Hi all, I have a 1995 Commodore Ute and it has a brake shudder, BUT, only intermittantly. This morning I have stripped the front brakes down, cleaned them up and reassembled. Couldn't see anything obvious. I would suspect a warped disc but it is only intermittant. Could this be a slightly bent rim! It's as though there is a 'sweet spot' where this will happen, almost as if both front wheels need to be in a certain rotation with each other because it will be fine, then I turn a corner (changing the rotation position of each wheel) and there it is. I haven't looked at the back brakes yet (also disc) but will do soon. Any ideas or experiences would be appreciated. Cheers.
a.woodrow,
Apr 26, 8:07pm
Warped discs most likely, gets worse with use!
40wav,
Apr 26, 8:08pm
Cheers, Do you mean as they get hot!
tonyrockyhorror,
Apr 26, 8:51pm
Wheel alignment (including suspension bush checks) and wheel bearings should be looked at as well as runout on the rotors.
a.woodrow,
Apr 26, 8:58pm
Yep - if you mean intermittant as to be worse when brakes hot, this is what you would expect from warped discs
40wav,
Apr 26, 9:38pm
Cheers, wheel alignment seems good as tyre wear is very even and it doesn't pull to either side, bearings sound and feel ok. Intersting about the suspension bushes. How do I check them please!
40wav,
Apr 26, 9:40pm
No, went for a drive after this mornings work and all was cold. Would be good, turn a slight corner and try again and shudder. This is all in about 5 km. Will be the same on a long run too. Intermittant right through cold and warm running.
40wav,
Apr 26, 9:41pm
Also, what do you mean by 'runout on the rotors'! Check for thickness!
tonyrockyhorror,
Apr 26, 9:50pm
Runout - warpage. Easiest to check with a DTI.
tonyrockyhorror,
Apr 26, 9:51pm
By levering and observing.
40wav,
Apr 26, 9:57pm
That's great. Cheers all for the replies and help. Some things for me to go on with.
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