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Ford Escorts from 91 to present don't have timing marks because the timing is controlled by the engine computer.
There is no timing mark for the crank pulley. It has a ring behind it with teeth. One of the teeth are missing. The crankshaft position sender picks up a magnetic electrical pulse that determines when that cylinder is to fire. The timing is controlled by the PCM (Power Control Module). The timing can't be set.
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.
I need diagrams for both the timing marks and timing diagram for 1999 Ford Taurus 3.0 Vin S DOHC
In addition to the previous person not knowing how to spell correctly, his procedure for timing the 1998 ford escort is incorrect. The 2.0 found in the escort and the escort ZX2 does not have a distributor. Instead it uses a coil pack. To time the 2.0 engine found in the escort it is a matter of lining up a timing mark on the cam pulley and setting the crank at top dead center (TDC). On the escort ZX2 the timing is set by locating TDC on the crank and aligning the slots on the end of the intake and exhaust cams.
You plug the gun into the no. 1 cylinder on the coil pack. Start the car and aim it at the crankshaft pully. You won't be able to tell if it is in time or not because there is no mark on the crank pulley. Since the 98 ford escort has it's timing automatically adjusted by the computer there is no way or need to set it.
To line up the timing belt marks for a 97 Ford Escort, the cam and crank sprockets should both be oriented with the timing mark on each sprocket in the 12 o'clock position. The tension should not be released on the belt. Once tension is applied to the belt, that should bring the cam slightly rearward to the position where it's supposed to be. Then check the timing by turning the engine clockwise for two turns.
If you are talking about ignition timing there are no marks. The timing is controlled by the computer according to various parmeters of sensors. If you are talking about valve timing the camshaft mark is on the head and the crankshaft mark is on the oil pump housing.
The camshaft gear has a notch on one of the open holes in the sprocket. You line this up with the mark on the head. The lower crank srocket is lined up with the mark on the oil pump. If you aren't experienced I would suggest you hire someone to replace your timing belt.
on the timing cover above the harmonic balancer leon
on the crank pulley
If memory serves me correctly, the timing marks will be behind the timing belt cover. There will be marks on the gears and also marks on the block. Line the top gear with the top mark and the bottom gear with the bottom mark. Please note that you will need to undo the battery for a few minutes and then reconnect. This allows the computer to reset itself. Hope this helps