Question about 2003 GMC Sierra 2500HD

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Replacing water pump on 89 s15 jimmy (4.3)

I need to know if i will need that stupid $90 tool to take the fan off of the water pump. its not an electric fan, so im just hoping for the best. otherwise, this job will be relatively easy.

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If you need that tool... stop in at autozone and borrow it... i suspect you would have to leave a deposit. but you get that back when you return the tool (if it's required). i think you only need that tool if the fan is one of those centrifucal type that stops spinning when you are are highways speeds.


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p.s. if the pulley keeps turning when you try to take off the bolts...have someone push there thumb on the fan belt... that will provide tension and stop the pulley from turning.

Posted on Apr 17, 2009


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