I have a 2007 pontiac grand prix and it's beginning to leak antifreeze really bad. How can I check where the leak is coming from

Asked by lisam88 Apr 24, 2015 at 02:49 PM about the 2007 Pontiac Grand Prix Base

Question type: Maintenance & Repair

6 Answers
70,295

Kelly answered 9 years ago

if you have no tools...pressure tester,then move it to a clean spot and eyeball the location of the drip/s

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Dorian answered 9 years ago

On my 2006 Grand Prix, It was the heater hose bypass elbows that were leaking coolant. When you have the hood open and you're looking at the engine, these are on the left side of the engine (the side with the serpentine belt). If you see wetness anywhere in that region, they may need to be replaced.

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Dorian answered 9 years ago

I replaced mine with aluminum ones, DORMAN Part # 47065HP, instead of the original plastic ones, so they won't explode again.

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