Overheating replaced the water pump?

Tiny
LILSHT007
  • MEMBER
  • 2002 CHEVROLET MALIBU
  • 1.3L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 243,432 MILES
I've replaced the water pump the thermostat and the reservoir tank and cap. I'm not sure what's making it overheating. Do u?
Monday, April 13th, 2026 AT 5:01 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 55,411 POSTS
It can be the cooling fan, clogged radiator or a blown head gasket. I would go over this video and guide to see what is going on. When the engine is overheating can you hear the cooling fan come on?

https://www.youtube.com/watch?v=5zpNjYmmiYY

and

https://www.2carpros.com/articles/engine-overheating-or-running-hot

Also, check for a plastic bad stuck in front of the radiator. Please go over these guides and get back to us.
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Monday, April 13th, 2026 AT 9:15 AM

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