Question about 2001 Audi A4

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Audi a4 hey i have the same problem as you with the knocking at start up, just wondering if you ever figured out the problem and if you did what it was.

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PISTON SLAP(MOST NOTICEABLE WHEN COLD) NOT GOOD

Posted on Feb 19, 2009

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    chain saw Feb 19, 2009

    BIG END SHELLS NEED REPLACED CHEAP TO BUY

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I've changed my engine mounts 3 times on my 2004 A4 cabreolet and they fail within miles(start to vibrate & then within a week, severe knocking) the 2nd time, also changed the ****** mount, 3r


Engine mounts do not go bad in five miles. Sounds like you're treating a symptom and not the cause of a more serious issue. Are you sure all cylinders are firing correctly? That the severe knocking is not coming from your engine internals? Have you checked the steel around the engine mounting points for cracks or other damage? And just in case, if the mounts you are using are poly, are you lubing them before installation?

Aug 31, 2012 | 2005 Audi A4

2 Answers

2006 AUDI A4 2.0 HAS A HIGH PITCH SQUEAL AT IDLE TAPERS OFF AT HIGHER RPM -THEN MAKES A WHINING NOISE WHEN ENGINE IS SHUT OFF --ANY IDEAS?


hey not sure if its totally right but the high pitch squeal at when its idleing could be the tentioner pulley bearings on the engine belt not sure about the whining noise when its shut off

Oct 04, 2009 | 2006 Audi A4

1 Answer

2000 Audi a4 qauttro Knock Sensor 2 Circuit Low Input (Bank 2) Where is it located please help.


The knock sensors are mounted down low on either side of the engine block, and are not very easy to reeach/remove.

Sep 19, 2009 | 2000 Audi A4

1 Answer

Knocking on near side when in reverse with full lock or at times when turning corners car model audi a4


the cv axle joint is gone bad you need to replace the axle and that will kill the knocking

Jul 09, 2009 | 1996 Audi A4

1 Answer

ThenI start my engine it sounds like diesel and no power


how is the oil level and pressure?, how many miles on engine? is this a loud knock or rather a clatter/ticking noise? knock is engine rod or crankshaft bearings, clatter loud ticking is valve follower noise. how long before it (the noise) goes away?

Jan 20, 2009 | 2001 Audi A4

1 Answer

Turn off rear sensors on audi a4 2001 1.6


yes but you need vag.com or dealer software to do it..

Nov 25, 2008 | 2001 Audi A4

2 Answers

Loud mechanical knock in engine 2.8 a4 Audi 1996


it's probably a rod knocking and that's never too good. get it checked out with a mechanic soon. Some auto parts sell stuff to stop that so you can go there and ask they usually help you, but it won't solve the problem it will just stop the noise for a little bit.

Oct 30, 2008 | 1996 Audi A4

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