Radiator drain on 2003 Sierra
rlamppa1
02-11-2009, 12:00 PM
2003 with 5.3L engine and 4 wheel drive. I can't seem to find the drain for the radiator. It almost looks like the factory forgot to put the valve in. Any ideas, or am I looking in the wrong place. The hose for draining it is in place.
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