SOURCE: where on the radiator is the drain petcock 2004
Some models do not have a petcock, pulling the lower radiator hose will suffice in drainage. I suspect you know what you are doing since you have the correct nomenclature. Use extreme caution during this type of draining procedure when coolant is hot. If it is not on the lower left or right corners of radiator side facing engine, it is not equipped with a drain valve.
SOURCE: how to change radiator fluid on the 1995 sonoma gmc truck
should be on the lower left side of the rad, it may look like a plastic wingnut. good luck!
SOURCE: What radiator petcock does my 1993 GMC Jimmy use?
Id hit the junk yards.. I do ...sorry i do not know..
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