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Hi Guys,

I am helping my brother replace the waterpump on his 2001 duramax. What is the procedure? I will search for some posts next. Any helpful hints?
 

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Hint. DO NOT wedge anything against the bell housing to stop the flywheel from turning! It will crack. If you have time to wait get the LISLE tool kit off Ebay. It has the 36mm socket and fly wheel locker. I say all tis because the harmonic balancer needs to be removed to get the waterpump off. If you dont have a lisle tool, remove the starter and use a piece of pipe in the flywheel hole to stop it from turning. There was some decent writeups on how this procedureis done!
 
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