Maintenance Schedule I - Gasoline Engines Heavy
Duty Emissions
24,000 Miles (40 000 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
IO" 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).
first).
An Emission Control Service.
0 Check rear/front
axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.'!''"
3 Replace air cleaner filter. Replace filter more often under dusty
conditions.
An Em'ssiolz Control Sen?ice.
3 For 2-Wheel Drive vehicles only: Clean and repack the front wheel
Z Replace fuel filter. Replace filter sooner if it is clogged.+
3 Adjust timing to underhood label specifications. Inspect the inside and
outside of the distributor cap and rotor for cracks. carbon tracking and
corrosion. Clean or replace
as needed. An E~~zission Control Senice.
This is a Noise Emission Control Service.
bearings (or at each brake relining, whichever occurs first).
If your vehicle has a thermostatically controlled air cleaner, inspect all
hoses and ducts for proper hook-up. Be sure the valve works properly.
An Emission Co11trol Service. This is a Noise Emission Control
Service.
Inspect accessory drive (serpentine) belt for cracks, fraying and wear
and check belt for proper tension. Adjust or replace belt
as needed. An
Emission Control Service.
0 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)
7-40
ProCarManuals.com
Maintenance Schedule I - Gasoline Engines Heavy
Duty Emissions
(Continued)
0
0
0
0
0
0
0
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.
Replace air cleaner filter. Replace filter more often under dusty
conditions.
An Emission Control Sewice.
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.?
Adjust timing
to underhood label specifications. Inspect the inside and
outside
of the distributor cap and rotor for cracks, carbon tracking and
corrosion. Clean or replace as needed.
An Emission Control Service.
This is a Noise Emission Control Service.
If your vehicle has a thermostatically controlled air cleaner, inspect all
hoses and ducts for proper hook-up. Be sure the valve works properly.
An Emission Control Service. This is a Noise Emission Control
Service.
Inspect accessory drive (serpentine) belt for cracks, fraying and wear
and check belt for proper tension. Adjust or replace belt as needed.
An
Emission Control Service.
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.\
Check the air intake system installation to assure that gaskets are
properly sealed and that all hose connections, fasteners and other
components are tight. Also check to be sure that the air cleaner housing
is properly seated, the cover fits tightly and the wing nuts are tight.
Tighten connections and fasteners or replace damaged parts as
necessary.
This is a Noise Emission Control Service. Applicable only
to vehicles sold in the United States.
(Continued)
7-47
ProCarManuals.com
