SOURCE: I need to flush the radiator on my 2004 Pontiac Grand Prix but I
Just take the bottom hose loose and flush away.
SOURCE: I have a 2004 grand prix gt and sometimes on start it stalls
Take your car to a dealer and tell them to "clean the throttle body" Known problem for this year. It will solve your issue.
SOURCE: How hard is it to flush and drain the radiator in
the easiest way that I've found is to just remove the upper, and lower radiator hoses from the engine. point the hoses downward, and spray thru the top hose with a garden hose, also spray down the radiator cap inlet. If the cap is crusty replace it, I also recommend removing the overflow and washing it out if needed. and yes the drain plug is hard to get to, plastic that likes to snap, and not worth messing with
Testimonial: "I agree,seems to be the best way without breaking the plastic petcock and leaving you stranded.Thanks for the info."
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