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Discussion Starter #1
Hello, I need to drain my coolant but cant find the petcock? '06 GMC LBZ. Anybody know where it is?
 

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Discussion Starter #3
I still dont see it. Looked from the top and bottom. Im going blind I guess.lol.. Do you know if its onthe radiator itself?
 

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Lower passenger side of the radiator, next to the lower radiator hose. It is easier to remove the passenger side inner fender to find it. :drink
 

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the dealer here in town told me there isn't one on lbzsssss
 

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Discussion Starter #8
Kool...Thought I was going crazy cuz I coulndt find it. Thanks for your help guys!
 

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petcock

yeah thats what my wife calls it!
 
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