ANSWER: On the lower left side of the Radiator (passenger side).
looking at the motor, its on the right side of the radiator at the bottom
in the engien
There's a drain plug on the bottom passenger side of the radiator. Unscrew it and the coolant will drain.
.052-.056
On the lower reservoir of the radiator. You should be able to see it looking from under the hood on the driver's side.
There are many causes to this problem, in a 1999 Ford Ranger 3.0L. It is usually caused by a spark plug firing when its not suppose to, or late/delayed timing.
The 1991 Ford Tempo radiator plug is on the bottom of the radiator. The plug can be removed with a half inch ratchet.
Block heater cord for cold weather - Helpfull
You have to remove the bottom radiator hose.
The radiator plug can be located on the bottom of the radiator. The plug can be removed with a half inch ratchet.
The 2006 Ford Taurus radiator drain plug is located on the bottom of the radiator. The drain plug can be removed with a half inch ratchet.
The spark plug number that is in my 2003 Ford Ranger XLT is: AGSF34FP - Motorcraft.