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International Automotive Technicians Network
Re: Truck won't warm up
Posted to Technical Discussion Forum on 3/22/2023

Agree you need to verify engine operating temperature. While you are at it, what is the temperature of the two heater hoses?

We just did a heater core on one of those gems 3 weeks ago. Also a 3.9. Added bonus, the A/C evap core was partially blocking air flo... Login to read more.