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1999 Pontiac Grand Am leak?

Tiny
JOANNGROVE
  • MEMBER
  • 1999 PONTIAC GRAND AM
Engine Performance problem
1999 Pontiac Grand Am 6 cyl Automatic 184, 00 miles

my car was serviced last week had a valve spring break and at the same time repaired the lower radiator hose and since this repair I have had to place coolant in the resevoir 2x. And just today again the low coolant light came on. Any ideas. No appearant leaks and it was pressure tested just a week ago.
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Tuesday, August 19th, 2008 AT 2:39 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Well it is either leaking or burning it, check for water in the oil (milk chocklate color).
The head could be cracked, some cracks will expand when hot.
One thing to check is after runnung the engine for a while, turn off, wait a minute and turn ign. On (don't start it). If coolant temp gauge goes up, then that indicateds a crack in the head, usually exhaust side.
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Wednesday, August 20th, 2008 AT 6:00 AM

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