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1998 Chevy Lumina Running Hot

Tiny
ROSMAR
  • MEMBER
  • 1998 CHEVROLET LUMINA
Engine Performance problem
1998 Chevy Lumina 6 cyl Automatic 188000 miles

Recently, I have had the spark plugs changed (wires included). After that the water pump and thermostat were changed because of a leakage. Now my car runs hot. There are no visible leaks. I was told that the thermostat may not be opening up fully, or there is water in the oil. While driving it seems as though water is squirting, or at least it feels that way under the gas pedal. Do you think it could be a problem with the radiator, or possibly the head gasket?
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Monday, May 31st, 2010 AT 10:14 AM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
You shouldn't be able to "feel" coolant boiling through the gas pedal.

If the head gasket was at fault then most likely there would be engine oil mixed with the coolant or vice versa. If neither coolant nor oil look milky then I would suggest removing and testing the thermostat.
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Monday, May 31st, 2010 AT 1:42 PM

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