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My Blazer is losing water from radiator and I.

Tiny
ANONYMOUS
  • MEMBER
  • 1992 CHEVROLET BLAZER
  • 198,000 MILES
My blazer is losing water from radiator and I cant find a leak. Tempture gage shows hot when running heater and goes down once I shut it off. Thanks in advance for your help! Susan
Sunday, January 13th, 2013 AT 6:01 AM

3 Replies

Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 POSTS
Usuallly running the heater cools the engine off. The heater core may be bad. You could have a coolant pressure test done and ask to have UV dye put in it to try and find the leak.
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Sunday, January 13th, 2013 AT 6:04 AM
Tiny
SALLEMAND
  • MEMBER
  • 3 POSTS
Just noticed the passenger side carpet is so soaked.
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Sunday, January 13th, 2013 AT 6:18 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like the heater core is leaking
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Sunday, January 13th, 2013 AT 11:03 AM

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