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D2 - Interior Electrics Airbags, Sensors, climate modules, instrument clusters, switches etc |
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Thread Tools | Display Modes |
#1
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Has any of you done this?
Both front seats in my car have leaky lumbar support. I've taken apart one of the seats and will be doing a leak test to see where its actually leaking from. I can't find much info on this online so will post here and update you with my findings. So far I've tested the air bags themselves and they are holding up just fine so the fault must be somewhere else in the system. |
#2
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I took a scrap one apart to see what was in it and where the lumbar support went, but never got as far as finding where the leaks are so I'm interested to see what you find out
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#3
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Very interested to see if you have a sensible solution to this, both my lumbars leak, but as noted in another thread a lump of foam slid behind the centre back section is a pretty good substitute.
![]() My conclusions, testing but with limited access, were: 1. It's almost certainly the valve unit that's leaking. (Smaller rectangular item in your picture) 2. I can just about reach it but after looking at a dismantled seat at MJs last year decided it was a PITA job "for another day". 3. I bought a spare valve unit anyway and will try to jury-rig it in sometime. You can just about disconnect the pipework and wiring without taking the seat apart and possibly place the replacement unit lower down leaving the original in situ. 4. Taking the seat apart and especially putting it back together is not a job for an amateur!
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2003 D2 FL S8. Irish Green Pearl/Beige. Solar sunroof, auto-dim mirrors, electric rear seat functions, ski hatch retrofit; extended leather. Aftermarket DVB-T, reversing camera and full XCarlink (Bluetooth etc.). 2016 Volvo V40 T5 Cross Country (4WD) with ALL the toys including adaptive cruise etc. etc. Osmium Grey with Blonde/Charcoal leather interior. Polestar performance "optimisation". ![]() ![]() Finally: gone, but not forgotten..... 1998 D2 PF S8. AgateGrey/Platinum. Every option (I think) except electric rear seats, tiptronic steering wheel, ski hatch, towbar & dimming door mirrors. e.g. Cruise control, NavPlus/TV, Bose, GSM, Xenons, Solar roof, Parking sensors, Alcantara/leather everywhere of course. ![]() 1998 (very early) Ford Focus 1.8 Zetec; ABS/TCS, Heated screen/mirrors, Aircon, Auto-dim mirror, Leather, Trip computer, Cruise control, OEM Ford SatNav with CD changer. And before that a lot of Rover 800s, a few oddities, a lovely Triumph Dolomite 1850HL with Overdrive and way back in my schooldays an Austin Seven aka Mini 850! Last edited by HPsauce; 14th July 2020 at 07:26 AM. |
#4
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And I too have a slowly deflating lumbar support and an interest in this
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2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind. |
#5
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My first ever D2 had this issue, but it was fixed by Audi under warranty so I've no idea what it actually was, and I've never had it on any D2 since - But will be interested to see the findings
