GM Service Manual Online
For 1990-2009 cars only

Pitman Arm Replacement RWD

Removal Procedure

Tools Required

    • J 24319-B Universal Steering Linkage Puller
    • J 29107-A Pitman Arm Puller

Important: Use the proper tool in order to separate all of the ball joints.

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 413910  Size: SH
  3. Remove the prevailing torque nut (2) from the connecting rod (1) ball stud at the pitman arm (3).
  4. Discard the prevailing torque nut (2).

  5. Use the J 24319-B in order to remove the connecting rod (1) from the pitman arm (3).
  6. Remove the prevailing torque nut (4) and the washer (5) from the steering gear shaft.
  7. • Discard the prevailing torque nut (4).
    • Mark the pitman arm (3) and the pitman shaft in order to permit proper alignment during assembly.

    Object Number: 284532  Size: SH

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

  8. Use the J 29107-A in order to remove the pitman arm (1).
  9. Inspect the ball stud threads for damage.
  10. Inspect the ball stud seals for excessive wear.
  11. Clean the threads on the ball stud and the ball stud nut.

Installation Procedure

Tools Required

J 29193 Steering Linkage Installer (12 mm)


    Object Number: 413910  Size: SH
  1. Align the marks made on the pitman arm (3) during removal in order to install the pitman arm (3) on the pitman shaft.
  2. 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 washer (5) and the new prevailing torque nut (4).
  4. Tighten
    Tighten the prevailing torque nut to 250 N·m (185 lb ft).


    Object Number: 240740  Size: SH
  5. Use the J 29193 in order to install the connecting rod ball stud to the pitman arm.
  6. Ensure that the seal is on the stud.

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

  7. Remove the J 29193 .

  8. Object Number: 413910  Size: SH
  9. Install the new prevailing torque nut (2) to the connecting rod (1) ball stud at the pitman arm (3).
  10. Tighten
    Tighten the prevailing torque nut to 62 N·m (48 lb ft).

  11. Lower the vehicle.

Pitman Arm Replacement F4WD

Removal Procedure

Tools Required

    • J 24319-B Universal Steering Linkage Puller
    • J 29107-A Pitman Arm Puller

Important: Use the proper tool in order to separate all of the ball joints.

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 473141  Size: SH
  3. Remove the prevailing torque nut (5) from the connecting rod (7) ball stud at the pitman arm (2).
  4. Discard the prevailing torque nut (5).

  5. Use the J 24319-B in order to remove the connecting rod from the pitman arm.
  6. Lower the vehicle.
  7. Remove the power steering gear. Refer to Steering Gear Replacement in Power Steering System.
  8. Remove the prevailing torque nut (4) and the washer (3) from the steering gear shaft.
  9. • Discard the prevailing torque nut (4).
    • Mark the pitman arm (2) and the pitman shaft in order to permit proper alignment during assembly.

    Object Number: 284532  Size: SH

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

  10. Use the J 29107-A in order to remove the pitman arm (1).
  11. Inspect the ball stud threads for damage.
  12. Inspect the ball stud seals for excessive wear.
  13. Clean the threads on the ball stud and the ball stud nut.

Installation Procedure

Tools Required

J 29193 Steering Linkage Installer (12 mm)


    Object Number: 473141  Size: SH
  1. Align the marks made on the pitman arm (2) during removal in order to install the pitman arm (2) on the pitman shaft.
  2. 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 washer (3) and the new prevailing torque nut (4).
  4. Tighten
    Tighten the prevailing torque nut to 250 N·m (185 lb ft).

  5. Install the power steering gear. Refer to Steering Gear Replacement in Power Steering System.
  6. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  7. Object Number: 240740  Size: SH
  8. Use the J 29193 in order to install the connecting rod ball stud to the pitman arm.
  9. Ensure that the seal is on the stud.

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

  10. Remove the J 29193 .

  11. Object Number: 473141  Size: SH
  12. Install the new prevailing torque nut (5) to the connecting rod (7) ball stud at the pitman arm (2).
  13. Tighten
    Tighten the prevailing torque nut to 62 N·m (48 lb ft).

  14. Lower the vehicle.