagnostic trouble codes with causes and remedies, and notes on required tools and equipment. MB W140 400SE 1992 Electrical Schematic. I you attempt to use the Central Locking System, you will only hear a single, faint click noise coming from the PSE pump – no motor running. For repair inquiries or to purchase replacement motor please visit my site at www. yellow-locking door 2. That diagram may not show every pin on the PSE since the diagram is for central locking. 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. May 25, 2006 · Mercedes-Benz Sedan / Coupe / Wagon Forums. Every time the door is open/closed the pump start working for approximately 10-12 second but locks don't go up or down. PSE ( Pneumatic System Equipment ) Central Locking PSE Vacuum Pump operates the doors, boot ( trunk ), headrests, Multi Contour Backrest (Lumbar Support Blad Jan 15, 2019 · Here is my 1995 s500 and location of soft close vacuum pump. doors not locking 3. That is for a 95 S420. I believe that this tells the PSE control module if you also have multicontour seats, etc. pdf; MB W140 1994 S350 TD Electrical Schematic. orange-backup 3. The replacement fuse didn't blow but the PSE pump didn't spring into action either. Jan 25, 2013 · W140 central locking pump. I will show how to access and replace. May 25, 2016 · 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. Circuit board fried in PSE case Functional diagram of the fuel injection system of a non-turbocharged diesel engine 1 - Fuel injection pump; 3 - Fuel pump; 15 - Bypass valve; 30 - Injectors; 43 - Pre-filter; 50 - Return fuel line; 54 - Fuel injection line of the 1st cylinder; 63 - Fuel tank; 73 - Fuel filter; 73a - Restrictive channel; 86 - Fuel thermostat open, fuel warm; 86a - Fuel thermostat closed, fuel cold; 87 - Fuel We can re-manufacture your faulty Mercedes W220 S320, S350, S430, S500, S600 PSE central locking Pump. I left it hooked up through pump and may have crossed wires. The document offers detailed instructions on actuator removal and handling, supported by images illustrating various parts and diagrams of the door mechanism. I changed the electric motor inside the pump. I managed to find an exact replacement motor on ebay and, after rebuilding, the pump works as good as new. com/watch?v=EwlFbqw0ul4This video shows in detail and step by step how to remove a PSE p This document provides information about removing and installing the front fuse and relay box on Volkswagen vehicles, including: - The steps to remove and install the front fuse and relay box both before and after 1995 models. I have an issue I still have Jul 26, 2011 · Pulling the fuse resets the pump, and you're good until the pump starts timing out again. Rancho Cordova, CA 95742. Most PSE central locking pumps fail causing a 20 amp fuse to blow and central locking to stop functioning. The locks are then locked mechanically in the third catch. However, if this is the case, replacing the fuse is usually not a long term (or in most cases even a short term) solution. Charging battery w/o disconnection neg. If I manually push them locked and press unlock on the remote the all door locks open but frRight. May 13, 2023 · Symptoms 1. Plug connections 5 & 13. Dec 29, 2013 · Your headrest is independent of the PSE pump. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page. Rectify faults according to table. Feb 20, 2017 · PSE pump central locking R230 SL55 SL500 SL350 eBay Here is a central locking pump, PSE, for R230 type SL From a member here an offer of £325 with your old unit in exchange will be OK. Also checkout further information;. The vacuum and pressure depending on how the pump is running is routed to the doors, fuel filler and trunk lock, any leaks in those lines or elements could cause it to run untill it times out. Figure 1 MB OEM Pneumatic System Equipment (PSE) Pump in Boot/Trunk 10. pdf), Text File (. They are interchangable but 95up pump will not close the trunk since, as you noted, trunk assist moved to PSE pump. M. Pump was brought over to me for repair. To further diagnose this system you must get the PSE pump to start up again. 2L M119. Use a mity-vac tool to evacuate the air. Go. Location: Houston, Texas Jan 18, 2018 · For John in GAwww. Pump out as much air as you can. 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 Let me know what parts you need. black-trunk lid grip 4. 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 . . I have something like this on w140 at PSE pump, under the bench . PSE ( Pneumatic System Equipment ) Central Locking PSE Vacuum Pump operates the doors, boot ( trunk ), headrests, Multi Contour Backrest (Lumbar Support Blad Mar 21, 2015 · I looked on this forum and diagnosed a blown 20A fuse for the PSE pump which I checked and replaced (it was indeed blown). New pse units are available still. Jan 7, 2012 · Mercedes-Benz Sedan / Coupe / Wagon Forums. Registered User : Join Date: Mar 2007. May 31, 2020 · Not the first time W140 diagrams have been incorrect. A detailed set of instructions aimed at repairing the central locking vacuum pump motor impeller for certain Mercedes-Benz models. Is there a block diagram showing the layout of the PSE system