W140 pse pump diagram. Jump to Latest Follow 4K views 3 Jun 8, 2023 · The centrifugal pump defines as a hydraulic machine that converts mechanical energy into hydraulic energy by means of a centrifugal force acting on the fluid. Connecting a small pump with pressure and suction to SFG tube trunk handle Dec 9, 2010 · 1994 W140 S600 PSE Pump Connector Photo. Today, I removed the pump and reviewed a broken nipple on the P + Pressure connection, it is also the first one I pulled. com Sep 6, 2016 · S. Dec 25, 2008 · W140 S-Class. My EPC lists 9 different PSE pumps for your W140 model - but only A140800 32 48 is specified for model year 98 onwards. N. Mar 23, 2017 · 784 posts · Joined 2010. The last owner tried to fix the pump and did not reconnect the pump wires. Thanks fellas. 31 posts · Joined 2010. this one is cutted by previous owner and I need part number of it :crybaby2: Apr 18, 2017 · 14 posts · Joined 2017. having issues with my PSE vacuum pump. The Arduino reads the air pressure from the pressure sensor in the PSE. when the PSE pump is dead, the center vent is supported by the engine vacuum, but if remove the pump out, this vacuum line leaks and the center vent closes. # 9 is for the closing assist which is the pump in the trunk #11 is for the PSE pump, under the owner's seat (right rear seat). 5. If the pressure is above (+ive) or below (-ive) a certain threshold, the motor will stop. I have an issue I still have May 3, 2016 · The pump in the trunk is the door close assist and trunk soft close. Removeing and refitting the (f71, yellow, 20A) fuse resets the "timeout" count to zero, so it starts again. "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. Open the pump, and lock at the circuit board near the pins for fryed PC trace. W140-PSE pump. Imbalance on the different lines to hold pressure, is not to be adjusted for in the pump, unfortunately. #13 · Dec 5, 2017. Pneumatic System Equipment Pse Pump W220 S Class Encyclopedia. Door Closing assist did not work. . The first step to understanding the heat pump schematic diagram is identifying the key components. Fuse Box. Find a diagram of the proper pneumatic routing for your model. Try pulling fuse 11 for 30 seconds, disconnecting the battery for 10 minutes, and/or clearing the codes out of the computer. Technician said that the pump dynamo is getting weak. Tuner, amplifier, sound system. It either increases or decreases the pressure in the lines causing the movement of pistons in actuators, which in turn move levers in the various latches, which pull the doors or trunk closed. To further diagnose this system you must get the PSE pump to start up again. Take yours with you to compare at junkyard. Attachments. You need to give your mechanic the links for the circuit diagrams at w140 Documentation – Mercedes Restoration Enthusiast Nothing is between the relay and the starter except wire. Get tips on blown fuses, replacing a fuse, and more. Pre-Owned: Mercedes-Benz. As a guide I charge £400 plus next day shipping of £15 (around US$585 I think), to the UK. VL =left-hand*door lock. Jan 5, 2011 · once laid down: -. gray- orthopedic. There are two hoses going to the trunk lock. Your headrest is independent of the PSE pump. If you had broken diagraph. The one in the trunk that pulls the doors closed is the 'close-assist pump' , 'power closing pump', etc: it seems to go by a number of names. Note: You can also leave the arm attached to the engine and unbolt these bolts directly from the power steering housing. (it was Dec 29, 2013 · 6509 posts · Joined 2013. Buy exactly same PSE, look for product code on white label from your PSE. com 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. 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). Subscribed. Take a battery and connect it to the motor. 3. Jan 4, 2010 · w140 central locking. The sensor runs on 5v from the Arduino and is hooked up to one of the analogue inputs. Join Date: Sep 2000. Mar 7, 2005 · 02-20-2005, 06:56 PM. See if soft close works. 24K views 3 years ago. My Mercedes is W140, S320 1996y. 02-23-2005 02:57 PM. Does anyone have a picture or diagram of the 21 pin PSE pump connector which shows where the wires go by color? Feb 22, 2019 · Pse pump leaking again !! 