I Maintenance Schedule I - Diesel Engines I
0 Check the exhaust pressure regulator valve for proper operation;
correct any binding. Inspect hoses for cracks, chafing or decay. Replace
parts as needed.
Arl Emission Control Service.
0 Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
:c‘c
DATE SERVICED BY: ACTUAL MILEAGE
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:
0
0
0
0
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 01- towing a trailer, drain fluid and refill every
15,000 miles
(25 000 km).
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 (25 000 km).
More frequent lubrication may be required for heavy-duty or off-road
use.
3500 HD Models with applications requiring extreme overload/trailer
towing conditions and high speed (above
45 mph or 72 km/h)
conditions for extended periods of time must have the drive axle fluid
changed every
3,000 miles (5 000 km) or 3 months, whichever occurs
first, or must use
75W-140 synthetic fluid meeting GM specifications.
See “Recommended Fluids and Lubricants”
in this section.
7-80
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Oil DieselEngines
............................................... 6-21
Additives
................................................. 6-25
Pressure Gage (See “Gages”
j
ToCheck ................................................. 6-22
WhatKindtoUse
.......................................... 6-23
WhentoAdd
.............................................. 6-22
WhentoChange
............................................ 6-25
What to Do with Used Oil
.................................... 6-25
Gasoline Engines
............................................. 6-16
Additives
................................................. 6-20
Pressure Gage (See “Gages”)
ToCheck
................................................. 6-16
WhatKindtoUse
.......................................... 6-17
WhentoAdd .............................................. 6-17
When to Change ............................................ 6-20
What to Do with Used
Oil .................................... 6-21
Owner Checks and Services
........................................ 7-93
Parking Brake (See “Brakes-Parking”)
On Hills (See “Towing-Parking on Hills’*j
Over Things That Burn
........................................
Passing (See “Drivin~-Passing”)
Periodic Maintenance Inspections (See “Scheduled Maintenance Services”)
Power
Door Locks (See “Dood’j 2-31
Steering
...................................................... 4-7
Steering Fluid
................................................ 640
Take-Off
.................................................... 4-35
Winches
..................................................... 4-34
Radiator Pressure Cap
............................................ 6-39
Radio (See “Audio Systems”)
Rear Axle (See ”Axle”)
Recommended Fluids and Lubricants (See “Scheduled Maintenance Services“)
Recovery Hooks
................................................. 5-40
Replacement Parts ............................................... 6-80
Reporting Safety Defects To The United States Government (See “Safety Defects”)
Roadside Assistance
............................................... 8-5
Rocking Your Vehicle ............................................ 5-39
Rear Window Defogger
............................................ 3-4
Safety Belts ..................................................... 1-9
Adults ...................................................... 1-12
Center Passenger Position ....................................... 1-25
Checking Restraint System ...................................... 1-44
7
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