Wrangler L6-4.0L VIN S (2000)
CMP Pulse Ring Alignment
3. Temporarily install a toothpick or similar tool through access hole at side of oil pump drive housing. Align toothpick into mating hole on pulse
ring.
4. Install oil pump drive into engine while aligning into slot on oil pump. Rotate oil pump drive back to its original position and install hold-down
clamp and bolt, Finger tighten bolt. Do not do a final tightening of bolt at this time.
5. If engine crankshaft or camshaft has been rotated, such as during engine tear-down, CMP sensor relationship must be reestablished.
a. Remove ignition coil rail assembly. Refer to Ignition Coil Removal/installation.
b. Remove cylinder number 1 spark plug.
c. Hold a finger over the open spark plug hole. Rotate engine at vibration dampener bolt until compression (pressure) is felt.
Align Timing Marks
d. Slowly continue to rotate engine. Do this until timing index mark on vibration damper pulley aligns with top dead center (TDC) mark (0
degree) on timing degree scale. Always rotate engine in direction of normal rotation. Do not rotate engine backward to align timing marks.
e. Install oil pump drive into engine while aligning into slot on oil pump. If pump drive will not drop down flush to engine block, the oil pump
