Jeep Cherokee 2000 Service Manual - page 734
(10) With the key inserted in the keyway in the
crankshaft, install the vibration damper, washer and
bolt. Lubricate and tighten the bolt to 108 N·m (80 ft.
lbs.) torque.
(11) Install the fan and shroud.
(12) Connect negative cable to battery.
CAMSHAFT
REMOVAL
WARNING: THE COOLANT IN A RECENTLY OPER-
ATED
ENGINE
IS
HOT
AND
PRESSURIZED.
RELEASE THE PRESSURE BEFORE REMOVING
THE DRAIN COCK, CAP AND DRAIN PLUGS.
(1) Disconnect negative cable from battery.
(2) Drain the cooling system. DO NOT waste reus-
able coolant. If the solution is clean, drain it into a
clean container for reuse.
(3) Remove the radiator or radiator and condenser,
if equipped with A/C.
(4) Scribe a mark on the distributor housing in
line with the lip of the rotor.
(5) Scribe a mark on the distributor housing near
the clamp and continue the scribe mark on the cylin-
der block in line with the distributor mark.
(6) For ease of installation, note the position of the
rotor and distributor housing in relation to adjacent
engine components.
(7) Remove the distributor and ignition wires.
(8) Remove the engine cylinder head cover.
(9) Remove the rocker arms, bridges and pivots.
(10) Remove the push rods.
(11) Remove the hydraulic valve tappets from the
engine cylinder head.
(12) Remove the vibration damper.
(13) Remove the timing case cover.
(14) Remove the timing chain and sprockets.
(15) Remove the camshaft (Fig. 69).
INSTALLATION
(1) Inspect the cam lobes for wear.
Fig. 67 Loading Timing Chain Tensioner
1 – LOCK
2 – UNLOCK
3 – TENSIONER BLOCK
4 – TENSIONER LEVER
Fig. 68 Verify Sprocket—Chain Installation
1 – CAMSHAFT SPROCKET
2 – 20 PINS
3 – CRANKSHAFT SPROCKET
4 – TIMING MARKS
Fig. 69 Camshaft
1 – CAMSHAFT
2 – CRANKSHAFT
9 - 44
2.5L ENGINE
XJ
REMOVAL AND INSTALLATION (Continued)