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Heater not working please help me fix it?

Tiny
STEVE W.
  • MECHANIC
  • 13,573 POSTS
If it was working and suddenly stopped I would check the blend door, the actuator might be working but the door itself has broken. Also check the heater hoses, They both should heat up and feel the same temperature, if one is hot and the other cold you have no flow through the core.
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Tuesday, June 8th, 2021 AT 10:36 AM (Merged)
Tiny
BLACKZ71
  • MEMBER
  • 2 POSTS
Thank you for your help Steve! I did forget to mention that both of the hoses are hot. I didn't even think about the door! Thanks again for the help again it is much appreciated!
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Tuesday, June 8th, 2021 AT 10:37 AM (Merged)
Tiny
STEVE W.
  • MECHANIC
  • 13,573 POSTS
You're very welcome. Thank you for using 2CarPros. Com.
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Tuesday, June 8th, 2021 AT 10:37 AM (Merged)
Tiny
DRSTEEL
  • MEMBER
  • 1 POST
  • CHEVROLET SILVERADO
I can not figure out why the heater will not blow out heated air.I have checked the hoses, they are ok
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Tuesday, June 8th, 2021 AT 10:37 AM (Merged)
Tiny
YENDY2
  • MEMBER
  • 11 POSTS
Check the thermostat in the engine, if hot water is not circulating through the engine, it is not circulating through the heater core either.
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Tuesday, June 8th, 2021 AT 10:37 AM (Merged)
Tiny
JIGSTICK
  • MEMBER
  • 3 POSTS
There is a solenoid that is mounted to the back wall of the engine with a air hose attached to it that opens a gate to allow the hot water to get to the heater core. I replaced this in my 96 Tahoe and it solved my no heat problem.
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Tuesday, June 8th, 2021 AT 10:37 AM (Merged)

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