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-   A4-B6 - (Typ 8E/8H, 2001–2005) (https://www.audiforum.ca/a4-b6-typ-8e-8h-2001%962005-76/)
-   -   diagnose loud knocking noise??? (https://www.audiforum.ca/a4-b6-typ-8e-8h-2001%962005-76/diagnose-loud-knocking-noise-53981/)

QT 03-05-2010 11:10 AM

diagnose loud knocking noise???
 
I seem to be experiencing a loud knocking noise from the front end, which so far is only happening when letting my foot off of the gas after acceleration...I was told it could be cv joint, but i was wondering if anyone else has experienced something like this?

MattRaczka 03-05-2010 07:13 PM

Re: diagnose loud knocking noise???
 
Noise can be from:
- front suspensions arm, ball joints
- brakes
- driveshafts

QT 03-08-2010 06:11 AM

Re: diagnose loud knocking noise???
 
going over speed bumps it feels loose and I can hear clunking!

K04-S4 03-08-2010 12:19 PM

Re: diagnose loud knocking noise???
 
Hoisted Suspension Inspection Time.

GeneKam 03-08-2010 12:44 PM

Re: diagnose loud knocking noise???
 
if its in the engine bay then its probably you using low quality/ grade gas. if you using 91, then it could be some of the stated above, if your using like 89 or 87 try using 91 might fix it.

QT 03-08-2010 12:53 PM

Re: diagnose loud knocking noise???
 
no no, i use 94 octane...it's not coming from the engine; it's coming from the driver-side tire area...i just bought some coil-overs, so maybe now is a good time to get the job done!

QT 03-09-2010 06:56 AM

Re: diagnose loud knocking noise???
 
added to the loose feeling in the front end...it feels like the car is sliding when turning sharply in the parking lot!

bbboy 03-10-2010 12:51 PM

Re: diagnose loud knocking noise???
 
Tie-rod ends

QT 03-11-2010 01:20 PM

Re: diagnose loud knocking noise???
 

Originally Posted by bbboy (Post 129212)
Tie-rod ends

do you say that because of the rattling, or because of the gliding effect when turning?

vgorous 03-12-2010 11:34 AM

Re: diagnose loud knocking noise???
 
get your whole control arms replaced. When was it last done? Some places who does wheel alignment will check all those before performing anything, and they wont do anything until you get it fixed.


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