COOLANT LEAK IS DRIVING ME CRAZY PLEASE HELP!
 

My truck is losing coolant and it seems like its settling in the engine valley cause theres never any coolant found on the floor.

rangers are infamous for a wierd dissapearing act with radiator fluid

rent or find a buddy that has a coolant system pressure tester and use it. you will chase youre taill trying to find a coolant leak without one unless its obvious. a coolant system pressure tester will give you an answer in a matter of minutes.

^^^ yep i have the same problem. in my truck but i dont worry about it.

Idk what motor you have but this could help

How To Replace the Upper and Lower Thermostat Housing on a Ford 4.0L V6 SOHC Engine

there is a dye that u can use a uv light for to find it or if ur running stght water and ur motors running hot it will evap esap if ur running a cheap aftermarket thermastat

x2 about that

add the dye to the coolant , then drive the vehicle to allow the dye to circulate all through the coolant.

you will need a pruple ultraviolet light to show where the coolant is leaking from