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Have no heat when idling but will past 2000 RPMs

Tiny
TARALOIBL
  • MEMBER
  • 1995 ISUZU RODEO
  • 167,000 MILES
Have no heat when idling but will past 2000 rpms. Water pump, thermostat new. Flushed heater core still the same.
Wednesday, February 6th, 2013 AT 1:35 AM

5 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Heater core still clogged. Have it pressure flushed

Roy
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Wednesday, February 6th, 2013 AT 1:36 AM
Tiny
TARAMILLER-LOIBL
  • MEMBER
  • 3 POSTS
Do you think bad head gaskets
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Wednesday, February 6th, 2013 AT 1:46 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Possible but you gave no info on cooling systems issues.

I would start with heater core.

Only 1 post is needed

Roy
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Wednesday, February 6th, 2013 AT 1:49 AM
Tiny
TARAMILLER-LOIBL
  • MEMBER
  • 3 POSTS
No signs just the heater wont work its not overheating. The mechanic I took it to tried all of these thing still couldnt get it to work so he said that the head gaskets must be bad.
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Wednesday, February 6th, 2013 AT 1:57 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Try bleedig the cooling system.
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Wednesday, February 6th, 2013 AT 2:02 PM

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