2003 Chrysler Van rear brake vibration since service

Tiny
TRICKRK
  • MEMBER
  • 2003 CHRYSLER VAN
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 80,000 MILES
I just recently replaced every thing on the Rt and Lt rear brakes except for the wheel cylinders. Now when braking I get a noticeable vibration.
I got a second set of drums and shoes and swapped these out. I still have a very bad vibration with no noticeable improvement at all.
I have adjusted the brakes and this does not seem to help either.
PLEASE help I am at a total loss any suggestions will be appreciated
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Saturday, September 27th, 2008 AT 8:56 AM

4 Replies

Tiny
MERLIN2021
  • EXPERT
Primary and secondary shoes reversed by any chance? Shorter shoe goes to the front. It is also possible that the parts store gave you warped drums again, take them to a machine shop and have them checked.
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Saturday, September 27th, 2008 AT 9:24 AM
Tiny
TRICKRK
  • MEMBER
Thanks, I don't see the shoes being reversed, but will have the drums checked. It is hard to find a good machine shop any more or one at all.
The first set of drums I checked my self with a dial indicator and to the best of my knowledge seemed ok but I replaced them any ways to eliminate them as the possible problem.
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Saturday, September 27th, 2008 AT 10:36 AM
Tiny
MERLIN2021
  • EXPERT
The only other thing that might do it would be if the new linings where contaminated by oil or grease. Axle seals OK? Recheck your wheel cyls, make sure it's dry indide the dust boots, a small amount of assembly fluid is OK, but no drips! I use a small curved pick to peek in them.
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Sunday, September 28th, 2008 AT 5:30 AM
Tiny
TRICKRK
  • MEMBER
I did check for leaks and contamination on the shoes. I did not see any.
I checked the function with the drum off by very lightly pushing the brake pedal while some one watched the action of the wheel cylnder.
All appeared ok.
Also checked the activation and release of the e-brake, this was ok as well.
I drove the van and slowed it with the e-brake and it vibrates just as bad.
It seems to me like a drum issue, like poor machining, but I am suspect of that because this is my second set of replacement drums and I am still having the problem.
I will try to have these drums checked at a machine shop tomarrow.

Thanks
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Monday, September 29th, 2008 AT 7:56 PM

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