Maintenance Schedule II - Gasoline Engines With
Heavy Duty Emissions
24,000 Miles (40 000 km)
0
Change engine oil and filter (or every 12 months, whichever occurs
first).
AI? Emission Control Senice.
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).
Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.'k'*
Inspect engine accessory drive belts
(or every 24 months. whichever
occurs first).
An Emission Control Service.
Drain, flush and refill cooling system (or every 24 months, whichever
occurs first). See "Engine Coolant'' in the Index for what
to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck.
Pressure test the cooling system and pressure cap.
An Enzission Control
Service.
Replace air cleaner filter. An Ettzissiorz Control Service.
Replace fuel filter. An Emission Control Service.
DATE SERVICED BY: ACTUAL MILEAGE L
i
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Maintenance Schedulell - Gasoline Engines With
Heavy Duty Emissions
(Continued) rn
0 Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.**
Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information.
DATE SERVICED BY: ACTUAL MILEAGE
48,000 Miles (80 000 km)
0
13
0
U
0
Change engine oil and filter (or every 12 months, whichever occurs
first).
An Ernission Control Service.
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).
Check readfront axle fluid level and add fluid
as needed. Check
constant velocity joints and axle seals for leaking.”“
Inspect engine accessory drive belts
(os every 24 months, whichever
occurs first).
Arz Emission CmtroI Service.
lnspect camshaft timing belt. An Elnission Contl-01 Senice.
Drain, flush and refill cooling system (or every 24 months, whichever
occurs first). See “Engine Coolant”
in the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck.
Pressure test. the cooling system and pressure
cap. Ai? Emissio~ Control
Service.
(Con tin ued)
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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.
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I Maintenance Schedule II - Diesel Engines
30,000 Miles (48 000 km)
0
0
0
Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emission Control Service.
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).
For vehicles equipped with a 5-speed manual transmission with deep
low: Lubricate the clutch fork ball stud through the fitting
on the clutch
housing. Lubricant must be added
spring1-y to the fitting, as very little
is required to lubricate the ball stud surface. Do not add lubricant more
often than specified.
Too much lubricant will damage the clutch
assembly.
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 Ernission 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.
Replace air cleaner filter.
An Emission Coratrol Service.
For 2-Wheel Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
Replace fuel filter. Replace filter sooner
if it is clogged:?
Inspect shields and underhood insulation for damage or looseness.
Adjust
or replace as required. This is a Noise Emission Control
Service. Applicable only to vehicles sold in the United States.
(Continued)
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60,000 Miles (100 000 km)
o
r
0
0
0
0
E
Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emissim~ Control Ser~~ice.
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).
For vehicles equipped with a 5-speed manual transmission
with deep
low: Lubricate the clutch fork ball stud through the fitting
on the clutch
housing. Lubricant must be added
.spari11gl~* to the fitting, as very little
is required to lubricate the ball stud surface. Do not add lubricant more
often than specified.
Too much lubricant will damage the clutch
assembly.
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. Ar? Emissioll Cor1trol 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.
Replace air cleaner filter.
An Emission Control Set-l*icv.
For 2-Wheel Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
Check the crankcase depression regulator valve system for any worn,
plugged or collapsed hoses. See service manual.
AIZ E~ui.ssio~? Co11troI
ScJr-\,ic*e.
Replace fuel filter. Replace filter sooner if it is clogged.-!-
Check the
EGR System (if equipped) (except Code F engine) as
described in the service manual. At7 EIII~SS~OII Control Service.
(C~)11tin~d)
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Part B: Owner Checks and Services
Listed below are owner checks and services which should be performed at
the intervals specified to help ensure the safety, dependability and emission
control performance of your vehicle.
Be sure any necessary repairs are completed at once. Whenever any fluids
or lubricants are added to your vehicle, make sure they are the proper ones,
as shown in Part D.
At the First 100, 1,000 and 6,000 Miles (160, I 600 and
IO 000 km)
For vehicles with dual wheels, check dual wheel nut torque. For proper
torque, see “Wheel
Nut Torque’’ in the Index.
At Each Fuel Fill
Engine Oil Level
Check the engine oil level and add the proper oil if necessary. See “Engine
Oil”
in the Index for further details.
Engine Coolant Level
Check the engine coolant level and add the proper coolant mix if necessary.
See ”Coolant”
in the Index for further details.
Windshield Washer Fluid Level
Check the windshield washer fluid level in the windshield washer tank and
add the proper fluid if necessary. See ”Windshield Washer Fluid” in the
Index for further details.
At Least Once a Month
Tire Inflation
Check tire inflation. Make sure tires are inflated to the pressures specified
on the Certification/Tire label which is located on the rear edge of the
driver’s door or on the incomplete vehicle document in the cab. See “Tires”
in the Index for further details.
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Engine (continued)
Coolant
..................................................... 6-35
Coolant Heater
...................................... 2.18.3-4. 6.21
Coolant Temperature Gage (See “Gages”)
Control Module System
........................................ 6-57
Diesel Heater Output
............................................ 34
Exhaust
..................................................... 2-32
FanNoise
................................................... 5-25
Identification
....................................... 6-76,677, 6-81
Oil (See “Oil”)
Overheating
.................................................. 5-10
RunningWhileParked
......................................... 2-32
Starting Your Gasoline Engine
................................... 2-12
Starting Your Diesel Engine
..................................... 2-14
Exhaustsystem
................................................. 6-56
F
Filter Replacement Chart (See “Service-Replacement Parts and Filter
Recommendations”)
FinishDamage
.................................................. 6-74
Fluid Capacities (See “Capacities and Specification”)
FluidLeakCheck
................................................ 646
Fluids (See “Scheduled Maintenance Services”)
Fog Lamps (See “Lamps-Fog”)
Four-WheelDrive
.......................................... 2-33, 6-33
Front Axle Locking Feature
..................................... 2-36
Transfer Case
........................................... 2-34, 6-33
Canadian
...................................................... 6-5
Diesel
....................................................... 6-3
FillingYourTank
............................................. 6-11
Fuel
Foreign Countries (Gasoline Engines)
............................. 6-11
Filter Replacement (Diesel Engines)
............................... 6-9
Gage (See “Gages”)
Gasoline
..................................................... 6-2
Gasolines for Cleaner Air
........................................ 6-3
Running Out of Fuel (Diesel Engines)
.............................. 6-8
Tankcapacity
................................................ 6-83
Water in Fuel (Diesel Engines)
............................... 2-74, 6-5
Fuses and Circuit Breakers ................................... 6-79, 6-87
FuseBlock
............................................. 6-80, 6-86
G
Gages Engine Coolant Temperature Gage
................................ 2-80
Oil Pressure Gage
............................................. 2-81
Tamper Resistant Odometer ..................................... 2-69
Trip Odometer
................................................ 2-69
FuelGage
................................................... 2-79
Speedometer
................................................. 2-69
Tachometer
.................................................. 2-70
Voltmeter
.................................................... 2-82
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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
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