Here I cover some tips to help identify if your thermostat is opening and closing properly. It's as easy as watching your hoses and feeling them as your car engine warms up. I also show where the Jeep Wrangler 4.0 temperature sending unit is located and discuss the coolant thermostat.

Temperature Sending Switch http://amzn.to/2F6Msjv
(located towards back of engine on driver side)
Sends signal to temperature gauge in cab.

Thermostat housing sensor http://amzn.to/2FM6jl7
(located on the thermostat housing. Coolant temperature)

A few of my favorite tools:

Dewalt 1/4 impact driver
http://amzn.to/2GYEJ4w
Be sure to get the kit with 2 batteries. You'll be glad you did!

Craftsman 165 Mechanics Tool Set
http://amzn.to/2GXRlIg
Excellent tool set that will last a lifetime.

1/2" Craftsman Impact Driver I use. Love this thing
http://amzn.to/2fTDoTR

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