No heat when ideling but will past 2000 RPMs NEW.

Tiny
TARAMILLER-LOIBL
  • MEMBER
  • 1995 ISUZU RODEO
  • 167,000 MILES
No heat when ideling but will past 2000 RPMS NEW WATER PUMP AND THERMOSTAT, HEATER CORE FLUSHED STILL THE SAME. PLZ HELP
Wednesday, February 6th, 2013 AT 1:43 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Check and see if both heater core hoses get hot with the heater on and the engine warmed up to operating temp. If they do, then you have a problem with the blend air door. If they don't, it sounds like the heater core may still be plugged. NOTE: Make sure that you bleed all air from the system from the work you did and the coolant is full.
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Wednesday, February 6th, 2013 AT 2:04 AM

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