Specifications

(3) Subtract diameter of valve stem from internal
diameter of its respective valve guide to obtain valve
stem clearance in valve guide. Clearance of inlet
valve stem in valve guide is .040 to .075 mm (.0015
to .0029 in). Clearance of exhaust valve stem in valve
guide is .060 to .095 mm (.0023 to .0037 in).
(4) If valve stem clearance in valve guide exceeds
tolerances, new valve guides must be installed.
REMOVAL AND INSTALLATION
3.1L TURBO DIESEL ENGINE
REMOVAL
(1) Disconnect and isolate the negative battery
cable.
(2) Mark the hinge locations on the hood for align-
ment reference during installation.
(3) Disconnect the engine compartment lamp.
(4) With assistance from another person, remove
the hood.
(5) Cover both fenders to prevent paint damage.
WARNING: DO NOT LOOSEN THE RADIATOR VENT
OR DRAINCOCK WITH THE SYSTEM HOT AND
PRESSURIZED. SERIOUS BURNS FROM COOLANT
CAN OCCUR
(6) Open the cooling system vent. Located on top
of the radiator.
(7) Raise the vehicle on the hoist
(8) Remove both of the front splash shields (Fig.
6).
(9) Drain the cooling system. Refer to Group 7,
Cooling System for the procedure.
(10) Remove the transmission fluid cooler lines
from the radiator (Fig. 6).
(11) Remove the lower radiator hose from the radi-
ator (Fig. 6).
(12) Remove the lower fan shroud retaining bolts
(Fig. 6).
(13) Remove the exhaust system inlet pipe retain-
ing bolts from the turbocharger (Fig. 7).
(14) Remove the nut retaining the wire harnesses
on the left engine mount.
(15) Lower the vehicle on the hoist.
(16) Remove the right and left headlamp assem-
blies from the vehicle. Refer to Group 8L, Lamps for
the procedure.
(17) Remove the front fascia. Refer to Group 13,
Frame and Bumpers for the procedure.
(18) Disconnect the ambient temperature sensor
and unclip the wire harness from the headlamp mod-
ule mounting assembly.
(19) Disconnect the right and left headlamp mod-
ule wire harnesses at the 10-way connectors. Located
just above the front bumper to the right and left of
the A/C condenser.
(20) Remove the headlamp module mounting
(HMM) assembly. Refer to Group 23, Body for the
procedure.
NOTE: Mark the position of the hood latch in rela-
tion to its mounting bracket. This will aid in aligning
the hood latch during reassembly.
(21) Remove the hood latch retaining fasteners
and position it out of the way.
Fig. 6 Transmission Fluid Cooler Lines
Fig. 7 Exhaust System Inlet Pipe
9 - 14 ENGINE WJ
SERVICE PROCEDURES (Continued)