My truck runs hot I

Asked by GuruHXFKQ Jul 14, 2019 at 05:29 PM about the 2001 Dodge Durango SLT 4WD

Question type: Maintenance & Repair

I change the thermostat to radiator hose and a
coolant temp sensor and when my car is in park
the hot gauge continue to go up when I turn on my
AC is gets hotter to

3 Answers
43,030

Hornet_2497 answered 4 years ago

I've seen some 4.7 engines with plastic water pump impellors that disintegrated over time. Can happen in other engines using plastic water pump parts. Metal impellors can corrode. I would try to look into the radiator for coolant flow before removing water pump. No flow would mean pump not pumping once the thermostat opens. Make sure the thermostat was installed with coils toward the engine.

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