1999 S420 W140, I need help identifying connections on the pump itsellf. Oct 15, 2013 · 1994 Mercedes s320 w140. That button was not used on the US spec W124 during the entire run. One for the handle and one for the close assist. HECK = Rear lid,*boot, trunk, lock. orange-backup. Posts: 285. Was: $238. doors and trunk not working. I wanted to know, the forum's verdict on Feb 9, 2012 · I did this to diagnose my PSE probs. Vacant. It clicks and the resistance changes from open circuit to almost zero Ohms. #2 · Mar 24, 2017. 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 Feb 8, 2009 · 1. the same as this, its P+ that you do not have a hose on, and if you do not have lumbar support, thats normal. it's not the fuse. Free shipping. 1. PSE Diagram for 1992 W140. Locate the small dc motor. Just prepping for warmer weather and possible overhaul of the PSE system. Pete’s Carport. I have timed how long the pump activated for certain features, here are my findings: trunk open - 11 seconds trunk close - 11 seconds headrest - 26+ seconds and whining until interrupted with locks unlock - 11-13 seconds lock 20 seconds activating every 7 seconds with car on Dec 2, 2017 · 1201 posts · Joined 2007. Mar 8, 2012 · Looking for a central locking expert for a Mercedes benz w220. Any queries, please do not hesitate to contact Email@mbsofsouthampton. Disconnecting line 6 from distributor and clogging the opening on a distributor can help in diagnosis. dwf Author: Mac Book Pro Created Date: 3/6/2014 12:58:24 PM Jul 5, 2007 · charles. After that all doors and trunk handle seems to work fine but after 3 times the fuse in the trunk burnt. probably would be a good idea to save them all to your computer. the action seen at the door is sucking in Bonus Deskside-engineering-thoughts; Oct 27, 2006 · Mercedes-Benz, W140 S Class S320 (AKA 300SE) Mercedes-Benz, R230 SL Class SL55 (///AMG) vacuum circ. The water also collected in the rear area under the PSE pump and burned my parking sensors control module. For Dd 10 Mercedes Benz Oem 1408000178 Door Locking Vacuum Pump From W140 S500 1996 Vin Wdbga51e9sa244339 Fits. 1. Although very easy to access, cost of units and diagnosing issues can cause headach Feb 27, 2014 · A140800 32 48 is the part number for this pump. 4 Standard Trans Service Automatic Transmissions 722. 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-). Is there a block diagram showing the layout of the PSE system from the PSE port to the individual locking mechanism. 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. 6387 Views 21 Replies 6 Participants Last post by DJ S420, Jan 24, 2009. Hi I have a 1992 Mercedes Benz 300E 2. Does anyone have specific photos and/or knowledge of all 4 top entry and all 4 Oct 20, 2021 · It is the climate control vacuum power changeover valve; vacuum valve block and how best to access it. W140 has weeks to a month or two before the PSE wears itself to death, or catches on fire-seen it twice on a 93 and 99, so fix those leaks Jan 28, 2017 · SL500 2009. 8 MB Views: 157. you should now be left with this: -. That block feeds the valve block behind the glove box, and several other items. jylee. Youtube pse pump test vid that helped me immensely (1997-1999 pumps) where and how did he attach the power source to the pump. If its. Accessing. The power trace will open the power to the whole pump. 2013 S600 - Renntech (625HP - 745 #-ft) more than S65. Nov 10, 2023 · Since the lumbar support system on the car in question (1999 S420) was no longer functional (leaking), like im sure most W140's out there also are at this point, i decided to cap it off AND (here's the crucial part) remove the plunger from the associated pressure switch inside the PSE pump, thus preventing it from pressurizing that circuit Nov 22, 2017 · Mercedes Benz Central Door Locking Vacuum Pump Motor Hong Mei Trading Co Ltd. Nov 9, 2015 · Dear mercedes lover I have some issues on door and trunk vacuum of my 1997 W140. yellow-locking door. 96) The Pneumatic System Equipment (PSE) Pump is located in the Boot/Trunk in a foam lined compartment in the left rear fender well, above the GPS Navigation Unit and is hidden from view by the Boot/Trunk Liner. I will show how to access and replace. TIA! Oct 22, 2020 · SRS wiring diagram needed. The blend flap vacuum elements are designed as single stage vacuum elements. I came across this reference for the line codes that you might find useful: Line key at pump: IZV = interior central locking*system. read more Lou Palomino . Then, from yet unknown pin, the on/off signal is sent to the CA pump (M14/3). I replaced the trunk vacuum pump motor which was timing out due to a diaphragm leak. All fittings must be tight. #1 · Sep 6, 2016. Mark the layers of the pump with paint marks on a couple sides before disassembly. Hello. 