F 150 Heritage 4WD Pickup V8-5.4L CNG VIN M (2004)
Removal
1. Remove the pinion flange.
2. Force up on the metal flange of the rear axle drive pinion seal. Install gripping pliers and strike with a hammer until the pinion seal is removed.
Installation
1. Lubricate the new rear axle drive pinion seal.
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Use Premium Long-Life Grease XG-I-C or equivalent meeting Ford specification ESA-MlC75-B.
2. CAUTION: If the rear axle drive pinion seal becomes misaligned during installation, remove the seal and install new.
Using the special tool, install the rear axle drive pinion seal.
3. Install the pinion flange.
