Quote:
Originally Posted by TimFreeh
I replaced the rear rotors and the shuddering totally disappeared. Many thanks to psfred - I would not have considered the rear rotors since the shuddering seemed to be coming from the front end. I would have bet my life on it but it was clearly a rear rotor problem.
I did re-check my instillation notes and the rear rotors were about 1 mm over the wear limit after resurfacing. I did find that the right rotor seemed to have quite a bit of brake dust inside the parking brake drum - maybe I adjusted the parking brake too tightly and the rear rotor heated up and warped?
At any rate the car stops smooth and straight once again - I won't be having any more MB rotors turned.
Tim
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Just read this thread. I have similar but not exactly same symptoms. This is on a 98 E-Class which used to have smooth braking. I now get a judder, that seems to come from passenger side rear (but experience has told me that problems are not always were they seem!)
I have inspected all brakes. Pads look OK and rotors are within spec. Rears disks had some circular wear marks. Tried to sand then out. I also roughened up the rear pads, put some Silguide on pins. Everything seems to work OK. But judder is still there. Car tracks straight when braking.
I have a dial indicator. Is there any trick to measuring run-out of rear disks?
Hoses are another possibility. Never replaced them. How do I do it? Just disconnect, catch fluid and bleed later? Or is there a trick?
Rear disks are original, so perhaps I should change rear disks/pads and see if that cures problem, at least as first step. Maybe hoses too?