4. 2L M119. IMG_20230217_151010. My central locking system work . The S600 is leaking at the front into the overhead console light area, the S420 is leaking at the rear and water is making its way down to the PSE pump area under the rear seat. Jun 25, 2020 · The Setup. 2- Brown wire. But close assist is still working since the other pump is OK for now. I changed the electric motor inside the pump. So pump inside is OK . DOT. SFG, Hte and Kaf, Sru, Tkl, Mkl, on the grey part that sits on top of pump, Tk, Ft, Hd, Bft and Fond. e. 4K subscribers. if not, then separate lines must be Sep 6, 2017 · the shutoff is not happening * like it does on the other lines *. 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. Both are known to crack and leak. Jack. When I bought the car, the door locks weren't working - so I had them fix it (not a benz dealer). 00. I'm looking for the technical data of the motor: U/min etc. 69. Rear trunk handle ( SFG outlet ) function is not working , as seen the image someone has blocked it off . Vacuum pumps on a w140 can be a nightmare when trying to fix or replace. My door lock pump is damage. Pictures of cars » Mercedes » Mercedes w140 pse pump repair Mercedes w140 pse pump repair. The centrifugal pump flows in a radially outward direction. However, my former E250 Euro spec did have that button. Sep 15, 2020 · As far as I can tell, the PSE is not involved at all. The PSE pump under the back seat also feeds that block. Other wires at the switch are only for lighting. 6 with the M103 Engine,I’m Having some trouble with the A/C. Any help would be great. Download: W140 Transmissions Manual. -Patrick. I rebuild / recondition these SL PSE unit and sell them on eBay in the UK, Europe, etc. Remove the attachment arm from the old power steering pump and attach it to the new power steering pump. The main components I used are an RF remote module, an Arduino, an 8-channel Relay Module and the Mercedes PSE pump with the PCB removed. S600 1995 Vacuum Pump Please advise fitting sequence Pump nossels fks - sfg - rh - zv p- & p+ Colour coded tubes Yellow - grey - white - orange & black Thanks read more Marty Oct 20, 2019 · sbaert. 9. Take the PSE out of the car. Aug 29, 2011 · WLD_Wlodi Discussion starter. Remove the plastic panel at the rear most edge of the Boot/Trunk opening. Upon searching, I found a British Website, selling just the impeller, and claiming their products are better than the OEM. I am in need of the wiring diagram for the central locking vacuum pump for the S320 1999. 94-99 Mercedes W140 S500 S320 Sedan Door Soft Close Lock Vacuum Pump 1408001748 (Fits: Mercedes-Benz S420) $202. so finally got around to fixing my door locks Jan 23, 2010 · I think that the central locking system pump is referred to as the 'PSE' (Pneumatic Services Equipment) pump. report provides a detailed list of fuse box diagrams, relay information and fuse box location information for the 2003 Mercedes-Benz S430. Sep 10, 2009 · -PSE pump and line 6 are not crucial for flaps when engine is running. #2 · Dec 29, 2013. if the system will work, then distributor block is a culprit. PSE pump for sale. Applications: Series R129 and W140 Clutch and Oil Service 717. Only for the very early cars it is possible to drive disconnect the PSE pump and drive the car, with the caveat that some other functions will be lost too - an example is the soft close for the trunk, which as I discovered recently is also affected by the PSE. Mar 5, 2019 · In this Episode we are fixing the Vacuum Pump that operates the soft close doors. Jan 8, 2019 · When the switch is closed, the green/white wire sends a signal to terminal 6 of the PSE, either from Green/red, or ground (brown). Here are some more that Mercedes Mechanic had given me the link for. 1999 S600 - 4 place. These typically include the compressor, condenser, evaporator, and expansion valve. The impeller however is worn out; thus the low pressure. Seems like the price is $295 + $75 core. The PSE either sends vacuum or pressure to the door lock actuator. Jan 9, 2012 · Here are the diagrams I have access to (Thanks to Syljua) for the PSE pump connector: So I hooked the new keyless entry system up to the blue/yellow (connector 15) wire to lock the car, and the blue/black wire to unlock it (connector 2). 