F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
7. Mark the driveshaft rear axle pinion flange in relation to the drive pinion stem to ensure correct alignment during installation.
8. Use the special tool to remove the rear axle pinion flange.
Installation
1. Lubricate the rear axle pinion flange splines with rear axle lubricant.
2. NOTE: Disregard the scribe marks if a new rear axle pinion flange is being installed.
Align the rear axle pinion flange with the drive pinion shaft.
3. With the drive pinion in place in the rear axle housing, install the rear axle pinion flange using the special tool.