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Diagnose my knock

Posted: Fri Dec 17, 2010 3:19 pm
by someguy
Hi All.

Been chasing a strange knock on the L and close to a grand later still have not got it.

The symptoms: Decelerating/Driving/Rolling at speeds bellow 35km/h makes a snap-clunk-snap-clunk-snap-clunk noise from the front end of the car which is aggravated by quick corners/tight steering.

Things I have replaced within the last 2 weeks:
* Both front driveshafts (full assembled shaft) (so no bad CV's)
* Engine & Gearbox Mounts
* All front end bushes

I am also getting a single knock when I put my foot on the brake to slow down (almost as if the pads are moving a bit) but not sure if thats related. (could this knock be related to an issue with the calipers maybe?)

Any ideas as its driving me insane?

Thanks

Posted: Fri Dec 17, 2010 4:52 pm
by TOONGA
sounds like one of your disc pads is doing a merry jig in the caliper

TOONGA

Posted: Fri Dec 17, 2010 6:12 pm
by wrxer
get somone else to drive car slowly past you or around you in a circle as you listen for noise. try to pinpoint its source to which side and weather its at brakes or inboard. try pulling handbrake on a couple of clicks or riding brakes, this will show up rattly pads or calipers.
if brakes dont affect one or all noises, jack wheel up and shake rattle and roll it to see if you can make it make its noises so you can pinpoint source.

Posted: Sat Dec 18, 2010 11:29 pm
by steptoe
it is that empty beer bottle under the front passenger seat transfering against all logic towards the front engine bay :) Surely a 28 dollar fouteen pont inspection would find at least something near the source?

Posted: Wed Dec 22, 2010 10:06 am
by someguy
Ended up finding out what is was.

Was the pads.

thanks to wrxer I drove slowly and engaged the handbrake and the noises stopped straight away but when I disengaged the handbrake the noise came straight back instantly.

So might pull the calipers off this weekend and have a fiddle

noise

Posted: Wed Dec 22, 2010 2:28 pm
by poprock1
Thanks, been lurking waiting for the answer.:-D