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| D2 - Axles, Brakes, Suspension and Steering Brakes, Springs, shocks, steering racks, steering columns, suspension arms, wheel hubs etc. |
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#1
21st March 2010, 04:35 PM
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HELP! Urgent! Serious rear suspension problem
Help!
Drove to work, all was fine. Came out of work, and realised that the car was really, really bouncy on minor bumps. I've managed to nurse it the couple of miles home but it was extremely uncomfortable. Both arms on the rear suspension seem to be completely "Jacked up" to their highest extent. I can't see any obvious oil leaks there. I can't think of any particular impacts to have caused this. It went over the speed bumps in the work car park fine. I have had some turf in the boot recently which was heavy, but not excessively so. What on earth has happened, and how do I fix it? The car is now completely undrivable. I didn't think A8s had ridiculous rear air suspension, I am now seriously worried how much this might cost. 
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#2
21st March 2010, 04:45 PM
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It's a D2 isn't it? Shouldn't be air suspension. It's a problem that can occur on D3s where the system springs a leak or the compressor goes.
Seems strange that both sides have gone at once though. No obvious signs of a mechanical failure? Some pics might help point us to an answer.
__________________
2010 Jag XF 3.0D Portfolio S I know.. I know.. 
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#3
21st March 2010, 04:54 PM
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No obvious signs of mechanical failure at all, or indeed any odd noises beforehand. There really isn't much to see from the outside apart from the car being massively high on both sides!
Still, might be a chance to fit sport suspension... Although as you say, why have BOTH sides gone? Edited to add- It's a 1998 D2 PF (Non-sport) Last edited by carrotchomper; 21st March 2010 at 04:57 PM.
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#4
21st March 2010, 05:23 PM
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Just realised you said 'up' not down
 That's a new one on me. Do the shocks look OK? Has one maybe failed (or lost the top mount) and the spring is pushing it up? Might also explain the bounciness if a shock (or both) isn't working.
__________________
2010 Jag XF 3.0D Portfolio S I know.. I know..
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#5
21st March 2010, 05:37 PM
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TBH I am a complete nincompoop so don't know what they are meant to look like! Outwardly look OK though, but why both?!?!?
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#6
21st March 2010, 08:12 PM
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its a long shot, but self levelling (hydraulic) suspension was an option on the non-sport A8's.
If you had it, and it had developed some weird fault with the valve wedged open, it could explain the fact that both sides have been affected? Otherwise, the suspension on both sides is totally independent... The build codes on your buidl sticker in the spare wheel well or service book would reveal what you have fitted....
__________________
For parts enquiries and Forum User Administration please contact customer services directly, not me  - enquiry@a8parts.co.uk, www.a8parts.co.uk, or call 01642 783537The 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  , 2007 TT Roadster, 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
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#7
21st March 2010, 08:44 PM
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Quote:
1BN = Suspension/shock absorption, automatic level control system I suspect this is one option I didn't want to have. Is it possible to replace this with standard suspension or am I looking at an expensive trip to Audi- And moreover will this raise a fault code on Vagcom?
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#8
21st March 2010, 09:42 PM
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Makes a lot more sense now
Seeing as it's a PF D2 you've got, I'd imagine that it's a bit more of a brute-force independent system that's installed, though no doubt Ian will be along with a scary story in a bit. Might be something you can release and re-set though.
__________________
2010 Jag XF 3.0D Portfolio S I know.. I know..
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#9
22nd March 2010, 11:50 AM
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Looking at it today, it seems as if one of the suspension legs has "popped out" at the top of its travel. I'm hoping that the automatic levelling has reacted to this and therefore made the other side the same height... Just been recovered to the local Indy so I will see what they say. If it's expensive, then a new sportier suspension set up may be going on- Any recommendations?
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#10
22nd March 2010, 07:03 PM
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Wow.. the 2nd car ever that I've known to have it fitted... Yes, its that rare...
Interestingly, the oil filled shocks are usually the problem, and they sound like they might be working order so in all seriousness, hang on to them as they would be worth something to those that are seeking them.... As for replacing the sport springs, sure thing dead easy. The self levelling suspension is pressurised from the power steering pump and an extra hydraulic line runs the length of the car to the rear to a mechanical valve that opens/shuts in reaction to the suspension position relitive to level. I guess this valve, or the linkage to it has gone astray. It doesnt sound a big job to fix, but if you want to go for 'standard' setup then you just remove all the self leveling stuff and seal up the hydraulic feed, then pop standard shocks in its place... You'll want to change the springs too, and do the front ones if you want it all to sit at the rigth height for a 'sport' look... Very do-able.... any chance we can get a photo of the 'dragster look' before you fix it? 
__________________
For parts enquiries and Forum User Administration please contact customer services directly, not me - enquiry@a8parts.co.uk, www.a8parts.co.uk, or call 01642 783537The 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 , 2007 TT Roadster, 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
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