Low compression
10

Asked by GuruBTCGB Dec 18, 2018 at 02:09 PM about the 2004 Pontiac Grand Am SE

Question type: Maintenance & Repair

Hi guys, I'm hoping you can keep
me from beating my head against
the wall, I have found through
previous experience that that only
hurts. I bought a 2004 Grand am
not running. Believed it to be a
head gasket problem. Replace
head gaskets found one to be
blown. Still can't get decent
compression, 64 lb average. Also
engine wants to blow water out of
coolant reservoir. My son and I are
running out of ideas, and he needs
this car to get back and forth to
work. Any help, any advice, would
be appreciated and helpful.
Thanks in advance. Flathead

5 Answers

F_O_R answered 5 years ago

Sounds like you still have a leaking head gasket. Did you resurface the heads?

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10

GuruBTCGB answered 5 years ago

No I didn't. Maybe poor planning huh!? But would that explain blowing water out of the coolant reservoir?

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F_O_R answered 5 years ago

A warped head will not seal properly. You always want to have the heads checked for warp before reinstalling them.

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10

GuruBTCGB answered 5 years ago

Thanks for your help. I guess we will tear down and start from the beginning again.

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