Ford F150 still running hot after replacing fuel pump

Asked by Feb 11, 2016 at 05:14 PM about the 1997 Ford F-150

Question type: Maintenance & Repair

Replaced the water pump, bled coolant system and
its still running hot but not as fast or as bad. I took
out the thermostat and the heater core was
rerouted b4 I bought plz!

3 Answers


May need a radiator flush, could be plugged up. You need the thermostat installed for it to run right also. The temperature controls how the sensors are adjusted by the computer. And you need a 50/50 mix of antifreeze not just water.


There's a 3/4" water line running from water pump under intake manifold to the rear of passanger head, check to make sure there's no restriction also check to see if water is circulating from pumo to radiator



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