[200q20v] fuel smell and Mysterious rear clunking
b.m.benz at prodigy.net
Thu Dec 6 23:09:01 EST 2001
Clunking over bumps? Rear I assume. Check the upper camber adjusting link,
in particular the outer ball joint. I have had to replace one (with a good
used one from the AW) and relubed both with a hypo needle thru the boot.
> From: stevequattro at aol.com
> Date: Thu, 6 Dec 2001 23:55:20 EST
> To: b.m.benz at prodigy.net
> Cc: 200q20v at audifans.com
> Subject: Re: [200q20v] fuel smell and Mysterious rear clunking
> Haha, true.
> Hey thanks Bernie. You were right about only the inner rear bushing needing
> replacment. Did not have to spend $$ at the dealer for the others after all.
> However, turns out it was not the source of my mysterious clunking over bumps
> on that side (Bilstiens in fine shape too). Darn.
> Turns out there is something wrong with the caliper. Seems there is some play
> when I grab and push/pull on the caliper (in the direction of piston
> movement). The other side is tight as it should be. Rotors look like they
> have been kept clean by the pads so I do not think the piston is seized.
> Also, the movement (play) is gone with the parking brake on, indicating that
> the piston does provide a clamping force. The mounting bolts are secure and
> I do not see any visable damage to the hub or caliper.
> I would not think that the piston would be able to retract in its bore to
> allow movement, so I am not sure what could be the source.
> Did not have time to remove/clean/reinstall today though. I will post my
> findings when I do.
Check and relube the caliper guide pins.
> Steve Hauptmann
> South Carolina
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