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  1. #1
    Chriscooke's Avatar
    Clueless!

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    Unstable/floaty rear end + knock

    My car has become unstable at the rear while cornering. I've checked the springs etc but could see nothing untoward. The car has developed a knock from the rear also which appeared at the same time. The back end actually stepped out off throttle the other day which was fun yet concerning..

    What bushes etc could be at fault? Suspension top mounts perhaps?

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  3. #2
    Bradderz_1988's Avatar
    Dont replace it, Upgrade it !!

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    On these cars its likely that all of them will need doing along with roll bar bushes and drop liks and also the rear control links the knocking could be the middle box hittng the n/s/r lower arm !!
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  4. #3
    Chriscooke's Avatar
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    It does sound like an exhaust nock but I've tried to replicate it with the car on the ground and on ramps with no success

  5. #4
    Bradderz_1988's Avatar
    Dont replace it, Upgrade it !!

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    Push the exhaust tailpipes towards the n/s of the car you may get it to knock if it only does it round right hand corners then this will 99% be your problem.
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  6. #5
    Chriscooke's Avatar
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    It'll only do it over bumps tbh. When I corner hard there is strange noise as well but I can't really describe it. I'm guessing I should check the wheel bearing also?

    Will try pushing the exhaust towards the nearside to see if I can make it touch. The exhaust seemed in better condition than I expected when I had a look under the car the other day.

 

 

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