Explorer 2WD V6-245 4.0L (1994)
Timing Chain Alignment Marks
4. Install the crankshaft key and check the timing marks on the crankshaft sprocket and camshaft sprocket for correct alignment.
5. Install the camshaft sprocket retaining bolt, and tighten to 60-68 Nm (44-50 ft lb).
6. Remove the clip from the timing chain tensioner.
7. Check the camshaft end play.
CAUTION: Prying against the camshaft gear with the valve train load on the camshaft can break or damage the gear. Therefore, the rocker arm
adjusting nuts must be backed off, or the rocker arm and shaft assembly must be loosened sufficiently to free the camshaft. After checking the
camshaft end play, adjust the valve clearance.
Camshaft End Play
a. Push camshaft toward rear of engine. Install Dial Indicator TOOL-4201-C or equivalent so indicator point is on camshaft sprocket attaching
screw.
b. Zero dial indicator. Pull camshaft forward and release it. Compare dial indicator reading with specifications. Camshaft end play specification is
0.0203-0.1016 mm (0.0008-0.004 in) and camshaft end play service limit is 0.2286 mm (0.009 in). If end play is excessive, replace camshaft
