The cylinder head is located on top of the engine. The spark plugs thread into the cylinder head(s).....
DOHC stands for Dual Over Head Cam : That means that each cylinder head has 2 camshafts on the top of the engine cylinder head ( in the case of the Ford Escort ZX2 , there is one cylinder head on the four cylinder engine so it has 2 camshafts on top of the cylinder head )
In the cylinder head attached, to the top of the cylinder.
If its coming from under the chrome cylinder head cover, its the head cover gasket.
Behind pass side cylinder head, through top of bell housing.Behind pass side cylinder head, through top of bell housing.
Your head gasket or cylinder head is cracked.
Cylinders are basically pipe, or tube shaped. To make them useful they have to be sealed off at at least one end. And the part that seals them off, where you often finds valves and stuff, is called a cylinder head.
Remove the valve cover and you will see it stamped into the top of the head.
Top of the bell housing, behind the passenger side cylinder head.Top of the bell housing, behind the passenger side cylinder head.
In the cylinder head, on top of the engine block.
In the center of the head (on top of the cylinder).
One on each side of the top of the engine.