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Update on serpintine belt

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by Localsun77, Mar 7, 2013.

  1. Localsun77

    Localsun77 New Member

    I let my truck warm up for about 6 mins and the chirping had gone away, I did tighten up the tensioner, alternator seems to be good to go, about 1/4 inch slack, does anyone else have this happen Durring cold start only? Thanks guys
  2. RayVoy

    RayVoy Well-Known Member 2 Years 1000 Posts

    That's the clue, if the noise stops after a few min of warm up, it is the belt. My previous truck had the same problem, a new belt stopped it.

    BTW, keep the old one for an emergency spare, it's still a good belt.

    You didn't tell us what you have for a truck, but if you have two belts, it is usually the long one.
  3. Localsun77

    Localsun77 New Member

    Hey ray it's just a single belt, I'm missing my old truck a little it had the 5.7 vortec and I downgraded to a 4.3 vortec, had a 97 silverado
  4. RayVoy

    RayVoy Well-Known Member 2 Years 1000 Posts

    Haha, then I'll bet that's the belt.
    I've had 2 4.3 engines. Good engines, I had 320,000 on one of them and it worked great.
  5. Localsun77

    Localsun77 New Member

    I was impressed with 5.7, 160,000 on it ran and started everytime, never a single problem, I hope te 4.3 follows suite

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