The factory marks are incorrect, the best way before removing belt is marking with tink on pulleys and the guard behind them, or if too late, find some one who has a the same year, and just take the timing cover off and have a look, it not easy job to by yourself, have someone who has a bit of mechanicaly knowledge to give you hand to do it.
how to set the timing on 3.5 liter engine on a trooper 98
align the crankshaft pulley mark with mark on oil pump housing, and align marks on cam gears with marks on rear cover, then install timing belt.
Go to your local library and get the diagrams to do this, you have to align timing marks and must have a picture to do this properly.
After disassembling to expose timing belt, look for TDC and ATDC timing marks. Align them, allowing 43 centimeters. Set BTDC mark in like manner.
on both cogs on cam and crank there will be a stamped dot. you need to align these with each other during installation
Timing mark on the crankshaft pulley (mark should be at zero) must be aligned with the mark on the camshaft pulley (mark should be in the middle of the hole in the pulley).
The 4.7 liter has a timing belt and the 5.7 liter has a timing chain
how do you align the crank pulley in reference to the cam pulley on a 2002 escort?
No , it has a timing CHAIN ( 1.8 liter / 2.0 liter )
The 2.5 liter has a timing BELT
The 1.6 liter , 4 cylinder has a timing BELT and the 2.0 liter 4 cylinder and the 2.5 liter V6 engines use a timing CHAIN
The 3.0 liter and 4.0 liter V6 engines have a timing CHAIN ( The 2.5 liter - 4 cylinder has a timing BELT )