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2002 Mercedes-Benz ML320

Question: Reverse sometimes causes parking brake to engage

Question

irw, Washington, DC, September 15, 2010, 06:43
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My SUV has experienced problems with abrupt stopping when placed in reverse. From a response I received on this site it was suggested there may be a problem in the parking brake; although my mechanic thought it was the transmission. But, flushing of the transmission revealed no metal or other signs of damage and the problem persisted. He could not find a problem in the parking brake and was confused about this suggestion. However, when the problem happened again, I left it in reverse, set and released the parking brake, and voila - the vehicle backed up normally. My mechanic is now thoroughly checking the parking brake mechanism, but it would be helpful if anyone has experienced this problem can offer suggestions on exactly where he should look!!

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  • Answer #1

    Auto Stop Limited, Inc (725 Answers) , Baltimore, MD - (410) 467-7600
    Auto Stop Limited September 15, 2010, 07:44
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     Technician

    Hi
    Have your tech check the parking brake shoes and hardware for damage.

    RJ

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    irw, September 15, 2010, 12:31
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    He found there was separation and damage in the parking brake shoes and hardware and is repairing/replacing whatever needs to be done. He said that he has seen this on jeeps and volvos before but never heard of this causing the abrupt stopping when the vehicle is put into reverse. I hope this solves the problem.

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