Ford Workshop Service and Repair Manuals

Fluid - Differential: Capacity Specifications

Differential Oil Capacity

Front Differential Fluid Capacity
Ford 8.8 Inch Ring ................................................................................................................................................................................... 3.6 pints (1.7 liters)
0.38 in (9.56mm) below bottom if differential housing fill hole.

Rear Differential Fluid Capacity
Ford 9.75 Inch
Ribbed Cover 
Conventional........................................................................................................................................................................................................... 4.25 pints 
(0.9 in [23mm] below fill hole)

Traction-Loc ........................................................................................................................................................................... 4.25 + 4oz Friction Modifier *
(0.9 in [23mm] below fill hole)

Smooth Cover
Conventional........................................................................................................................................................................................................... 4.25 pints 
(0.9 in [23mm] below fill hole)

Traction-Loc ........................................................................................................................................................................... 4.25 + 4oz Friction Modifier *
(0.9 in [23mm] below fill hole)

*Install Friction Modifier in axle before installing lubricant.