04 RAM 1500 5.7 HEMI. No heat from vents, engine running hot in 30 degree weather.

Asked by o1youngalexander Dec 14, 2017 at 09:51 AM about the 2004 Dodge RAM 1500 SLT Quad Cab LB 4WD

Question type: Maintenance & Repair

04 1500 RAM 5.7 HEMI. Heat began blowing cold air sporadically. Few days later my engine temp was extremely high with temps only around 30 degrees outside. I noticed the coolant level was very low and went to the dealer to get the recommended coolant and topped it off. Few days later in the morning the ETC warning light came on so I turned around and parked the truck (was a very cold morning). Yesterday (30 degrees outside) with the coolant level verified I ran the truck for a little while at idle. No heat from the vents only cold air, and engine temp again was extremely high. It appears there is a second fan in the front on the drivers side that was not running. What does this sound like the issue could be? Thanks in advance for a reply.

2 Answers

F_O_R answered 6 years ago

I think you need to find the leak and purge air out of the system. Look on Youtube for how to videos.

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Matt answered 6 years ago

Coolant shouldn't be going anywhere. It must be leaking. A pressure test usually helps find the problem.

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