Heater core gets hot, but it will only blow out.

Tiny
AIRCOOLED71
  • MEMBER
  • 2001 DODGE RAM
  • 313,000 MILES
Heater core gets hot, but it will only blow out warm air it never really gets hot. I have changed the thermostat, truck temp. Is normal. Where is the blend control motor located? The repair manuel says there is a cable, but mine doesnt have one.
Saturday, March 30th, 2013 AT 1:04 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
It does sound like an issue with the blend air door. The door is located on the heater core housing. If you have a cable, it will run from the dash (temp switch) to the door.
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Saturday, March 30th, 2013 AT 2:36 AM
Tiny
AIRCOOLED71
  • MEMBER
  • 1 POST
No cable, so what changes it from hot to cold?Is there an electric motor somewhere?My repair manuel says there should be a cable from temp control to blend control, I dont have a cable but it goes from cold to warm somehow. Also, when you start the vehicle there is an initial gurgling sound at the heater core.
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Saturday, March 30th, 2013 AT 3:57 PM

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