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light flickering?

Discussion in 'General Chevy & GM Tech Questions' started by hardwickn, Jan 1, 2011.

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  1. hardwickn

    hardwickn New Member

    all the light on my truck flicker. i can see the tensioner pully bouncing. do you think i need to replace that or just the belt.
  2. TexasEdition

    TexasEdition New Member 100 Posts

    I'd remove the belt and spin everything by hand to see/hear if anything grinds or sounds rough, has excessive play, etc. Your alernator, idler pulley or something else may be going out which is causing the belt to not travel smoothly.

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