1999 Yukon radiator drain petcock location

hcwarnerjr · 05-02-2005, 01:24 PM

Does anyone know where the darn radiator drain petcock is? I can't find one. I want to change the coolant but the only way I see to do this is removing the lower radiatro hose. Has anyone done a coolant change at home on a Yukon? Help wanted.....

Eggert · 05-15-2005, 08:51 PM

Hi, on my New Body Style it is a plastic knob near the lower driver's side corner.
You may or may not have one. It is common to have to make a mess with the lower hose.
Take care, Eggert

hcwarnerjr · 05-17-2005, 12:49 PM

Quote:

Originally Posted by Eggert

Hi, on my New Body Style it is a plastic knob near the lower driver's side corner.
You may or may not have one. It is common to have to make a mess with the lower hose.
Take care, Eggert

Thanks, I found it. It takes a 1/4 inch drive and a quick turn CCW to open. Still makes a mess draining though.

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