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allison trans

  1. transmission pops out of gear randomly....please help

    Transmission Shop
    I have an 02 4x4 duramax with 5 speed Allison transmission. I recently purchased the truck with 250xxx miles on it. injectors were just replaced and had no problems when purchased. after 300 miles on the truck i was cruising at 45-50mph when i heard a clunk. i didnt think anything of it until i...
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