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Coolant leak


toddomen
10-30-2011, 06:38 PM
I have a 2006 Pontiac Grand Prix with 91,000 miles. I have a small coolant leak just past the front passenger side tire. Are water pumps known to go bad in these cars? Is there a way I can check the water pump to see if its bad?

olopezm
10-30-2011, 08:09 PM
I've replaced a couple in my '97 GP but I guess it depends on which bran you choose for replacement.

All water pumps have a bleed hole with a seal just behind the pulley, when the seal goes bad coolant starts to leak through the bleed hole indicating the pump needs to be replaced. You'll need to take a close look at it in order to find out where the coolant is coming from.

Oscar.

gmtech1
10-30-2011, 10:33 PM
The area you are describing sounds like water pump. If you have a inspection mirror you can use it to look under/ behind the water pump pully for a leak. Also check all hose clamps and around the intake gasket. If this has the belt tensioner that runs the heater hoses it, check the fittings in that also.

GMCustomerService
10-31-2011, 11:56 AM
If you would like for me to look into any open recalls on your specific vehicle, I’m happy to! Direct message me with your name and last 8 digits of your VIN and I’ll look into it!

Thanks,
Sarah
GM Customer Service

Tech II
10-31-2011, 05:25 PM
Agree with GM tech1....in addition to checking the weep hole on the w/p, check those plastic elbows to the tensioner assembly......

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