Pitman Arm Replacement Commercial

Tools Required

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the relay rod nut and the cotter pin from the pitman arm ball stud.

Notice: Do not attempt to disconnect a steering linkage joint by driving a wedge between the joint and the attached part. Seal damage may result which will cause premature failure of the joint.

3. Use the J 24319-B in order to remove the relay rod (3) from the pitman arm (5).
4. Mark the pitman arm and the pitman shaft. This will ensure the proper alignment of the pitman arm and the shaft during assembly.
5. Remove the pitman arm nut and the washer.




Notice: Do not hammer on the pitman arm, pitman arm shaft or puller. Damage to the pitman arm or steering gear may result.

6. Use the J 6632-01 or the J 29107-A in order to remove the pitman arm.
7. Inspect the ball stud threads for damage.
8. Inspect the ball stud seals for excessive wear.
9. Clean the following components:

•	The threads on the ball stud

•	The threads in the ball stud nut

Tools Required

1. Install the pitman arm (5) on the pitman shaft.

Align the marks made during disassembly.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the pitman arm washer and the nut.

Tighten
Tighten the pitman arm nut to 250 N·m (184 lb ft).




3. Install the relay rod to the pitman arm ball stud.
4. Tighten the J 29193 or the J 29194 to 54 N·m (40 lb ft) in order to seat the tapers.
5. Remove the J 29193 or the J 29194 .
6. Remove the tool.



7. Install the relay rod nut and the cotter pin to the pitman arm ball stud.

Tighten
Tighten the pitman arm (5) to the relay rod (3) to 90 N·m (66 lb ft).

8. Lower the vehicle.

Pitman Arm Replacement Motorhome

Tools Required

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the relay rod nut or the connecting rod castellated nut and the cotter pin from the pitman arm ball stud.

Notice: Do not attempt to disconnect a steering linkage joint by driving a wedge between the joint and the attached part. Seal damage may result which will cause premature failure of the joint.

3. Use the J 24319-B in order to remove the relay rod (5) or the connecting rod (3) from the pitman arm (JB8 configuration shown).
4. Mark the pitman arm (4) and the pitman shaft. This will ensure the proper alignment of the pitman arm and the shaft during assembly.
5. Remove the pitman arm nut and the washer.

Notice: Do not hammer on the pitman arm, pitman arm shaft or puller. Damage to the pitman arm or steering gear may result.




6. Use the J 6632-01 or the J 29107-A in order to remove the pitman arm.
7. Inspect the ball stud threads for damage.
8. Inspect the ball stud seals for excessive wear.
9. Clean the following components:

•	The threads on the ball stud

•	The threads in the ball stud nut

Tools Required

1. Install the pitman arm (4) on the pitman shaft.

Align the marks made during disassembly.

Important: If a clamp-type pitman arm is used, use a wedge in order to spread the pitman arm only enough in order to slip the arm onto the pitman shaft. Do not spread the pitman arm more than is necessary in order to slip the arm over the pitman shaft with hand pressure.

2. Use the wedge tool (1) in order to spread the pitman arm (4) at a gap (5) of 7.1 mm (0.28 in) when using a replacement clamp type pitman arm. Maximum expansion with the wedge tool in place should read 0.10 mm (0.004 in) on the dial indicator (3). Distance (2) is 30.2 mm (1.19 in).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the pitman arm washer and the nut.

•	Tighten the pitman arm nut to 170 N·m (125 lb ft).

•	Tighten the nut with washer of the clamp-type pitman arm for JF9 applications to 135 N·m (100 lb ft).




4. Install the relay rod or the connecting rod to the pitman arm ball stud, tightening the installer tool.

Tighten
Tighten the J 29193 or the J 29194 to 54 N·m (40 lb ft) in order to seat the tapers.

5. Remove the J 29193 or the J 29194 .
6. Remove the tool.



7. Install the relay rod nut or the connecting rod castellated nut and the cotter pin to the pitman arm ball stud.

Tighten
Tighten the pitman arm (4) to relay rod (5) to 159 N·m (117 lb ft) for JB8 and JF9 applications (JB8 shown).

8. Lower the vehicle.

Pitman Arm Replacement With I-Beam Axle Assembly

Tools Required

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the connecting rod castellated nut and the cotter pin from the pitman arm ball stud.

Notice: Do not attempt to disconnect a steering linkage joint by driving a wedge between the joint and the attached part. Seal damage may result which will cause premature failure of the joint.

3. Use the J 24319-B in order to remove the connecting rod (7) from the pitman arm (8).
4. Mark the pitman arm and the pitman shaft. This will ensure the proper alignment of the pitman arm and the shaft during assembly.
5. Remove the pitman arm nut and the washer.




Notice: Do not hammer on the pitman arm, pitman arm shaft or puller. Damage to the pitman arm or steering gear may result.

6. Use the J 6632-01 or the J 29107-A in order to remove the pitman arm.
7. Inspect the ball stud threads for damage.
8. Inspect the ball stud seals for excessive wear.
9. Clean the following components:

•	The threads on the ball stud

•	The threads in the ball stud nut

Tools Required

1. Install the pitman arm (8) on the pitman shaft.

Align the marks made during disassembly.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the pitman arm washer and the nut.

Tighten
Tighten the pitman arm nut to 255 N·m (188 lb ft).




3. Install the connecting rod to the pitman arm ball stud, tightening the installer tool.

Tighten
Tighten the J 29193 or the J 29194 to 54 N·m (40 lb ft) in order to seat the tapers.

4. Remove the J 29193 or the J 29194 .
5. Remove the tool.



6. Install the connecting rod castellated nut and the cotter pin to the pitman arm ball stud. Advance the castellated nut in order to align the nut slot with the cotter pin hole. Do not back off the nut in order to align the cotter pin hole. Insert a new cotter pin of the correct size.

Tighten
Tighten the connecting rod (7) to the pitman arm (8) to 159 N·m (117 lb ft).

7. Lower the vehicle.