The reservoir has two level lines - one for "cold engine" and the other for "hot engine". If the engine is hot, and the coolant level is low, fill the reservoir to the "hot engine" level. When the engine is cold and the level is low, I usually" top off" the radiator and fill the reservoir to the "cold engine" level.
on the front, top of the engine. look near the upper coolant hose on the engine for a sensor with a couple of wires on it. There may be 2 in close proximity that look similar.
Coolant recovery tank
On a 1999 Ford Ranger , 4.0 liter V6 engine : The engine oil dipstick is on the drivers side of the engine
No , the 3.0 liter " Vulcan " V6 engine in a 1999 Ford Ranger is an ( Over Head Valve / pushrod design engine )
why does the coolant only leak when engine is off on my 1999 grand am?
The check gage light comes on if your engine coolant temperature is high , the oil pressure is low , or the gas tank is almost empty
According to Gates ( they manufacture timing belts etc ) the 2.5 liter engine used in a 1999 Ford Ranger is NOT an interference engine
For the 1999 Ford expedition it is recommended that you use the Ford Premium engine coolant which is green in color. You should not use the Ford extended life engine coolant which is orange in color.
Green coolantGreen coolant
( 160 horsepower ) for the 4.0 liter OHV , V6 engine in a 1999 Ford Ranger
The engine oil dipstick is on the drivers side of the 4.0 liter V6 engine in your 1999 Ford Ranger Helpfull
Any brand coolant will work.