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Heater blowing luke warm air?

Tiny
MARTHALEO1MARTHA
  • MEMBER
  • 1 POST
  • 2000 DODGE DURANGO
  • 240,000 MILES
No heat coming into car, new water pump, new heater coil, new plower fan, new thermostat, hose peplaced, no leaks in car, no leaks showing undrhood or on grown.
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Thursday, August 6th, 2020 AT 10:59 AM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Sounds like a mode door issue in the truck.

When you did the heater core, did you hook everything back up?

Roy
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Thursday, August 6th, 2020 AT 10:59 AM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Is any air coming into the vehicle? Can you hear the blower motor run? I saw what you replaced, didn't see any testing. If blower motor is running but no air coming out, check temp door and actuators, under the dash.
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Thursday, August 6th, 2020 AT 10:59 AM (Merged)
Tiny
DAVIDSTACEY
  • MEMBER
  • 1 POST
  • 2000 DODGE DURANGO
  • 5.2L
  • V8
  • 2WD
  • 148,538 MILES
Why don't I get much heat it stays Luke warm it has a brand new radiator and thermostat
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Thursday, August 6th, 2020 AT 10:59 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
It could be a couple things. First, with the engine at normal operating temp and the heater on high, feel both heater core hoses. Both should be hot. If only one is hot and the other slightly warm, flush the heater core. If both are hot, check the blend air door actuator for operation.
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Thursday, August 6th, 2020 AT 10:59 AM (Merged)
Tiny
RAPALLO2214
  • MEMBER
  • 1 POST
  • 2000 DODGE DURANGO
  • 5.9L
  • V8
  • 4WD
  • AUTOMATIC
  • 370,000 MILES
My Durango does not blow any hot air at all. The heater hoses are hot to the touch and there are no leaks. I've flushed the system, back flushed, changed thermostat. It doesn't overheat, nothing wrong with the truck, no engine lights or codes. I've been told it may be the blend door actuator or something that diverts the air. Any help please?

Thanks,
Michael
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Thursday, August 6th, 2020 AT 10:59 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check for a broken temp control cable it can be broken at either end and not opening door so heat will work. Also the heater may have a vacuum motor to open door so check for vacuum at door as well as a vacuum leak. We have no pics of this sorry
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Thursday, August 6th, 2020 AT 10:59 AM (Merged)

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