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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
29th November 2011, 01:00 PM
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Front D3 Air Suspension Rattle
Hello folks.
I bought a 2006 D3 A8 a month or so ago, and it has a rattle from the front suspension. It is a lightweight continuos rattle over joints in the road, drain covers and cobbles. It doesn't really clunk, it just rattles up to several times a second. I don't really get the problem on the open road or motorway, just around cities. It happens at all damper settings/ride heights. Are there any common weak spots for this? On other cars I have had similar rattles from top strut mounts and anti-roll bar links but the latter don't look obviously worn and don't have balljoints anyway. Thanks for any tips or experience. PS, the mileage is 180,000. 
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#2
29th November 2011, 02:47 PM
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Wow some mileage!!
Probably the upper suspension arms. They are well known for cracking, not completely but small cracks and obviously arn't as stiff as they should be. A quick bar in the joints at the bottom will tell you if the bottom arms etc. need doing. On Ebay you ca get pattern parts for them all really for a full front end set. At that mileage I would be.
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#3
29th November 2011, 04:29 PM
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Or maybe the anti-roll-bar links too, I had a rattle over bumpy roads and both needed done, not expensive. But at 180k, could well be needing a whole set of arms
__________________
2010 Jag XF 3.0D Portfolio S I know.. I know.. 
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#4
30th November 2011, 09:49 AM
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Thanks, I'll probably take it somewhere with a lift. It all looks ok just lying on my drive with a torch.
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#5
30th November 2011, 11:26 AM
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Interested to know what you find. I have the same rattle/knock as you describe with brand new drop/C-links fitted.
Bex
__________________
 07 Silver D3 A/S8L Quattro  S8 front end, Xenons, Bose, Bluetooth, Voice Control, Autodim mirrors, Heated folding mirrors, Double Glazed Windows, Electric Rear & Side Blinds, Black leather Comfort Seats with front memory seats & mirrors, Front & rear heated seats, Interior/Exterior light pack, TV.I.M, AMI, Parking sensors Front & Rear, Air suspension (soon to be lowered), Keyless entry & Start/Stop, 4 zone climate control, Power Boot Open/Close.
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#6
30th November 2011, 06:42 PM
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Oh dear Bex, I just ordered some C-links.
I will let you know how I get on, everything else looks ok, so I suspect something internal to the airspring damper assembly if symptoms persist. 
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#7
30th November 2011, 09:11 PM
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Pretty sure mine isn't the actual strut itself, just doesn't sound like that at all, I can also feel the slight rattle/knock from both the passenger and driver footwells, can you???
Bex
__________________
07 Silver D3 A/S8L Quattro S8 front end, Xenons, Bose, Bluetooth, Voice Control, Autodim mirrors, Heated folding mirrors, Double Glazed Windows, Electric Rear & Side Blinds, Black leather Comfort Seats with front memory seats & mirrors, Front & rear heated seats, Interior/Exterior light pack, TV.I.M, AMI, Parking sensors Front & Rear, Air suspension (soon to be lowered), Keyless entry & Start/Stop, 4 zone climate control, Power Boot Open/Close.
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#8
1st December 2011, 02:31 AM
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are you sure its not the exhaust knocking somewhere if you can feel it in so many places Bex?
__________________
Confidence is the feeling you have before you know better . . . .  Audi A8 D2 3.7 Quattro Sport 1999 FL - Melange 2nd Place Winner - A8-Freunde Annual German Meet 2012 at Edersee 20" x 9" Bentley GTC Wheels with 385mm W12 Front Discs & Bentley Caliper Covers, Front Lowered on Coilovers, Xenons, Combined DRLs and LED Foglights to modified OEM front fog lamp position, Alcantara/Leather, Full Black Alcantara headlining + pillars and blind shelf, Bespoke Flat Bottomed Sports Steering Wheel, Dark Myrtle Wood, Autodim Mirrors, Bose, Blinds, Digital TV, Ski Hatch, Modified rear exhaust section for extra V8 Burble  Audi S8 D2 Final Edition 2002, Avus Silver with Red Leather Interior Tiptronic with Sport mode button, Sony rear entertainment package, Bose sound system, Audi Navigation Plus, 20 inch Final Edition alloys, Full Cat Back Stainless Milltek exhaust, giving a great V8 burble Audi A8L D2 4.2 Petrol with LPG - Ebony Black Audi A8L D4 FL 4.0T Petrol twin turbo - Havana Black Audi A2 1.6 FSi Sport - Dolphin Grey with Votex body kit and Red Leather Interior and some other A8's A8L's and Mercs
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#9
1st December 2011, 05:24 AM
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Quote:
__________________
Currently 8less 2011 Q7 S Line 3.0TDI, 2016 Tesla Model S 90D 8 history: 2006 A8 Sport 4.2TDI quattro SOLD, 1997 S8, reached end of life with gearbox failure
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#10
17th December 2011, 07:53 PM
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Well, I managed to get around to fitting these today using the Elsa manuals and some FEBI parts from ebay <£50/pr.
Problem solved, feels somewhat tighter and refined at the front too, the old ones where shot and bushings delaminated. Thanks for all the tips. I hope you find yours is something simple (and cheap) A8Chick.
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