???~WHAT IS THIS~???

[The Itch]

:dontknow:OK… so what is this and what do I do with it???
Do I need to lube the thermostat? :dontknow: I quit installing the 170* stat when I could not figure it out.:banghead:
I know, I'm such a Dumbass "NOOBIE"! :stupido2:
I said it before, I don't know crap about this truck...but I love it!!!:dontknow: :dontknow: :dontknow:

 

[VNM PWRD]

Bleeder screw for your T-stat.

 

[MUTT]

its a bleeder on the top of your T-stat housing...when replacing fluid, you would get the air out of the system with this

 

[RedSrt007]

its a bleed screw, not a grease fitting

 

[Wifey]

DERRR, it is a bleeder screw, can't you read