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No heat

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New User

Feb 3, 2022, 5:05 PM

Post #1 of 3 (909 views)
post icon No heat Sign In

I have a 2016 Dodge Ram 2500 6.4 Hemi with dual climate controls.The drivers side blows cool air while the passenger side blows hot,also the temp gauge will fluctuate from half to about a quarter and back and forth while driving.I did a coolant flush with a 10 minute flush but i didnt do anything to help my situation.Would appreciate any help!

Hammer Time
Ultimate Carjunky / Moderator
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Feb 3, 2022, 5:38 PM

Post #2 of 3 (904 views)
Re: No heat Sign In

The symptoms point to air in the system. I suggest having the cooling system vacuum filled


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

(This post was edited by Hammer Time on Feb 3, 2022, 5:39 PM)


Feb 24, 2022, 7:07 PM

Post #3 of 3 (655 views)
Re: No heat Sign In

Seems you have a faulty or miscalibrated blend door actuator. Try disconnecting both battery terminals and cleaning both posts and connectors.

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