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I
Maintenance Schedule
I
-
Diesel Engines
I
30,000
Miles
(48
000
km)
0
Change engine oil and filter (or every
3
months, whichever occurs
first).
An
Emission Control Service.
0
Lubricate the front suspension, king pin bushings, steering linkage,
transmission shift linkage, transfer case shift linkage, parking brake
cable guides, rear driveline center splines, front axle propshaft splines,
brake pedal springs and clutch pedal springs. Ball joints and king pin
bushings should not be lubricated unless their temperature
is
10"
F
(-12" C), or higher. When weather is cold, let the ball joints and king
pin bushings warm up before lubrication
or
they
could be damaged.
Perform each
of
the
listed lubrication service items at
this
mileage
interval (or every
12
months, whichever occurs first).
Drain, flush and refill
the
cooling system
with
new coolant (or every
24
months, whichever occurs first). See "Engine Coolant"
in
the Index for
what to use.
An
Emission
Control
Service.
Also inspect the hoses and replace them
if
they
are cracked, swollen or
deteriorated. Tighten all hose clamps (except constant tension clamps).
Remove debris and clean the outside of the radiator and air
conditioning condenser. Wash
the
radiator neck.
To
ensure proper
operation, pressure test the radiator and cap.
0
Replace air cleaner filter. Replace filter more often under dusty
0
For 2-Wheel Drive vehicles only: Clean and repack the front wheel
0
Replace fuel filter. Replace filter sooner
if
it
is clogged.?
0
Inspect shields and underhood insulation for damage
or
looseness.
conditions.
An
Emission Control Service.
'k
bearings (or at each brake relining, whichever occurs first).
Adjust or replace as required.
This is a Noise Emission Control
Service. Applicable only to vehicles
sold
in the United States.
(Continued)
7-69