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1994 Geo Tracker over heating

Tiny
THELOURDS
  • MEMBER
  • 1994 GEO TRACKER
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 70,000 MILES
The heat is great, just replaced the radiator & thermestate. But while driving it over heats, but not at idle.
Wednesday, November 4th, 2009 AT 11:44 AM

2 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Are your cooling fan(s) coming on properly?
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Wednesday, November 4th, 2009 AT 12:03 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have an actual boiling over or just the gauge that's telling you that it is?

Cooling fan/s coming On? If okay test the water pump

One way to test for a bad water pump is to squeeze the upper radiator hose when the engine is hot and idling. Careful, because the hose will be HOT! If you do not feel much coolant circulating through the hose when you rev the engine, the pump may be bad.

If it continues to overheat-Get it block and pressure tested.
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Wednesday, November 4th, 2009 AT 12:05 PM

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