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1998 Chevy Lumina Overheating

Tiny
FERRALLW
  • MEMBER
  • 1998 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 153,000 MILES
I have a 1998 Chev Lumina that over heats. I have replaced the radiator, thermostat, waterpump, taken it clear down to the block and checked the water jackets and just cleaned everything checked the heads and put it back together and the same thing happends, it just flat will not circulate the water and cool.
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Wednesday, October 6th, 2010 AT 3:52 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
How exactly did you "check" the heads?
Did you send them out to a machine shop? Did you replace the head bolts when you put it back together?
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Wednesday, October 6th, 2010 AT 6:27 PM
Tiny
FERRALLW
  • MEMBER
  • 2 POSTS
No I checked for cracks and used the oln head bolts no one said anything about putting new head bolts in
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Thursday, October 7th, 2010 AT 11:06 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You just wasted a bunch of time then. You can't see problems in the head with your naked eye. It HAS to be checked by a machine shop. They also would have informed you that those head bolts are "torque to yield" bolts that stretch and are one time use.
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Thursday, October 7th, 2010 AT 11:10 AM

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