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Why would my 1998 Malibu continue to run hot after ive changed the water pump and thermostat?

Tiny
RICK2000
  • MEMBER
  • 1998 CHEVROLET MALIBU
The heater does dont blow hot air after car warms up either
Wednesday, May 9th, 2012 AT 3:08 PM

4 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 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, July 31st, 2019 AT 5:04 PM
Tiny
RICK2000
  • MEMBER
  • 2 POSTS
Yes all my hoses get hot. I bypassed the heater core and it is still running hot.
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Wednesday, July 31st, 2019 AT 5:04 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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, July 31st, 2019 AT 5:04 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 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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Wednesday, July 31st, 2019 AT 5:04 PM

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