FORD 2003 F-150 v.1 - Manual (Page 259)

Add 118 ml (4 oz.) of Additive Friction Modifier XL-3 or equivalent
meeting Ford specification EST-M2C118–A, for complete fill of 8.8 inch
and 9.75 inch Traction-Lok axles.
7 Service refill capacity is determined by filling the axle to the bottom of
the filler hole with the vehicle on a level surface.
For 10.25 inch Traction-Lok axles, use 3.1L (6.5 pints) of Motorcraft SAE
75W-140 Synthetic Rear Axle Lubricant and 236 ml (8 oz.) of Additive
Friction Modifier XL-3 or equivalent meeting Ford Specification
EST-M2C118-A.
LUBRICANT SPECIFICATIONS
Item
Ford part
name or
equivalent
Ford part
number Ford
specification
Front axle
(4X4)
Motorcraft SAE
75W-90
Premium 4x4
Front Axle
Lubricant XY-75W90-TQL WSP-M2C201-A
Rear axle
Motorcraft SAE
75W-140 High
Performance
Synthetic Rear
Axle Lube
1
XY-75W140–QL WSL-M2C192-A
Brake fluid and
clutch fluid
Motorcraft High
Performance
DOT 3 Motor
Vehicle Brake
Fluid PM-1 ESA-M6C25-A
and DOT 3
Maintenance and Specifications
259