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Wining Noise From A Cold Start

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    #1

    Wining Noise From A Cold Start

    I replace the alternator last week ever since then it started making this squeaking noise and once the is warm up it stop buttt once I drive off it squeaks again...when I let go of gas it stop.... To me sound like a bad belt but belt looks fine.One thing I notice is the belt that's on the alternator is tight or is that Normal
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    #2
    You might have the belt too tight. There should be about 1/4 inch of motion when you push on the longest section of belt between pulleys.

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      #3
      ima loosing the belt tomorrow hope this fix it

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        #4
        Originally posted by accordnyc View Post
        ima loosing the belt tomorrow hope this fix it
        What quality level of belt do you have? I had the cheapest one that Autozone offered (valuecrap) and I could never get it right. The belt was a piece of crap too, the grooves were hardly cut out. It would be too tight and whine on a cold start, but If I loosened it any it would squeal. Also it would squeal any time it rained.

        I say check your belts to see if the groves are worn... An easy way to check the push is to get a yardstick and put it on the belt between the alt and crank pulley. Then take a 6" ruler and see how far you can push it down on the belt using the yard stick as your reference. You want the 1/4 inch mark on the ruler to be at the bottom of side the yard stick in the middle between the pulleys.

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          #5
          probably belt issue

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