There is a locking tab on the side of the hose. Pry the tab out of the slot, then rotate the hose 45 degrees and pull the hose off.
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.
Open the petcock or remove the lower radiator hose from the radiator.
Look at the bottom or rear bottom of the radiator or remove the lower radiator hose
Remove plug or open petcock at the bottom or rear of the radiator or remove the lower radiator hose
On a 1999 Lincoln continental the thermostat is located by following the lower radiator hose from the radiator to the engine. It is easily accessible from underneath on the front passenger side. Remove small over flow hose only their is no need to remove lower radiator hose and once you remove the two bolts the housing will come off with the lower radiator hose attached hose still attached.AnswerFollow lower radiator hose from radiator to engine on 1999 Lincoln Continental V8.
The radiator cap is on top of the radiator.
Easiest way to drain the radiator is to remove the lower coolant hose.
On the bottom of the radiator. If there is no drain plug, simply remove the lower radiator hose to drain the coolant from the radiator.
You will find that it is located on the bottom of the radiator. If you do not find a drain Petcock on the bottom of the radiator you must remove the lower radiator hose in order to drain the radiator.
On a 1999 Ford Expedition : It's supposed to be at the front of the engine compartment , on top of the radiator support
follow the upper radiator hose where it goes into the top of the motor and it will be right there.
On your 1999 Ford Expedition : The thread on cap on your engine coolant reservoir ( located at the front of the engine compartment , on the drivers side ) is the pressure cap / radiator cap