50. Sorry for the shotgun blast of questions. Location: Sugarland, TX. i had soldered a wire i tried to illustrate in this pic showing point a to b . co. rsmcmahon. After cycling the lock/unlock process a few times and listening for the hiss of air I found that the air leak was located at the drivers door. S430. 02. Power to the motor is routed through an NE555-based 10 second delay timer. Test it in front of junkyard to prevent driving twice. The reason why I need it is because the Diagram I have Shows me 5 wires comming out of the Auxiliary relay and checking it there are only 4 wires and the one missing is the Jun 28, 2014 · This can be caused by a leak in the boot lid lock or a low pressure pump. Oct 22, 2021 · Mercedes-Benz SLK (R170; 1995 - 2004) Fuse Box Diagram. Jul 28, 2015 · No, I still think you'll have to tell us the marking on the PSE pump. 3/4/5/6 Download: 51. Can you tell me if my 1998 Mercedes W140 S320 has a K40 Relay module or N30 relay module. 19. Click on an image to find detailed resources for that fuse box or watch any embedded videos for location information and diagrams for the fuse boxes of your vehicle. Sep 7, 2023 · My PSE pump burnt out after a good 26 years on my 97 S320. What is NOT clear - the switch is apparently wired the the PSE pump (A37, pin #18), and not directly to the CA pump. You are quite right here. Hi everyone, my 94 s320 doors don't lock or unlock together, the headrests and the back up antennas also don't work, I was told to replace the vacuum supply pump underneath the rear seat, my part number is 140 800 0648. Sep 14, 2008 · K6JRF Auto Page. Pull the fuse in the trunk (think its number 9) and put it back in. #4 · Apr 19, 2017. 1995 S500 Wiring diagram pictures by lacraigslistmechanic - Photobucket. If the motor does not spin or sounds crunchy, your motor is the culprit. In this article you will find a description of fuses and relays Mercedes-Benz, with photos of block diagrams and their locations. May 6, 2009 · PSE PUMP W140. Unsolder the motor wires (note colors), and test the motor at 12v if you apply voltage ( the red wire is +12) you should have vacuum at the nipple Feb 22, 2023 · 9. The BEST or nothing. Be REAL careful when removing the drive "spider" from the motor shaft, as it is super easy to break the piece that is driven by the spider and holds the brushes. When the pump fails doors do not lock or unlock with key or key fob, fuel filler cap doesn’t lock or unlock, trunk lid does not soft close, trunk handle doesn’t come out or gets stuck extended, lumbar supports in both Apr 22, 2020 · Mercedes w140 pse door lock trunk latch pump change 1995 s500. You have to rig the circuit. PSE Pump Acting strange Any Ideas. I need small engine: The manufacturer of this small engine is a "JOHNSON". I left it hooked up through pump and may have crossed wires. In this, the pump uses a centrifugal force acting on the fluid surface to convert the mechanical energy. the arrow on the others pointing to the power and ground. Snipersking, kdarkman and JimF37. Before testing it make sure your car stereo works, if it's dead then change it's fuse before you go to junkyard. Notice that the PSE Pump is very clever, and can both Jun 14, 2021 · PSE pump central locking. Grey, connected to P- upper left (P-, which is for giving vacuum to the heater Rest function (AC flaps operating without engine on)); I think, if you have Jan 24, 2014 · bnZE430/1999 Discussion starter. Back headrest flip down so that circuit called P- ( PU ) is also fine . The manual is rare and was fitted only to the S280 – the gearbox was shared with the W124 and is a robust gearbox. Nov 9, 2020 · The S88/1 switch WORKS. #2 · Sep 21, 2011. 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 Remove the two E Torx bolts on the front of the power steering pump. uk/mercedes-sl-s-cl-r230-w220-c215-pse-central-locking-vacuum-pump-motor-impeller. Mercedes Benz W140 Electric Rear Headrest Motor Gear 19 Teeth Hong Mei Trading Co Ltd. 971 engine) Jul 11, 2016 · W140 Sunroof drain locations and pics? OK I need to clean all the drains in my W140s. I tried a 97 coupe pump and its different so I assume that 98-99 pumps is all that I can use. or Best Offer. Anyways, my SRS light illuminated while driving and that’s when i heard the water sloshing in the passenger floor area. Link to purchase item: https://x8r. 614 posts · Joined 2011. 