I had same issue on my 99 a6 and it ended up being two different things. I had a bad wheel bearing and also my rear brakes where going bad and grinding so I changed al that and I also had bad boot on my front axle and just ended up changing the whole axle just to be safe. I would check these things I listed. If the axle is bad it will click when turning but I have seen them go bad and not click and give a rumbling sound like when wheel bearings go bad and it will do this in a straight line or turning. Hope this helps ya
I had a grinding and whining noise, and it turned out to be a bad wheel bearing. Had to have it replaced, and just in time. The shop took over an hour just to get the worn bearing out. Bad or faulty wheel bearings can make a grinding or a whining or whirring sound that mimics the sound of worn brakes.
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This may sound obvious, but I would have your brakes checked out, just to rule them out. Many shops will do a free brake inspection.
If the noise is coming from the engine, look for a "Check Engine" light. If you see that, then have someone hook up a scanner to check the codes thrown by the car's computer and go from there.
A grinding noise is not something you want to put off or wait to fix.
SOURCE: there is a whizzing noise when changing gear Audi a3 55 reg!
if its only when you put your foot on the clutch it could be a release bearing fault,does it do it when you are not moving and put your foot on the clutch(engine running of course)
SOURCE: A4 quattro rear end thumping noise when turning left or right
all wheel drive i presume... i would suggest it's a universal
joint ... or cv joint if you will
This picture is actually of a machine but cars are basically the same design
SOURCE: Turbo cut out, audi a3, 2.0 TDI, registered June 03, UK
Could be low oil level indicator tha auto shuts of engine if oil goes low
SOURCE: Lots of turbo noise on my Audi A3 TDI
i have no dash lights coming on so carn't stat it, i drive an 2004 sportback a3 tdi
SOURCE: My Audi A3 2.0 tdi limp mode/turbo overboost
i also have done a diagnostic test and it states a turbo overboost condition and it drives fine locally but loses power on the motorway and struggles to reach 80mph? any suggestions please email me at [email protected]
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