How do I change the thermostat on my 01 F-150 4.2L?

Tiny
BULLDOG075
  • MEMBER
  • 2001 FORD F-150
  • 6 CYL
  • 2WD
  • MANUAL
  • 145,000 MILES
Where is the thermostat located on and how do I change the thermostat on my 01 F150 4.2L?
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Sunday, January 10th, 2010 AT 11:38 AM

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Tiny
MERLIN2021
  • MEMBER
Follow upper radiator hose, goes right to it.
Let the engine cool off, then drain it down about a gallon, there is a draicok on the bottom of the radiator, then follow the upper radiator hose to the engine, there you will find the thermostat at the end of the hose, unbolt the two bolts. leave the hose attached to the housing. Scrape old gasket from both mating surfaces, install new thermostat, spring towards the engine. install the gasket, snug the housing bolts! Not to tight and bring the housing down evenly. refill the coolant and that's it!


https://www.2carpros.com/forum/automotive_pictures/62217_Tstat_1.jpg

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Monday, May 10th, 2021 AT 10:35 AM

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