GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39256 Pitman Arm Puller

Removal Procedure

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

    Important: Pitman arms are non-repairable. Replace the pitman arm when the arm becomes damaged or worn.

  1. Position the front wheels and the steering wheel straight ahead.
  2. Tilt the cab. Refer to Cab Tilting .

  3. Object Number: 1395689  Size: SH
  4. Loosen the pitman arm nut (1) approximately one turn.
  5. Remove the relay rod from the pitman arm. Refer to Relay Rod Replacement .
  6. Mark the position of the pitman arm on the pitman shaft.
  7. Remove the pitman arm nut.

  8. Object Number: 1395715  Size: SH
  9. Using J 39256 remove the pitman arm from the steering gear.

Installation Procedure

  1. Align the position marks on the pitman arm and the pitman shaft.

  2. Object Number: 1395689  Size: SH
  3. Install the pitman arm (2) to the steering gear.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install a new pitman arm nut (1).
  6. Tighten
    Tighten the nut to 370 N·m (275 lb ft).

  7. Stake the pitman arm nut to the pitman arm shaft.
  8. Install the relay rod to the pitman arm. Refer to Relay Rod Replacement .
  9. Lower the cab.