2001 Ford F-150 Temperature gauge

Tiny
JASONRECO
  • MEMBER
  • 2001 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 92,000 MILES
I recently purchased a 2001 F-150. Everything works fine, but I have noticed that the temperature gauge doesn't rise to the normal operating temperature zone(midway?). It always stays in the lower 1/8 zone. Correspondingly, the cab takes quite a while to warm up when I turn the heat on. Is this most likely the thermostat? Or coolant temperature sensor or sender?
Monday, December 29th, 2008 AT 9:14 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,386 POSTS
That is a very good sign of a bad thermostat, probably stuck open and not allowing the vehicle to warm up properly.

Replace it, a cheap and easy thing to do. Make sure the mating surfaces are clean and you use a new gasket. Youshould bleed the system of air after doing this, put the front wheels up on a ramp so the radiator cap is the highest point of the engine.
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Tuesday, December 30th, 2008 AT 9:59 AM

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