2005 Z71 tranny questiion

Discussion in 'GM Powertrain' started by totalnoob, Jan 3, 2010.

  1. totalnoob

    totalnoob New Member

    I Have a 4l60e that will only go in reverse. The filter and fluid has been changed and the truck has 135k miles on it. This there some self testing I can do? Could this be electrical? Any help would be greatly appreciated?
     

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