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 The Pneumatic System Equipment (PSE) Pump does the closing of the doors and trunk with pressure. 1992-99 Mercedes Benz W140 Door Locking Vacuum Pump 0 132 006 357 OEM 0132006357. (1. Jan 15, 2019 · Here is my 1995 s500 and location of soft close vacuum pump. black-trunk lid grip. Dear Members . I also have been searching some information on the internet and it seems the problem is at PSE pump. SL500 vacuum pump issues - line key. Jun 1, 2008 · W140 S-Class. glove box to port XX on the PSE pump. I didn't cross any wired when I installed the new motor Dec 3, 2020 · The immobilizer function goes through the PSE module. S420L Apr 21, 2012 · The blend flap vacuum elements actuate the blend flaps (air from the heater core) for control of the air to the center nozzle. Problem is wi read more Mercedes-Benz. 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. 354. 2171 posts · Joined 2010. The pump, when operating normally, runs for 4-5 seconds, when not building enough pressure, it runs for 15-17 seconds. Mercedes benz w140 wiring Feb 3, 2021 · Do it right away as the W140 pump/motor is not robust enough like other Benz models where on other models one can be driving around for a year or two with no damage at all. Sep 8, 2009 · 1st generation W140 will operate just fine, however, you have to keep the pump in place to retain the center vent functionality. Component. gently holding the remaining carbon/graphite piece thats attached to the motor, power the motor up again. if the motor still stalls out, you have a motor problem and will be on your own if the motor spins fine then the issue lies with the carbon/graphite pump assembly! Jan 10, 2012 · 2. $179. 9 posts · Joined 2016. For Drazen in Virginiawww. If you go this route, you must unbolt the two bolts Jun 1, 2015 · Service, Repairs and remapping service. It is electrical in operation and has no connection with the PSE system. pull the motor up. 1- Black wire with Yellow strip and White dots. Dec 28, 2006 · Hi all, at the end I managed to identify wiring of the PSE vacum pump sockets, There are two socket : First one. 5v, 9v, doesnt matter) and listen. uk or alternatively you can phone Colin or Dave on 02380 445820, out of hours numbers are 07787913313 or 07907631681. After replacing my PSE pump this weekend I found that the door locks were locking and unlocking slowly and the pump ran for about 10 secs after the locking was completed. I purchased a rebuilt from George Murphy at 1245 Oak Ridge Turnpike Oak Ridge, TN 737830 Home 865-482-9175 George is MB National Tech Director MB Club of America. hicks Discussion starter · Jul 5, 2007. Confirmed. I have been able to identify a couple of them but I am chasing a leak. Also how to test the pump. In my life I owned and worked on many W140 S-class cars. I do have a wiring Diagram ,however this one is not showing a connection between the Auxiliary Fan Relay and the MAS Relay. The PSE unit is essentially just an air pump and some solenoid valves, all of which can be easily controlled by an Arduino and some relays. Soft close is not the PSE. Feb 10, 2016 · Remove the circuit board (same have screws holding the circuit board). 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. Dec 1, 2019 · It seems the 220's PSE pump is end of life, I opened up the PSE pump, the motor is fine, ( no burning, and runs smooth ). I am having trouble with my PSE pump. htmlSymptomsCentral locking not unloc Sep 1, 2015 · For repair inquiries or to purchase replacement motor please visit my site at www. #1 · Aug 29, 2011. Sort by Nov 13, 2023 · Pump vacuum electricDiagram wiring pump vacuum mercedes w140 1999 s320 power locking central benz window k38 pse forum starter relay lockout diagrams Universal relay wiring waterpumpWiring vacuum motors. transparent -HVAC. Like. I. I had a rusted sunroof drain that leaked water in the front passenger footwell. Remove the hose from the motor. does anyone knows how does this happen. -somehow I must connect lines from distributor's connector 5, 13 and 7. #1 · Jan 24, 2014. The green/red gets power from F4f11, so fuse 11 in the rear fuse box. To discribe further, i was in such a rush to use new gauge that instead of un soldering the motor and test it separate. See less See more 1 Save Share. 