Recently had the water pump changed because it was leaking and shortly after the engine started overheating! It overheats after being driven for a mile or so and will cool down at red lights or if I idle at a stop sign for a few minutes. It gets very hot and stays hot when driven on the interstate (only tried that once). I haven’t been using my AC because I thought it would make things worse but I turned it on yesterday while driving and the car ran perfect no overheating at all! I’m at a loss and need some advice!
Home » Car Questions » 1994 GMC Jimmy 4.3 liter V6 engine OVERHEATING!
1994 GMC Jimmy 4.3 liter V6 engine OVERHEATING!
An engine overheating can be caused by several different reasons. Check each part of the system to isolate the problem area.
I would start by making sure the coolant level is full in the radiator as well as the overflow.
Next check the thermostat for being stuck shut.
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