WHAT WOULD MAKE TH VEHICHAL OVER HEAT

  • Tiny
  • strohm64
  • 2001 Pontiac Montana
  • 134,000 miles

I'v changed the thermosta. The car over heats and cools itself and shoots back up all on its own, siting still or driving. With the cap off and car hot the fluid runs rite out of the cap.

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Friday, March 30th, 2012 AT 3:28 PM

4 Replies

  • Tiny
  • rasmataz
  • Member

Radiator cap, water pump, blown head gasket and cracked head or block, air lock and clogged radiator and the list goes on

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Friday, March 30th, 2012 AT 4:02 PM
  • Tiny
  • djcl
  • Expert
  • 786 posts

When is it over heating. Right after start up @ hi speeds @ idle?

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Friday, March 30th, 2012 AT 5:28 PM
  • Tiny
  • ruth wingate
  • Member

How can you tell if you have a blown head gasket?

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Thursday, May 3rd, 2012 AT 11:55 AM
  • Tiny
  • djcl
  • Expert
  • 786 posts

One way is a block test kit you can get @ a parts store or use a gas analyzer to check for hc reading in the cooling system.

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Thursday, May 3rd, 2012 AT 12:14 PM

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