I believe it is on top of the plastic coolant recovery tank - thread on cap
To drain the radiator on a 1999 Ford Expedition, place a bucket under the radiator. Unscrew the radiator drain hose or valve on the bottom of the radiator. Remove the radiator cap.
I believe you add at the engine coolant reservoir , and that the thread on cap is the " rad " cap
"transmission fluid leaking from fitting below radiator cap after replacing radiator on 99 surburban
how do you set or check the timing on a 99 ford expedition?
beneath the radiator cap. the upper radiator hose goes to the housing with the radiator cap on it. take off that housing and the thermostat is there.
Change clock on 99 expedition
On a Ford Expedition : Bank 1 is the passenger side of the engine
when the engine is cold push down on the cap and turn left
3
According to the 1999 Ford Expedition Owner Guide ( 5W-30 )
At the bottom of the radiator, you can see it from under the truck.
Replace the bad injector.