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Serp belt idler pulleys

Discussion in 'The Garage' started by Muddytazz, Mar 13, 2006.

  1. Muddytazz

    Muddytazz 1 ton status

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    There are 2 idler pulleys on my set-up. 1 is for the tension adjuster and 1 just sits there under the a/c unit for the belt to be routed around. What I'm trying to find out is if BOTH those wheels are the same one?
     
  2. dleroy43

    dleroy43 1/2 ton status GMOTM Winner

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    mine are different sizes. You can run without the lower one if needed
     
  3. Muddytazz

    Muddytazz 1 ton status

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    I don't know if this makes a difference or not but this is on a 4.3L V6 and mine are both the same size or VERY close to being the same size without actually measuring them.
     
  4. dleroy43

    dleroy43 1/2 ton status GMOTM Winner

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    The hole in the barrings, where the bolt goes through, were differant on mine.
     
  5. thedrip

    thedrip 1/2 ton status

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    usually they're different, one goes inside the belt and the other runs on the backside of the belt.

    edit... I've been smoking too much crack lately, they're both on the backside of the belt, but usually the one under the a/c (the idler) has sides on it, and the one up top (the tensioner) doesn't.
     
  6. Muddytazz

    Muddytazz 1 ton status

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    Ok, I bought 2 new pulley wheels (the tensioner one is a bit bigger than the idler wheel). Changing the idler wheel was a piece of cake. How in the hell do you get the tensioner wheel changed?
     

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