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D2 - Transmission Gearboxes, diffs, drive shafts.

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Old 25th December 2019, 09:33 PM
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27litres 27litres is offline
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Join Date: Jan 2014
Location: Belgrave, Australia
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A little late to this conversation Jim, but i had an issue a few years back now with my A4.
Had a difficult time diagnosing it.
The car would suddenly start feeling like someone had nailed a lump of wood to one of the rear tyres. Just as it get to the point of pulling over it would go away.
Finally associated it with road bumps and the suspension getting close to bottoming. That lead my mechanic mate to say "It'll be dry grease in your rear CVs".
The grease near the edges of the CV outside of normal movement will dry out over time, and that because the rear CVs never articulate a huge amount, the dry grease is near the edges. Get a decent movement of the suspension over a bump or rut and a bit of dry grease can get pulled into the CV and be a solid lump that the CV must pulverise into submission!
He was right! Cleaned and regreased all 4 rear CVs and the problem never returned.

May not be your problem, but food for thought...


2001 Audi S8 - Brilliant Black with Black interior, C5 RS6 rims (whenever I actually put them on...), Solar Sunroof, Tinted side and rear glass, RNS-D, Grom, Bose, clunky old phone in arm rest!
2002 Audi S8 - Project
Replacement head coming arrived thanks to MJ
Silver with Black interior. All features as the '01, with the 'S' mode auto shifter. Dodgey rear tint (need to find a way to get rid of that).
2009 Volvo XC90 V8 R Design
- has a louder more obnoxious exhaust than the S8, sounds great! Love this thing - Q7 was double the price, and certainly not double the car!

1997 Audi A4
- Hamilton's Club Sport, Achat Grey (will miss the old girl)
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