Page 209 of 256

TRANSMISSION FLUID
Always dispose of used automotive fluids in a responsible manner.
Follow your community's standards for disposing of these types of fluids.
Call your recycling center to find out about recycling automotive fluids.
Automatic transmission fluid
Refer to your Allison Automatic Transmission Operator's Manual for
scheduled intervals for transmission fluid checks and changes. Your
transmission does not consume fluid. However, the fluid level should be
checked if the transmission is not working properly, i.e., if the
transmission slips or shifts slowly or if you notice some sign of fluid
leakage.
Transmission fluid level should be checked by your dealer or a qualified
service technician.
If you must add transmission fluid, make sure the correct type of fluid is
being used. The type of fluid used is indicated in your Allison Automatic
Transmission Operator's Manual.
Use of a non-approved automatic transmission fluid may cause
internal transmission component damage.
Manual transmission fluid
Refer to your scheduled maintenance guide for transmission fluid level
checks and fluid change intervals.
Your manual transmission may be filled with an optional synthetic fluid
which allows the use of extended service intervals. A tag on the filler
plug will identify the use of the synthetic fluid.
Use only fluid that meets Ford specifications (refer toLubricant
specificationsin this chapter.
Use of a non-approved transmission fluid may cause internal
transmission component damage.
For location of the transmission filler plug, refer to your transmission
operator's manual orTransmission refill capacitiesin this chapter.
Check your transmission fluid level using the following procedure:
1. Park the vehicle on level ground.
2. Set the parking brake and shift into 1 (First) and turn the engine off.
3. Clean any dirt from around the filler plug.
Maintenance and Specifications
209
Page 210 of 256

4. Remove the filler plug and inspect the fluid level.
5. The fluid level should be up to the bottom of the filler plug opening.
6. If necessary, add enough fluid through the filler plug opening so that
the fluid level is at the bottom of the opening.
7. Clean and install the filler plug securely.
Drain and refill your transmission fluid using the following procedure:
1. Drain the transmission while the fluid is warm.
2. Park the vehicle on level ground.
3. Set the parking brake and shift into 1 (First) and turn the engine off.
4. Clean any dirt from around the filler and drain plugs.
5. Remove the filler and drain plugs and drain the fluid into a suitable
container. Dispose all used automotive fluids in a responsible manner
following your local authorized standards.
6. Clean and install the drain plug securely.
7. Add enough fluid through the filler plug opening so that the fluid level
is up to the bottom of the opening.
8. Clean and install the filler plug securely.
REAR AXLE LUBRICANT
Refer to your Scheduled Maintenance Guide for rear axle lubricant level
checks and lubricant change intervals.
Your rear axle may be filled with an optional synthetic lubricant which
allows the use of extended service intervals. A tag on the filler plug will
identify the use of the synthetic lubricant.
Use only a lubricant that meets Ford specifications (refer toLubricant
specificationsin thischapter).
Use of a non-approved rear axle lubricant may cause internal axle
component damage.
Check your rear axle lubricant level using the following procedure:
1. Park the vehicle on level ground.
2. Set the parking brake and shift into N (Neutral) (automatic
transmission) or 1 (First) (manual transmission) and turn the engine off.
3. Clean any dirt from around the rear axle filler plug.
4. Remove the filler plug and inspect the lubricant level.
Maintenance and Specifications
210
Page 211 of 256