from the PSE port to the individual locking mechanism. After that all doors and trunk handle seems to work fine but after 3 times the fuse in the trunk burnt. You'll need to test with the engine running. This is for the R 230 Feb 27, 2014 · My EPC lists 9 different PSE pumps for your W140 model - but only A140800 32 48 is specified for model year 98 onwards. Mercedes w140 pse pump repairMercedes w140 pse pump repair Pse pump connections explainedOrange pumps. Figure 2 PSE Pump Air Line Port Designations The following Table shows the Connector Colour, Air Line Colour, Designation and Function for each Mar 21, 2019 · W220 Vacuum System -pneumatic-system-equipment-pse-pump PDF. the vacuum line from this goes to behind the engine that helps the air co Dec 25, 2008 · We may earn a commission for products purchased through links on this page For Stephan in Californiawww. 94HP: Pressure: 2030psi: Pump: Interpump Pump Dec 9, 2010 · While replacing the defective PSE vacuum pump under the back seat, the 21 pin connector casing separated. Mercedes Benz W140 Electrical Diagrams . Can someone explain what line goes PSE Diagram for 1992 W140. the ONLY difference I can imagine the pumps having is the reverse rods and lumbar support options. Feb 26, 2024 · W140-pse pumpMercedes pse (door) vacuum pump Feeler: w140 pse pump motors fsMercedes w140 wiring diagrams. Mar 24, 2016 · when i tested i used some info to go on with wiring it for the test. pdf; MB W140 400SEL 1993 Electrical Schematic. For Joe in CTCustomer replaced the motor but pump still did not work. W140 S-Class. 94HP Product Code: IPW140: Model: W140: Motor: 2. I drilled holes through the sides of both units for the hose and wire In this Episode we are fixing the Vacuum Pump that operates the soft close doors. Jul 18, 2016 · Central Locking Vacuum Pump Repair By Jerry Cole, Technical Advisor I don’t mind spending $600 on a major part for a Mercedes from time to time because it’s part of the cost of ownership, right? So I did. Are replacement PSE pump fittings availabe? 7. I opened the base of my unit and on the base of the replacement. com Aug 16, 2016 · Additionally does anyone have a schematic or diagram of the PSE pump pipe layout Cheers . Please post your year and model, and location, in your info area on this website, as it will help us help you. Feb 22, 2023 · 6. I bought one Link to PSE vacuum PUMP ROTOR replacement video: https://www. Jul 21, 2008 · The pump is working, but there are some strange things going on. Likely there is a leak if the pump times out. Most of them had problems with the door lock pump aka PSE pump. Pneumatic System Equipment or PSE Pump in Boot or Trunk. This is a common problem (brushes wear out, black powder everywhere inside the pump). Interrupt voltage to PSE control module for approx Mar 7, 2005 · The pump basicly has a motor that runs forward and backward, the output is routed thru solenoids to whatever source needs it, the valves are controlled by microswitches, or electrical diaphrams that start or turn off the pump. when i close the button that is responsible on the driver chair back its noise (knocks ) stop. First I loosened the 2 pulleys on the water pump (#5,#11) with 10mm socket and one on the Tandem pump (#10) with 13mm socket. It is electrical in operation and has no connection with the PSE system. W140-PSE pump - PeachParts Mercedes-Benz Forum. Jul 16, 2023 · Any 98/99 pump will work from 8cyln/6cyln Most of the time the failure is the result of the bladder bags in the seat-backs rotting away, so they leak. e. Diagnosis – Diagnostic Trouble Code (DTC) Memory (PSE) Preparation for Test 1. There are a set of 20 wires going to the pump. The door lock pump is the one I fix the nipples as that pump is programmed to the car to a certain degree for the features it has. 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). Set your lumbar thumb-wheel to ZERO. I also confirmed continuity between connector 3 of the PSE pimp, pin #5 and pin #26 of the RCL connector. dwf Author: Mac Book Pro Created Date: 3/6/2014 12:58:24 PM The document discusses a Pneumatic System Equipment (PSE) pump found in Mercedes-Benz W220 S-Class vehicles from 2003. glove box to port XX on the PSE pump. After deep cleaning my house I found a door lock pump that I pulled a few years ago from another 95 s50 Jan 2, 2004 · The symptoms you described, the random closure of the trunk, and failure of the central locking system were exactly the symtoms I experienced when I had a PSE (Central locking pump) failure. Customer: i have a knocks from the booth, the knocks are from the vacom pamp in there. Someone please help me with this stupid pump. I would remove the pump and figure out what the problem is. 4 with a 3. 