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| D3 - Axles, Brakes, Suspension and Steering Brakes, Springs, shocks, steering racks, steering columns, suspension arms, wheel hubs etc. |
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#1
6th October 2014, 09:22 PM
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Replacing the Suspension Controller unit
Folks - have replaced the compressor for the air suspension (brand new unit) and the bloody light still comes on after some time
 Was told it's probably the control unit so have got one from A8 Parts. So - has anyone replaced one of these and if so, how did you do it (I believe it's under the carpet on the passenger side - just below the glove box). Plus once replaced, does it need coding? Cheers
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Andy. Current cars: BMW i4 M-Sport Peugeot 207 (the sons) Triumph Daytona 675 (2017 reg) =========================== Gone but not forgotten Ford Focus ST-2 Mk3 (the wifes) (stolen Oct 2023) 1972 T2 Bay Window Camper (Slow) Audi TT Mk1 225 - now with coil-overs and a 7inch touchscreen infotainment centre 2003 A8 Sport 4.2 (with ACC & LPG) (Feed up with all the issues so passed it on to a forum member) 2000 A8 FL QS 4.2 (with RNS-E - Nice  ) (Engine poorly so sold on to be brought back by someone who has the time)
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#2
7th October 2014, 06:37 AM
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I got no idea where it is or how to replace it but have you scanned the system to check for codes?
If the unit needs replacing I thought it would be obvious with codes supporting it?
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[center] 06 3.0TDI Quattro: Options: Soft close Doors & Boot, Electric Blinds, Keyless Entry & Start, Bluetooth HandFree, Quad Zone Climate, APS+, 3 Spoke Sports Tiptronic Multi Function Steering Wheel, Heated Seats All Round, Black Leather Comfort Seats, AMI, Sunroof, Drivers & Passenger Electric Memory Seats, Auto Dimming Mirrors, Bi-Xenons AFS2, Dab, Digital TV, Reversing Camera, AV Inputs, Fridge, Solar Roof, TPMS, facelift rear lights, 3G, remote boot closure, Tow Bar.
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#3
7th October 2014, 08:30 AM
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An Audi engineer replaced the compressor and when told the car still had the same issue he diagnosed it as the controller so for a small outlay I thought I'd get a replacement.
If no one can help then I will pass it back to him to fit. Cheers anyway.
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Andy. Current cars: BMW i4 M-Sport Peugeot 207 (the sons) Triumph Daytona 675 (2017 reg) =========================== Gone but not forgotten Ford Focus ST-2 Mk3 (the wifes) (stolen Oct 2023) 1972 T2 Bay Window Camper (Slow) Audi TT Mk1 225 - now with coil-overs and a 7inch touchscreen infotainment centre 2003 A8 Sport 4.2 (with ACC & LPG) (Feed up with all the issues so passed it on to a forum member) 2000 A8 FL QS 4.2 (with RNS-E - Nice ) (Engine poorly so sold on to be brought back by someone who has the time)
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#4
7th October 2014, 08:40 AM
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__________________
[center] 06 3.0TDI Quattro: Options: Soft close Doors & Boot, Electric Blinds, Keyless Entry & Start, Bluetooth HandFree, Quad Zone Climate, APS+, 3 Spoke Sports Tiptronic Multi Function Steering Wheel, Heated Seats All Round, Black Leather Comfort Seats, AMI, Sunroof, Drivers & Passenger Electric Memory Seats, Auto Dimming Mirrors, Bi-Xenons AFS2, Dab, Digital TV, Reversing Camera, AV Inputs, Fridge, Solar Roof, TPMS, facelift rear lights, 3G, remote boot closure, Tow Bar.
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#5
7th October 2014, 10:34 AM
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Cheers - already have that. Doesn't tell you how to remove it.
I removed the carpet and can see it, but it's tucked behind a lot of parts and looks difficult to get out. Just wondering if there is any advice on who/what to do 
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Andy. Current cars: BMW i4 M-Sport Peugeot 207 (the sons) Triumph Daytona 675 (2017 reg) =========================== Gone but not forgotten Ford Focus ST-2 Mk3 (the wifes) (stolen Oct 2023) 1972 T2 Bay Window Camper (Slow) Audi TT Mk1 225 - now with coil-overs and a 7inch touchscreen infotainment centre 2003 A8 Sport 4.2 (with ACC & LPG) (Feed up with all the issues so passed it on to a forum member) 2000 A8 FL QS 4.2 (with RNS-E - Nice ) (Engine poorly so sold on to be brought back by someone who has the time)
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#6
7th October 2014, 01:36 PM
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Are you sure its not simply the suspension relay which is a common failing part, unlike the controller. A failed relay can cause the compressor to run on and eventually burn out, even though the controller has attempted to shut it down. Would give the symptoms of a failed controller because the suspension is not doing what the controller asks.
If you ever replace the compressor, replace the relay at the same time otherwise the replacement compressor could die as well. With the D3 VCDS seems to be an ownership requirement, as it saves so much time and trial and error.
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Manny 2004 A4 1.8T Sport Cabriolet, 89K Miles Past 2004 D3 A8 3.7 Quattro, Xenon, Bose, Blinds, Solar Sunroof, TV, ACC, phone and almost every option. 168K miles rising slowly with retrofit AMI and DVB-T in place of Analogue 2003 Volvo S60 D5 SE Manual, 197K miles. 2001 D2 A8 3.7 QS, Bi-Xenon, Bose, Blinds, Electric Everything, retrofitted RNS-D, 191K Miles Last edited by mannyo; 7th October 2014 at 01:39 PM.
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