The heater will blow hot and all at once start blowing cold. Then the heat gauge starts to go up and truck tries to overheat.
Dec 8, 2010 at 6:18 PM
The heater will blow hot and all at once start blowing cold
2007 DODGE RAM
DODGE1
- MEMBER
- 1 POST
- FOLLOW
Advertisement
Hello,
It sounds like you have a blown head gasket which filled the heater core with exhaust gases which makes the heater stop working here are two guides to help us get started.
https://www.2carpros.com/articles/car-heater-not-working
and
https://www.2carpros.com/articles/head-gasket-blown-test
Please run down these guides and report back.
It sounds like you have a blown head gasket which filled the heater core with exhaust gases which makes the heater stop working here are two guides to help us get started.
https://www.2carpros.com/articles/car-heater-not-working
and
https://www.2carpros.com/articles/head-gasket-blown-test
Please run down these guides and report back.
Dec 8, 2010 at 6:25 PM
I had the same problem and had to replace the blend door actuator.
Jan 7, 2019 at 6:53 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.