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 Jun 23, 2013 · I'm just guessing, but I think the primary reason for the dashpot is to zone the intake manifold line from the PSE pump vacuum line. 0 SDL engine and now since i removed the old engine i have also removed all the vacum lines, soooo. See Figure 2 PSE Pump Air Line Port Designations. Try key to lock doors and can't here pump working (back seat is out) 2. I hope this will be of some assistance. Link to PSE vacuum PUMP ROTOR replacement video: https://www. Found few mad parts on board, had to realign va Jan 30, 2018 · The input signal for the pump to initiate the CA is at Pin 5 of A37. Oct 30, 2015 · I have probably worked on one-hundred PSE back seat pumps on these W140's here in the Western USA. Feb 3, 2020 · WIS doesn't have the diagram. I took out the yellow fuse out for 15 Nov 15, 2014 · So I have found a correlation with the vacuum locking pump and the climate control and need some advise on isolating the issue. 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. The diagrams provide detailed visualization of various pneumatic lines and the proximity of these components within the vehicle structure. I've checked the central locking fuse (#3) in the boot and it's ok. reapeter blink but pump pse stay off , no communication with pse module , +30 and ground are ok somebody have the wiring diagram please ? i have two plugs , one with two wires from canbus and another with ten wires for power contact ? many thanks. Very strange. 3% positive. This page is dedicated to Mercedes S-class door lock pump repair. The Nov 7, 2020 · The input signal for the pump to initiate the CA is at Pin 5 of A37. However, after working for a day or two, it fails Oct 20, 2019 · Try to sort it out with the diagram should be the same for all W 124 . 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. Well, not does it only pull in those heavy doors on the S500 but it also op Dec 9, 2005 · After looking at diagrams I finally understood the differencs between 92-94 pump and 95up pump. Feb 21, 2011 · I have 2002 S430 that the doors/trunk are not working. (SOLD) 1996 Mercedes-Benz W140 S320L 192XXX Km. Your pump will either have a bunch a locking nipples, or may have a removable pump plate. 95. I believe my issue is related to my PSE as well. Your pump should be only used for S420 and S320. View Single Post #1 07-19-2008, 07:53 AM JFawcett. Is there a removal tool or a special way to remove them. (it was Jul 28, 2015 · Im trying to rebuild my PSE pump with a new motor and on my pump there is an open port that doesnt have a line in it. Great deals. Seller's other items Seller's other items. There should not be any moisture in the graphite pump, it is very “afraid” of it. If you search you will find a few threads about sourcing a replacement electric motor for the PSE pump. . com/watch?v=EwlFbqw0ul4This video shows in detail and step by step how to remove a PSE p Vacuum pumps on a w140 can be a nightmare when trying to fix or replace. 5-3 bar via built-in pressure switches or an undefined signal at the microswitch the pump, or, if a number of control points are actuated, but not simultaneously, the associated output is switched off (valve closed). The glue thing works, but for these pumps it more practical here in the USA to replace it. does anyone knows how does this happen. Any ideas? Full assignment of fuses and relays Mercedes 140 with box diagrams and their location. I am aware of the pump in the trunk. As soon as I turn off the climate control ("0" button on the dash), the pump starts to cycle again. I would like to know how many pumps are in this car and where each are located, Thanks :D For Drazen in Virginiawww. 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). Notes: 1. Floating around on the net is a good vacuum leak guide to the M104 engine with some great generic but period correct MB info, but not for the M120. Does anyone have a picture or diagram of the 21 pin PSE pump connector which shows where the wires go by color? I have seen wiring diagrams of the system posted but need a picture or Jun 13, 2007 · I just bought on e-bay the door locking pump from a 124 300E. I removed the new fuse and it was hot to the touch so I put a different one in - same symptoms. I hope this helps you. On a M-B W220 2003 Update S500 LWB: Locking/Unlocking of Doors, Jan 24, 2014 · Youtube pse pump test vid that helped me immensely (1997-1999 pumps) where and how did he attach the power source to the pump. The brushes look fine, re-attach the top (more securely this time), check to see if the motor is working (which it was), and reinstall the PSE pump (wires and vacuum lines), install proper 30 amp fuse and Apr 7, 2006 · I recently replaced the pump but the leak is still there and I do not want the same failure to recur. Oct 21, 2020 · 1992 Mercedes-Benz W140 300SEL 285XXX Km. gray- orthopedic 5. Jon Feb 10, 2016 · I've got a somewhat beat-up 1992 W140 with non-functional central locking. The pump has 15 suction adapters and the Bosch pump part # XXXXX XXXXX 800 23 48. youtube. Here is my ordeal: Jul 5, 2007 · Can someone please tell me what the white hoses on the PSE pump below the seat operates? I have read the forums and found that: 1. RestoreYourMercedes. 3. Is the tubing available in bulk? 8. trunk button on dash not working. You may find info here Hope it helps, Martin Jun 13, 2021 · The left front door element needs attention if the other 3 doors close. Search here on the W140 portal for the diagram of vacuum diagram PSE moves the vents. Also how to test the pump. gdimbq odjbqq myrx qpngnf eqtd hbff cfgtlr letsiz trnv ruakg