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XC70 driveline or suspension chatter/vibration V70-XC70

posted by  MAL on  Thu Jun 25 10:55 CST 2009
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last visit: Mon Sep 17 16:07 CST 2012
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Wonder if anyone has had this happen.....

Just had a rebuilt tranny put into my '03 XC70, rather disappointing since it just turned 50K miles. In the past week of normal commute driving I've had a half dozen instances of a vibration or resonance that is either coming from the drivetrain or suspension, I honestly cant tell. Its not unlike driving on one of those warning strips on the side of the road, only lasts 2 to 3 seconds. Everything else seems fine, no error messages or MIL indications. Its only happened in the 30 to 50 mph range at light throttle, mostly on slight upgrade highway. My tranny mechanic says its most likely the tranny adaptive computer reprogramming since it was "wiped" clean during the rebuild. He says give it a couple of hundred miles.

Is it the tranny or is there some other BIG bill coming my way?

Thanks.








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    XC70 driveline or suspension chatter/vibration V70-XC70

    posted by  KlausC on  Thu Jun 25 12:24 CST 2009
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    last visit: Fri Oct 24 10:15 CST 2014
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    Time to shoot the mechanic. It sounds like the first coupling to the rear drive shaft is a little loose. Check it asap. It is NOT the tranny computer!!!

    Klaus
    --
    Common sense trumps a PhD








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      XC70 driveline or suspension chatter/vibration V70-XC70

      posted by  MAL on  Thu Jun 25 15:08 CST 2009
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      last visit: Mon Sep 17 16:07 CST 2012
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      Thanks Klaus....will be having it checked tomorrow....








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        XC70 driveline or suspension chatter/vibration V70-XC70

        posted by  MAL on  Thu Jul 16 15:23 CST 2009
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        last visit: Mon Sep 17 16:07 CST 2012
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        Just to follow up.....

        brought the XC back to the tranny shop, put it up on the lift, had been reassembled OK. Drove it for another week, tranny went into limp mode, threw a bunch of codes. Long and short of it.....defective replacement valve body. Replaced free of charge, been driving it a week now.....seems fine...still amazing to be going through this with a car showing 50 K miles on the odometer!







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