WHY WOULD MY 1998 MALIBU CONTINUE TO RUN HOT AFTER IVE CHANGED THE WATER PUMP AND THERMOSTAT?

  • Tiny
  • rick2000
  • 1998 Chevrolet Malibu

The heater does dont blow hot air after car warms up either

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Wednesday, May 9th, 2012 AT 3:08 PM

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  • Tiny
  • saturntech9
  • Expert
  • 29,450 posts

Does both hoses going into your heater core get really hot?What about the upper and lower heater hoses do both of them get really hot?Does your radiator fan come on when it gets really hot?

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Wednesday, May 9th, 2012 AT 3:41 PM
  • Tiny
  • rick2000
  • Member

Yes all my hoses get hot. I bypassed the heater core and it is still running hot.

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Wednesday, May 9th, 2012 AT 5:33 PM
  • Tiny
  • rasmataz
  • Member

Have you tried bleeding the cooling system could be airlock in it-if not do so and see what happens

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Wednesday, May 9th, 2012 AT 5:40 PM
  • Tiny
  • saturntech9
  • Expert
  • 29,450 posts

Thats a good point rastamaz do the radiator hose kick can you feel air pockets running thru them?Also does your radiator fan work correctly?What temp does it come on at?

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Thursday, May 10th, 2012 AT 4:56 AM

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