Jeep Cherokee 2000 Service Manual - page 1015
(13) Install the intake and exhaust manifolds
(refer to Group 11, Exhaust System and Intake Man-
ifold for the proper procedures).
(14) Install the fuel supply line. Push until a
“click” is heard. Reinstall latch clip.
(15) If equipped, attach the power steering pump
and bracket.
(16) Install the push rods, rocker arms, pivots and
bridges in the order they were removed.
(17) Install the engine cylinder head cover.
(18) Attach the air conditioning compressor mount-
ing bracket to the engine cylinder head and block.
Tighten the bolts to 40 N·m (30 ft. lbs.) torque.
(19) Attach the air conditioning compressor to the
bracket. Tighten the bolts to 27 N·m (20 ft. lbs.)
torque.
CAUTION: The accessory drive belt must be routed
correctly. Incorrect routing can cause the water
pump to turn in the opposite direction causing the
engine to overheat.
(20) Install the accessory drive belt and correctly
tension the belt (refer to Group 7, Cooling System for
the proper procedure).
(21) Install the air cleaner assembly.
(22) Connect the hoses to the thermostat housing
and fill the cooling system to the specified level (refer
to Group 7, Cooling Systems for the proper proce-
dure).
(23) Install the coolant temperature sending unit
connector.
(24) Connect negative cable to battery.
(25) Connect the upper radiator hose and heater
hose at the thermostat housing.
(26) Fill the cooling system. Check for leaks.
WARNING: USE EXTREME CAUTION WHEN THE
ENGINE IS OPERATING. DO NOT STAND IN DIRECT
LINE WITH THE FAN. DO NOT PUT HANDS NEAR
THE PULLEYS, BELTS OR FAN. DO NOT WEAR
LOOSE CLOTHING.
(27) Operate the engine with the radiator cap off.
Inspect for leaks and continue operating the engine
until the thermostat opens. Add coolant, if required.
CYLINDER HEAD
DISASSEMBLY
(1) Use
Valve
Spring
Compressor
Tool
MD-998772A and compress each valve spring.
(2) Remove the valve locks, retainers, springs and
valve stem oil seals. Discard the oil seals.
(3) Use an Arkansas smooth stone or a jewelers
file to remove any burrs on the top of the valve stem,
especially around the groove for the locks.
(4) Remove the valves, and place them in a rack in
the same order as removed.
ASSEMBLY
(1) Thoroughly clean the valve stems and the valve
guide bores.
(2) Lightly lubricate the stem.
(3) Install the valve in the original valve guide
bore.
(4) Install the replacement valve stem oil seals on
the valve stems. If the 0.381 mm (0.015 inch) over-
size valve stems are used, oversize oil seals are
required.
(5) Position the valve spring and retainer on the
engine cylinder head and compress the valve spring
with Valve Spring Compressor Tool MD-998772A.
(6) Install the valve locks and release the tool.
(7) Tap the valve spring from side to side with a
hammer to ensure that the spring is properly seated
at the engine cylinder head. Also tap the top of the
retainer to seat the valve locks.
HYDRAULIC TAPPETS
REMOVAL
Retain all the components in the same order as
removed.
(1) Remove the engine cylinder head cover (refer to
procedure earlier in this section)
(2) Remove the bridge and pivot assemblies and
rocker arms by removing the capscrews at each
bridge. Alternately loosen each capscrew, one turn at
a time, to avoid damaging the bridges.
(3) Remove the push rods.
(4) Remove the tappets through the push rod open-
ings in the cylinder head with a Hydraulic Valve
Tappet Removal/Installation Tool (Fig. 60).
Fig. 59 Engine cylinder head Bolt Tightening
Sequence
9 - 40
2.5L ENGINE
XJ
REMOVAL AND INSTALLATION (Continued)