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Discussion Starter · #1 ·
Replaced water pump. Attempting to thread fan clutch nut on water pump shaft with my arms crammed between fan shroud and radiator. (Vehicles are designed by people with arms like toothpicks) Boogered-up first 2 threads. Need to find the thread size specs to get right-sized tap/die. Can anyone point me to a source for those specs?
Thanks.
 

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2021 LT AWD
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I assume you are talking about a TB from 2002 to 2009 I recommend trying Trailvoy.com or GMTNATION.com for more information in regards to your TB needs. This forum is geared towards the 2021 and newer body style.
 

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Discussion Starter · #3 ·
Okay. Thanks. Well, I gave up Googling it and decided to try something different. Got out my Dremel, put a small cutting disc on it and CAREFULLY cleaned up the threads and got it back together. Good to go.
 
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