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khoots26 4/1/2010
1991 GMC C1500 Sierra 8 Cyl 5.7L - Transmissions & Drivetrains
Transmisson related.
When you go past a certain speed the truck just won't go and it starts smoking out of the end. When it starts to shifting at a certain speed is when it does it, i know its transmission related, i'm just not sure what needs to be fixed or if it needs to be taken to a shop. Please answer my question it would help me alot.
1 Answer
  • HouseCallAuto
    HouseCallAuto 4/1/2010
    I know you have done your best to describe the problem. But, it needs a test drive by a good mechanic to decide what system is causing this.

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