Installation - Oil Pump Drive And Sensor; Cmp Pulse Ring Alignment—4.0L Engine; Align Timing Marks—4.0L Engine - Jeep 200 Cherokee Service Manual

8D - 16 IGNITION SYSTEM
REMOVAL AND INSTALLATION (Continued)
Fig. 29 CMP Location—4.0L Engine
1 – OIL FILTER
2 – CAMSHAFT POSITION SENSOR
3 – CLAMP BOLT
4 – HOLD-DOWN CLAMP
5 – MOUNTING BOLTS (2)
6 – ELEC. CONNECTOR
Fig. 30 CMP Pulse Ring Alignment—4.0L Engine
1 – PULSE RING (SHUTTER)
2 – TOOTHPICK
3 – SENSOR BASE (OIL PUMP DRIVESHAFT ASSEMBLY)
Fig. 31 Align Timing Marks—4.0L Engine
1 – CRANKSHAFT VIBRATION DAMPER TIMING MARK
(4) Before proceeding to next step, mark and note
rotational position of oil pump drive in relationship
to engine block. After installation, the CMP sensor
should face rear of engine 0°.
(5) Remove hold-down bolt and clamp (Fig. 29).
(6) While pulling assembly from engine, note direc-
tion and position of pulse ring (Fig. 28). After
removal, look down into top of oil pump and note
direction and position of slot at top of oil pump gear.
(7) Remove and discard old oil pump drive-to-en-
gine block gasket.
INSTALLATION—OIL PUMP DRIVE AND SENSOR
(1) Clean oil pump drive mounting hole area of
engine block.
(2) Install new oil pump drive-to-engine block gas-
ket.
(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 (Fig.
30).
(4) Install oil pump drive into engine while align-
ing 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 tight-
ening of bolt at this time.
(5) If engine crankshaft or camshaft has been
rotated, such as during engine tear-down, CMP sen-
sor relationship must be reestablished.
(a) Remove ignition coil rail assembly. Refer to
Ignition Coil Removal/Installation.
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