5. The lubricant level should be up to the bottom of the filler plug
opening.
6. If necessary, add enough lubricant through the filler plug opening so
that the lubricant level is at the bottom of the opening.
7. Clean and install the filler plug securely.
Drain and refill your rear axle lubricant using the following procedure:
1. Drain the rear axle while the lubricant is warm.
2. Park the vehicle on level ground.
3. Set the parking brake and shift into N (Neutral) (automatic
transmission) or 1 (First) (manual transmission) and turn the engine off.
4. Clean any dirt from around the rear axle filler and drain plugs.
5. Remove the filler and drain plugs and drain the lubricant into a
suitable container. Dispose all used automotive fluids in a responsible
manner following your local authorized standards.
6. Clean and install the drain plug securely.
7. Add enough lubricant through the filler plug opening so that the
lubricant level is up to the bottom of the opening.
8. Clean and install the filler plug securely.
AIR FILTER
When to service
Your vehicle is equipped with an air filter restriction gauge to determine
when to replace the air filter element. It is not possible to determine the
need for service by visually inspecting the air filter.
When the yellow indicator on the air
filter restriction indicator reaches
the red line, the air filter element
should be replaced.
Each time the air filter element is
replaced, reset the air filter
restriction indicator by pressing the
red button.
Maintenance and Specifications
211
Page 213 of 256
²Caterpillar 3126 B engine
Replace the air filter element using the following procedure:
1. Set the parking brake and shift into N (Neutral) (automatic
transmission) or 1 (First) (manual transmission) and turn the engine off.
2. Open the hood. Protect yourself from engine heat.
3. Push in and turn the latches that retain the air filter housing cover
counterclockwise 90 degrees, then carefully remove the cover.
4. Carefully remove the air filter element.Use caution to keep dirt
and debris from falling into the engine.A twisting rocking motion
may be needed to break the seal between the filter element and the filter
housing.
Maintenance and Specifications
213
Page 225 of 256
Item Ford Part NameFord Part
NumberFord
Specification
Spring leaves,
transmission
linkage pivots,
brake and
clutch pedal
pivots and
clevises,
transmatic
detent stop,
starter motor.Motorcraft SAE
10W30 Super
Duty Motor OilXO-10W30-QSD WSS-M2C171-C
Automatic
transmissionRefer to the Allison Automatic Transmission Operator's
manual.
Rear axle and
front wheel
bearings (oil
filled)
1
Motorcraft SAE
80W-90 Premium
Rear Axle
LubricantXY-80W90-QL WSP-M2C197-A
Motorcraft SAE
75W-140 High
Performance Rear
Axle LubricantXY-75W-140±QL WSL-M2C192-A
Manual
transmission
1Motor oil SAE 50
(above -18ÉC
[0ÉF])2WSE-M2C908-A
Motorcraft SAE 30
Super Duty Motor
oil (below -18ÉC
[0ÉF])XO-30-QSD
3WSS-M2C171-C
Engine oil
-7.3L Power
Stroke
engine
1, 4
Motorcraft Super
Duty Motor oilXO-15W40-QSD3
XO-10W30-QSD3WSS-M2C171-C
Motorcraft SAE
0W-30 Super All
Season Motor oil
(synthetic)XO-0W30-LAS
Maintenance and Specifications
225
Page 237 of 256

Daily Owner Checks Engine system
Check the air filter restriction indicator
Check the engine oil
Inspect the coolant level - for Powerstroke
engine (for Caterpillar and Cummins engines,
refer to the Owner's Manual)
Brake system
Drain the air brake system reservoir - manual
valve
Check the air brake system reservoir
automatic drain valve operation
Transmission system
Visually check the automatic transmission for
fluid leakage
Steering system
Check the power steering pump fluid level and
check the system for leaks
Check the entire vehicle for evidence of fluid
leaks
U.S. Department of Transportation,
Federal Highway Administration
requirements (ensure that the entire
system is functioning properly)
Check the service brakes
Check the parking brake
Check the steering mechanism
Check the lighting devices and reflectors
Check the tires
Check the horn
Check the windshield wipers
Check the rear vision mirrors
Check the wheels and rims
Check the emergency equipment
General Maintenance Information
237
Page 240 of 256

80 000 KM / 50 000 MILES
²Disassemble the single check valve (SC-2) and the automatic drain
valve (DB±2) Ð clean and inspect the valve for wear and
deterioration.
100 000 KM / 60 000 MILES
²Replace the engine spin-on coolant filter.*
²Oil filled front hubsÐ drain oil, adjust bearings and refill the front
hubs with oil. (Not required when equipped with optional synthetic
lubricant.)
²Drain the oil, adjust the bearing and refill with axle lubricant Ð oil
filled hubs.
²Replace the fuel filter.*
²Change the manual transmission oil Ð Eaton 5 and 6 speeds only.
(Not required when equipped with optional synthetic lubricant.)
110 000 KM / 70 000 MILES
²Replace the engine spin-on coolant filter.*
²Replace the engine coolant.* See the engine manufacturer's operating
guide for supplemental corrosion inhibitor specifications.
130 000 KM / 80 000 MILES
²Replace the fuel filter.*
150 000 KM / 90 000 MILES
²Replace the engine spin-on coolant filter*.
²Repack and adjust the front wheel bearings Ð grease-filled hubs.
²Change the lubricant in the manual shift transmission ± 7 speed
Spicer. (Not required when equipped with optional synthetic
lubricant.)
²Change the power steering fluid and filter.
General Maintenance Information
240
Page 241 of 256

160 000 KM / 100 000 MILES
²Disassemble the single check valve (SC-3) and the automatic drain
valve (DB±2) Ð clean and inspect the valves for wear and
deterioration.
²Lube the clutch release and the cross shaft lever.
²Replace the fuel filter.*
²Change the rear axle lubricant. (Not required when equipped with
optional synthetic lubricant.)
400 000 KM / 250 000 MILES
²Change the rear axle lubricant when equipped with optional synthetic
lubricant.
500 000 KM / 300 000 MILES
²Disassemble the air dryer, replace the desiccant and check the
mounting of the dryer to the vehicle (if equipped).
Please continue with these scheduled maintenance intervals for your
vehicle.
* Shown intervals are for Powerstroke engine only. Refer to Caterpillar
and Cummins Owner Manuals for intervals for their respective engines.
800 000 KM / 500 000 MILES
²Change the lubricant in the manual shift transmission (all
applications) when equipped with optional synthetic lubricant.
General Maintenance Information
241