Jeep Cherokee 2000 Service Manual - page 1125
(4) Install the automatic belt tensioner.
NOTE: The idler pulley has left hand thread.
(5) Install the idler pulley. Torque nut to 40 N·m
(29 ft. lbs.).
(6) Install the fan pulley. Torque bolts to 56 N·m
(41 ft. lbs.).
(7) Install the vibration damper. torque nut to 196
N·m (147 ft. lbs.).
(8) Install the accessary drive belt. Refer to Group
7, Cooling System for procedure).
(9) Install the fan and fan shroud.
(10) Connect the negative battery cable.
CAMSHAFT
REMOVAL
(1) Disconnect the negative battery cable.
(2) Remove the cylinder head cover. Refer to cylin-
der head cover removal and installation in this sec-
tion.
(3) Remove the cylinder heads. Refer to cylinder
head removal and installation in this section.
(4) Remove the rocker arm assemblies, push rods,
and hydraulic tappets. Refer to the respective groups
in this section.
(5) Remove the fan and set fan inside fan shroud
then remove fan shroud and fan as an assembly.
(6) Remove the accessary drive belt. Refer to
Group 7, Cooling System for procedure.
(7) Remove the radiator. Refer to Group 7, Cooling
System for procedure.
(8) Remove the A/C condenser. Refer to Group 24,
Heating and Air Conditioning for procedure.
(9) Remove the vibration damper. Refer to vibra-
tion damper removal and installation in this section.
(10) Remove the power steering pump pulley.
(11) Remove timing gear cover. Refer to timing
gear cover removal and installation in this section.
(12) Rotate the engine to align the timing marks
as shown (Fig. 41).
(13) Unscrew the flange bolts and remove cam-
shaft (Fig. 42).
THRUST PLATE INSPECTION
Check the thickness (Fig. 43) of the plate at points
a-b-c-d. If the measurement is not between 3.950 -
4.050 it must be changed.
INSTALLATION
(1) Coat the camshaft journals with clean engine
oil and carefully install the camshaft complete with
thrust plate and gear. Tighten retaining bolts to 27.5
N·m (20 ft. lbs.) torque. Be sure to align the timing
marks as shown (Fig. 44).
(2) Install the hydraulic tappets and retainers.
Refer to hydraulic tappet removal and installation in
this section.
(3) Install the cylinder heads. Refer to cylinder
head removal and installation in this section).
(4) Install the push rods and rocker arm assem-
blies. Refer to the respective sections.
Fig. 40 Camshaft Assembly
Fig. 41 Timing Marks
1 – VACUUM PUMP
2 – CAMSHAFT
3 – INJECTION PUMP
4 – TIMING MARKS
5 – OIL PUMP
6 – CRANKSHAFT
XJ
ENGINE
9 - 31
REMOVAL AND INSTALLATION (Continued)