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Thread: Wear on alternator belt

  1. #1
    Senior Member mr_maxime's Avatar
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    Wear on alternator belt

    When checking belt tension this afternoon, I noticed a line where belt material had been getting thrown off the belt. I recently added DriveStainless's tensioner and I had to remove some washers because the bend wasn't like the one on my car. I can tell the wear is towards the engine, but is there a good way to figure out what is causing the problem? The wear appears minimal right now, so I'd really like to fix this before it gets worse. I did have to retighten the belt though.


  2. #2
    Customized Member 81dmc's Avatar
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    Quote Originally Posted by mr_maxime View Post
    When checking belt tension this afternoon, I noticed a line where belt material had been getting thrown off the belt. I recently added DriveStainless's tensioner and I had to remove some washers because the bend wasn't like the one on my car. I can tell the wear is towards the engine, but is there a good way to figure out what is causing the problem? The wear appears minimal right now, so I'd really like to fix this before it gets worse. I did have to retighten the belt though.

    Pull the belt and check if your water pump moves freely.
    Rodolfo

    SPEC I Stainless Exhaust, Delorean.eu Roof Box, Kenwood Double Din, Black Leather Interior, Custom Wiring, Custom Dakota Digital Instrument Cluster...Shall I continue?
    Oh yeah... and a Hervey Easy Rider kit.

  3. #3
    Senior Member mr_maxime's Avatar
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    Water pump spins freely and stops when I let go.

  4. #4
    Delorean Guru
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    Very important that each pulley is in line (the same plane) as the others. Any mis-alignment and you get excessive wear on the belt. You check it with a straightedge or a string. Vee belts don't tolerate mis-alignment well.
    David Teitelbaum

  5. #5
    Senior Member mr_maxime's Avatar
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    I had been told to do that in the past but didnt know how. Guess this is what I was looking for:


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