If you are asking about valve timing there are two marks. One on the top which is a mark on the cam pulley which is lined up with the mark on the head and there is a mark on the crankshaft pulley which is aligned with a mark on the oil pump housing.
Ford Escorts from 91 to present don't have timing marks because the timing is controlled by the engine computer.
mark 4 1998
on the timing cover above the harmonic balancer leon
Your 1998 Mazda 3.1 liter engine does not have timing marks on the crankshaft. The timing marks are on the engine flywheel.
I need diagrams for both the timing marks and timing diagram for 1999 Ford Taurus 3.0 Vin S DOHC
get at it from the bottom get a white marker and mark the timing spot then go up top and you should be able to see it
The 1996 Ford 5.0 liter engine timing marks can be found on the main pulley. The timing marks will be scattered around the outside of the pulley.
The top timing mark is a notch on the head. It lines up with an arrow on one of the O's cut out in the timing gear. The bottom timing mark is on the crankshaft gear and it lines up with a mark on the oil pump housing.
line the timing mark from the crankshaft sprocket up with the camshaft sprocket and tada!
pull your timing belt cover/#1 plug/closest to the cover/ adj so piston 1 is at tdc crank timing mark should be in between pointer/ adj cam gear 1 mark at top with valve cover on 1 mark at right with top of block looks like L shape /put on belt and tighten tensioner/rotate dist to #1 caution dont hit pistons with valves when adj crank or cam for aligning timing marks good luck,
you just do what mark on the crank is TDC