Pinion Oil Seal Replacement And Yoke

Tools Required

J 8614-01 Pinion Flange Remover and Installer

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle
2. Remove the propeller shaft.

Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement




3. Mark the position of the following components before disassembly:

(This action will ensure that the correct drive pinion gear inner and outer bearing preload can be maintained.)

•	The drive pinion gear yoke (1)

•	The drive pinion gear (16 or 14)

•	The drive pinion gear nut (1)

•	Refer to Rear Axle With Antilock Brake System (Drum Brakes)




4. Use the J 8614-01 in order to remove the following components:

•	The drive pinion gear nut (1)

•	The drive pinion gear washer (2)

•	Use a suitable container in order to hold any fluid that may drain from the rear axle.

•	Refer to Rear Axle With Antilock Brake System (Drum Brakes)




5. Use the J 8614-01 in order to remove the drive pinion gear yoke (1).

Important: Do not damage the rear axle housing when removing the drive pinion gear seal.




6. Use a blunt chisel in order to drive the drive pinion gear seal (1) out of the rear axle housing.

Remove the drive pinion gear seal (1).

7. Inspect the drive pinion gear seal (6) surface of the drive pinion gear yoke (3) for the following conditions:

•	Tool marks

•

Nicks

•	Damage, such as a groove worn by the drive pinion gear seal.

•	Refer to Rear Axle With Antilock Brake System (Drum Brakes)

8. If the drive pinion gear yoke (3) is damaged, replace the drive pinion gear yoke.

Refer to

Rear Axle With Antilock Brake System (Drum Brakes)

Tools Required

1. Use the J 23911 in order to install a new drive pinion gear seal (1).
2. Apply chassis lubricant or an equivalent to the following components:

•	The outside diameter of the drive pinion gear yoke (3)

•	The sealing lip of the new drive pinion gear seal (6)

•	Refer to Rear Axle With Antilock Brake System (Drum Brakes)




3. Install the drive pinion gear yoke (1).
4. Install the following components:

•	The drive pinion gear washer (2)

•	The drive pinion gear nut (1)

•	Finger tighten the drive pinion gear nut.

•	Refer to Rear Axle With Antilock Brake System (Drum Brakes)




5. While holding the drive pinion gear yoke (1), use the following specifications:

Use the following steps in order to tighten the drive pinion gear nut:

5.1.	Hold the drive pinion gear yoke.

Use the J 8614-01 in order to tighten the drive pinion gear nut to the position that was marked.

5.2.	Use the J 8614-01 in order to tighten the drive pinion gear nut to 1.59 mm (1/16 inch) beyond the alignment mark.

6. Install the propeller shaft.

Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement

7. Measure the rear axle lubricant level.

Add lubricant, if lubricant is required.

Refer to Lubricant Level Check

8. Lower the vehicle.
9. Inspect for correct operation of the rear axle.