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Maintenance Schedule
I
-
Gasoline Engines
Heavy
Duty
Emissions
The services shown in this schedule up to
60,000
miles
(100
000
km)
should
be performed after
60,000
miles
(100
000
km) at the same intervals.
Footnotes
**
Drive axle service:
Locking Differential
-
Drain fluid and refill at first engine
oil
change.
At subsequent oil changes, check fluid
level
and add fluid as needed. If
driving
in
dusty areas or towing a trailer, drain fluid and refill every
15,000
miles (25
000
km).
0
Standard Differential
-
Check fluid
level
and add fluid as needed at
every engine oil change. If driving in dusty areas or towing
a
trailer,
drain fluid and refill every
15,000
miles
(25
00
km).
0
More frequent lubrication may be required for heavy-duty or off-road
use.
3,000
Miles
(5
000
km)
0
Change engine
oil
and filter (or every
3
months, whichever occurs
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
(-1
2" 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).
first).
An
Emission
Control
Service.
0
Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and
axle
seals for leaking.**
DATE
SERVICED
BY
ACTUAL
MILEAGE
7-35