DIY THERMOSTAT REPLACEMENT FORD 4.2L V6 F150

DIY  THERMOSTAT REPLACEMENT   FORD 4.2L V6 F150

Thought I would combine 2 of my favorite things, saving money by DIY and making videos. Hopefully this can help somebody out.

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venom77520 says:

it use to take me a 5 to 7 minutes for my truck to warm up and now it take 10 to 12 minutes could this mean I need to change my thermostat?

airdan786 says:

Thanks for posting! good help.


medini2 says:

the paper gasket has adhesive on it already…and a kind of sandpaper to meet the side facing the block. 

ARMASARMY says:

thanks… very useful vid. 

mudslinger704 says:

i purchased the paper gasket, did you apply that rvt or whatever to both sides of the gasket?

XRDanL says:

P. S. Just to be clear, buy the paper gasket and use it.

XRDanL says:

I discarded the rubber O ring that came with the new thermostat because there is not 1 on the original equipment.

mudslinger704 says:

one guestion for you, the thermostat i bought has a rubber ring where you put the rvt on it, do i still need to put some on it?

mudslinger704 says:

super helpful! been looking for a thermostat video for the 4.2 for so long.

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