Jeep Cherokee (XJ): Specifications
Ignition timing
Ignition timing is not adjustable on any engine.
Engine firing order-2.5L 4-cylinder engine
Engine firing order-4.0L 6-cylinder engine
Spark plugs
Spark plug cable resistance
Ignition coil resistance-2.5L engine
Ignition coil resistance-4.0L engine
Torque chart
TORQUE CHART
DESCRIPTION TORQUE
Camshaft Position Sensor-to-base
bolts-4.0L . . . . . . . . . . . . . . 28 N·m (15 in. lbs.)
Crankshaft Position Sensor Bolts
(sensor mounted with 2 bolts) . . . . . . . . . 19 N·m
(14 ft. lbs.)
Crankshaft Position Sensor Nuts
(sensor mounted with 2 nuts) . . . . . . . . . 19 N·m
(14 ft. lbs.)
Crankshaft Position Sensor Bolt
(sensor mounted with 1 bolt) . . 7 N·m (60 in. lbs.)
Distributor Hold Down Bolt-2.5L . . . . . . . 23 N·m
(17 ft. lbs.)
Distributor Cap Screws-2.5L . . 3 N·m (26 in. lbs.)
Ignition Coil Mounting (if tapped
bolts are used)-2.5L . . . . . . . 5 N·m (50 in. lbs.)
Ignition Coil Mounting (if nuts/bolts
are used)-2.5L . . . . . . . . . . 11 N·m (100 in. lbs.)
Ignition Coil Rail Mounting Bolts-4.0L . . . 29 N·m
(250 in. lbs.)
Oil Pump Drive Hold-down Bolt-4.0L . . . . 23 N·m
(17 ft. lbs.)
Spark Plugs (all engines) . . . . . 41 N·m (30 ft. lbs.)
Other materials:
Fuel pump relay-pcm output. Idle air control (iac) motor-pcm
output. Radiator fan relay-pcm output
Fuel pump relay-pcm output
DESCRIPTION
The 5-pin, 12-volt, fuel pump relay is located in
the Power Distribution Center (PDC). Refer to the
label on the PDC cover for relay location.
OPERATION
The Powertrain Control Module (PCM) energizes
the electric fuel pump through the fuel pump relay.
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