Ford Mustang (1999-2004) Service Manual: Rear Drive Halfshafts
General Specifications

Torque Specifications

Rear Drive Halfshafts (Description and Operation)
The rear wheel drive halfshaft system consists of and operates as
follows:
Halfshafts (4K138) transmit engine torque from the rear axle housing to
the rear wheels.
Halfshafts rotate at approxi ...
Other materials:
Installation
1. Inspect the rear axle pinion flange seal journal for rust, nicks, and
scratches prior to installing
the flange. Polish the seal journal with fine crocus cloth, if necessary.
2. Lubricate the rear axle pinion flange splines.
Use SAE 75W-140 High Performa ...
Assembly
Initial assembly
1. Coat the new differential drive pinion bearing cup(s) with lubricant.
Use SAE 75W-140 High Performance Rear Axle Lubricant F1TZ-19580-B or
equivalent
meeting Ford specification WSL-M2C192-A.
2. Using the special tool, install the diff ...
Engine and Radiator Flushing
Special Tool(s)
Coolant System
Drain/Flush/Fill
164-R3673 or equivalent
Flush Kit
164-R3658 or equivalent
Drain Kit
164-R3662 or equivalent
Material
Item
Specification
Motorcraft Premium Cooling
...
