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ZZZZZ slipping, buzzing sound ocassionally while driving. 2002 4.3L 4x4 blazer

Discussion in 'Chevy Blazer Forum (GMC Jimmy)' started by himo1123, Dec 8, 2011.

  1. himo1123

    himo1123 New Member

    when driving at highway speeds, it will sometimes sound like the tranny slipped out of gear while using the cruise. as soon as I step on the gas the buzzing sound stops. any ideas?? all replies will be appreciated.

    (himo1123) from Wisconsin

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