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Search for a drain petcock along the lower edge of the radiator tanks. Loosen the valve with a pliers, but DO NOT OVERTIGHETEN IT. Not all radiators have one. If you can't find one, then you will have to remove the lower radiator hose which will drain most of the coolant from the engine block too.
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Where is the radiator drain plug for 2008 Pontiac Grand Prix?
on the radiator
Where is the radiator drain plug on a 2006 Pontiac grand prix?
Should be at the bottom of the radiator logically...
Do you have to remove the lower hose of the radiator on the 2001 grand prix radiator to drain it?
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engine side of radiator, toward the bottom, drivers side.
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Where is the ac drain tube for 2004 grand prix
Who do you remove the radiator drain plug on a 2004 Pontiac grand prix?
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