No heat when engine is running

Tiny
CCORCHADO
  • MEMBER
  • 2007 DODGE RAM
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 162,000 MILES
It will not give heat especially when is running. Already replaced water pump, flush heater coil and replaced thermostat
Monday, January 15th, 2018 AT 6:48 AM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 12,958 POSTS
This sounds like you have low engine coolant or the temperature blend door actuator stopped working but to but sure this video and guide can help us fix it.

https://youtu.be/SNRb6pSwYuU

and if the temperature blend door needs replacement here is a guide that can help with diagrams below to show you on your car.

https://www.2carpros.com/articles/replace-blend-door-motor

This guide can help as well

https://www.2carpros.com/articles/car-heater-not-working

Check out the diagrams (Below). Let us know what happens and please upload pictures or videos of the problem.
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Friday, April 23rd, 2021 AT 10:53 AM

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