17. The vacuum line from the engine feeds that block. I don’t do a “repair service” on customer’s pump, I just sell complete, tested, ready to go units. Sep 21, 2011 · BLK95_CL500. Aug 13, 2010 · The early pumps to mid year pumps can cook the circuit board traces if the motor stalls, or shorts out. Mike Oct 19, 2015 · The vacuum distribution block is either in the passenger footwell behind the floorboard (early cars), or kick panel (later cars). I recently had to chase down problems with my PSE pump. This resets the assist pump protection. 2. 3- Red wire with Green strip. All hoses must go to the correct fittings. Disassemble PSE. The pump mechanism to these PSE pumps operates in a bi-direction (forward and reverse). diagram Bayhas I hope you receive that diagram from a12play12. Highlighted the cigarette lighter fuse (as the most popular thing people look for). If it fails on any door after 2 cycles, there is a problem with that circuit. 1992 - 1999 Mercedes 500SEL Central Locking Vacuum Pump Unit 0 132 006 350 OEM! (Fits: Mercedes-Benz S320) Nov 10, 2014 · 1997 s500 door lock actuator help. Nov 13, 2015 · Light green. The Pneumatic System Equipment (PSE) Pump is located in the Boot/Trunk in a foam lined compartment in the left rear fender well, above the GPS Navigation Unit and is hidden from view by the Boot/Trunk Liner. This is a debated area, so later or all models may require clearing of codes ($20 DIY code blinker can do this). 0 mb, 590 pages, . Aug 25, 2016 · As W140 owners, there are a lot of things that can go wrong and my PSE finally stopped working after some intermittent operation and final failure of remote door locks, trunk, and gas tank cover along with rear head rests, etc. Source. Feb 5, 2016 · when i tested i used some info to go on with wiring it for the test. As rebuild pump is not available, I found a new pump in Houston for $425. The closing assists to all doors now work. 95. Aug 21, 2017 · Alignment and screw tightening of the pump on to the motor is critical. Title: D:Classicetmwebetm`diagramw80202000xv. I replace it and after 3 times it burnt again. Was: $250. The power doors and trunk handle failed a few days ago. The pump you will need to replace is the PSE pump under the rear seat (passpenger side of the car) The item isn't cheap. 2003. pdf. WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market. Each solenoid in the PSE is wired to one of the relays. Share. Well, not does it only pull in those heavy doors on the S500 but it also op Oct 6, 2021 · Mercedes-Benz S Class w220 Fuse Box Diagram. I'm going to suspect that it may have to do with the optionally available IR keyless locking system. RestoreYourMercedes. Find many great new & used options and get the best deals for MERCEDES BENZ W140 Door Lock PSE Vacuum Pump A1408003248 0132006355 at the best online prices at eBay! Free shipping for many products! Jan 2, 2004 · 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 system, gas pump lid and lumbar support on seats. These components work together to absorb heat from one location and release it in another, effectively heating or cooling your home. Mercedes-Benz S Class w140 (1992) - fuse box diagram (140 545 50 00 SB 10. The pump is working, but there are some strange things going on. USD $14. jpg. I saw some on ebay including one with part number 140 800 0448. Its the closing assist pump. I have something like this on w140 at PSE pump, under the bench. The relay appears to be controlled by the range selector circuit in the shifter console. While replacing the defective PSE vacuum pump under the back seat, the 21 pin connector casing separated. Most of them had problems with the door lock pump aka PSE pump. And, remember; the CA pump operates by pressure, not vacuum, even thought. Steering System for Mercedes-Benz S-Class (1992-1999) W140: Power Steering Pumps Free Shipping over $99! Lifetime Replacement Program; 310-626-8765 Feb 17, 2023 · Just asking about the pin out diagram for W140 Bose amp . 4- Black wire. Stephen Yearout Discussion starter. pofzcvnzkpigamelsvxu