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For parts enquiries and Forum User Administration please contact customer services directly, not me ![]() The Daily Town Car - 2023 Tesla Model Y Performance. Black with Black. Giant ipad screen, huge sunroof, 4 wheel drive, Tow bar, lots of ooomph and made in China, so actually built properly unlike the Californian ones. The Family Wagon - 2018 Tesla Model X. Black, 7 Seats, Towbar, Homelink, Enhanced Auto pilot with Summon and self park, Heated front seats, CCS Charger upgrade, MCU2 Upgrade, Falconwing Doors, Self opening / closing doors, Netflix, Spotify, toys, Air suspension, alcantara roof + lots of other stuff...... The 17 year old Driver Wagon 2015 Skoda Citigo Monte Carlo. Alloys, Power steering, Aircon, Leccy windows, Sat Nav, bluetooth, central locking, cup holders, 59 whole bhp. Million times better than my first car. Well jealous..... The First 20 Audis: 2001 D2 4.2 QS Silver, 1997 D2 S8 Silver, 1999 D2 4.2 Silver, 2002 D2 S8 Dolphin Grey, 2003 C5 RS6 Blue, 1998 D2 S8 Black, 2000 D2 4.2 QS/S8 Ming Blue, 2003 D3 4.2 Ming Blue, 2005 B7 S4 Blue, 2006 D3 3.0 Tdi Black, 1999 D2 4.2 Silver, 2003 D3 4.2 LPG Crystal Blue, 2000 D2 S8 Silver, 2007 3.0 Tdi Q7 Black, 2009 B8 S4 Black, 1998 D2 S8 Agate Grey, 2006 D3 4.2 Tdi Blue, 2006 D3 S8, 2007 Q7 3.0 Tdi, 2006 C6 S6, The Second 20 Audis: 2011 A7 Sline, 2001 A2 1.4 Tdi Black, 2002 A2 1.4 Tdi Silver, 2006 A8 4.2 Tdi Blue, 2007 4.2 Tdi Q7, 2006 S4 Cab Silver, 2010 RS6 Saloon Black ![]() 2010 A8 D4 4.2 Silver, 2006 C6 A6 2.7 Tdi Quattro, 2000 D2 4.2 QS/S8 Ming Blue (again), 2008 Q7 4.2 Black, 2009 C6 RS6 Saloon Daytona Grey, 2001 Fully Loaded A2 Tdi, 2006 Avant S6 Black, 2007 VW Caravelle Exec Black (almost an Audi) 2009 TT Roadster Daytona, 2015 Q7 4.2 tdi lava grey, 2002 GmbH D2 demonstrator, 2006 D3 A8 LWB 4.2 Tdi Black Most Recent Audis: 2001 A2 1.4 Tdi Black, 2007 4.2 FSi Q7 ABT Blue, 2016 S5 Coupe Launch model, 2004 S4 B6 Cabriolet, 2016 Q7 Sline White, 2006 Q7 4.2 FSi Black, 2012 Q7 Sline+ 4.2Tdi White, 2008 Blue Audi S8 Everything Else 1989 Subaru Justy, 1986 Vauxhall Cartlton 2.0 GL, 1985 Vauxhall Carlton 2.2 CDi, 1987 Ford Sierra XR4x4, 1983 Vauxhall Senator, 1985 Vauxhall Senator 3.0i, 1997 Polo Saloon, 1997 Peugeot 306 1.9 TDi, Ford Sierra Sapphire 2000E, 1990 Subaru Justy, 2000 Subaru Impreza, 2000 Subaru Impreza RB5, 1993 Range Rover LSE, 2005 VW Bora, 2003 Skoda Superb, 2003 VW Passat V6 4 Motion, 1996 Peugeot 106, 2000 Range Rover 4.0, 2019 Tesla Model 3 Performance |
#6
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OK, i tested every single part of the air system and found it all to be OK except for one of the outlets on the valve block, it has a little crack that quickly lets air out. My car is a 2002 so i doubt it was ever fixed.
The second pic shows the brass insert with an O ring, and the red lines show how tall the 'collars' so to speak are. Only one (the tallest one) is cracked. I'm not gonna risk fixing that with some epoxy after taking all this time to carefully take apart the seat, i think ill look for a similar pump in other VAG models, or maybe pre fl A8 had a metail manifold on the valve block or something... I also thought about submerging the whole thing in some sort of liquid rubber or tar and letting it set, but thats a bit extreme. suggestions are welcome. Last edited by Ronin; 14th July 2020 at 06:24 PM. |
#7
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New replacement valve block is 204 eur on audi tradition.
I'm already thinking of adapting some generic part to do the same thing such as this, its 14.99 on ebay |
#8
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Quality German plastic strikes again
![]() Could you extend the pipework and put the pump in the seat base? Then you could epoxy it knowing that it's relatively easy to get to if it fails again. |
#9
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yes that is very doable I just have to find the correct size tubing hmmm good idea.
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#10
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Update:
7 series e38 valve block appears to be suspiciously similar to the audi one, except they don't seem to have the cracking issue as the inlets are completley recessed in the plastic. I bought one to try and will let you know how it goes. |
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