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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.
Draining and refilling the rear axle lubricant
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 of 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.
WHEELS
General
Wheel bearings should be inspected, lubricated and adjusted at regular
intervals. This is especially important if operating in deep sand, mud, or
water. Refer toLubricant specificationsin this chapter.
When installing wheel balance weights, they must be mounted on the
dome-side of the wheel only. Failure to do so may result in loss of wheel
weight and/or damage to brakes or wheels.
Important:Remember to replace the wheel air valves when the road
tires are replaced at the end of their useful life.
Maintenance and Specifications
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ComponentLubrication
typeViscosity /
Ambient
temperature /
NotesEquivalent
Ford part
name / number
Meritor Petroleum oil:
Heavy Duty
Engine Oil
MIL-L-2104E or
API-SL or API-CF
(previous API
designations
acceptable)SAE 50:
Above 10°F
(–12°C)—
SAE 40:
Above 10°F
(–12°C)—
SAE 30:
Below 10°F
(–12°C)Motorcraft SAE
30 Super Duty
Motor Oil /
XO-30-QSD
Mineral gear oil
with rust and
oxidation
inhibitor
API-GL-1Do not
use
multi-weight
and GL-5 EP
gear oils; they
may cause
transmission
failure or
damage.SAE 90:
Above 10°F
(–12°C)—
SAE 80:
Below 10°F
(–12°C)—
Synthetic oil:
MIL-L-2104E or
MIL-L-46152DDo
not use
multi-weight
and GL-5 EP
gear oils; they
may cause
transmission
failure or
damage.SAE 50:
All temperatures—
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ComponentLubrication
typeViscosity /
Ambient
temperature /
NotesEquivalent
Ford part
name / number
Door window
regulatorsNGLI #2
multipurpose
lithium complex
grease— Motorcraft
Multi-Purpose
Grease Spray /
XL-5 or
Motorcraft
Multi-Purpose
Grease / XG-4
Weatherstripping Silicone lubricant — Motorcraft
Silicone Spray /
XL-6
Engine oil
Refer to engine operator manual
Brake fluid
Master cylinder DOT 3,
WSS-M6C62-A or
WSS-M6C65-A1— High
Performance
DOT 3 Motor
Vehicle Brake
Fluid, PM-1-C
(U.S.) or
CPM-1-C
(Canada)
REFILL CAPACITIES
Rear axle
Axle codeWeight capacity
- lb. (kg)DescriptionFluid capacity -
pints (liters)1,2
S135–S 13500 (6123) Single rear axle,
single reduction24.5 (11.6)
4S150–S 15500 (7031) Single rear axle,
single reduction24.5 (11.6)
17060S 17500 (7938) Single rear axle,
single reduction28.0 (13.2)
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Axle codeWeight capacity
- lb. (kg)DescriptionFluid capacity -
pints (liters)1,2
19055T 17500 (7938) Single rear axle,
two-speed28.0 (13.2)
M190T 19000 (8618) Single rear axle,
two-speed35.0 (17.0)
19060S 19000 (8618) Single rear axle,
single reduction28.0 (13.2)
21060S 21000 (9525) Single rear axle,
single reduction28.0 (13.2)
21060D 21000 (9525) Single rear axle,
single reduction
with
driver-controlled
locking
differential28.0 (13.2)
M210T 21000 (9525) Single rear axle,
two-speed16.0 (33.0)
23090S 23000 (10432) Single rear axle,
single reduction39.0 (18.5)
23090D 23000 (10432) Single rear axle,
single reduction
with
driver-controlled
locking
differential39.0 (18.5)
23082T 23000 (10432) Single rear axle,
two-speed37.0 (17.5)
1Quantities listed are approximate. Fill axle until the lubricant level is at
the bottom of the filler hole, with the vehicle on level ground.
2If hubs are removed, add an additional 1.6 pints (0.75L) of axle
lubricant. Add lubricant through the axle vent.
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