• Tiny
  • mattdemo
  • 1999 Chevrolet Blazer
  • 6 CYL
  • 4WD
  • automatic

I have a 99 blazer and sounds like the belt squealing replaced belt, tensioner, tensioner pulley, idler pulley, alternator. Replaced water pump and noise went away but after running for 15 min it came back. Please help!

Sunday, March 27th, 2011 AT 11:27 PM

1 Answer

  • Tiny
  • Wrenchtech
  • Expert
  • 19,584 posts

Get a spray bottle with some water in it and when you hear the noise, spray a little on the belt and see if the noise disappears. If it does, then you still have a belt problem. If not, look elsewhere.

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Sunday, March 27th, 2011 AT 11:58 PM

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