GM Service Manual Online
For 1990-2009 cars only

Relay Rod Replacement Commercial

Removal Procedure

Tools Required

J 24319-B Universal Steering Linkage Puller


    Object Number: 310069  Size: MH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the inner tie rod (1) from the relay rod (3). Refer to Tie Rod Replacement .
  3. Remove the nuts from the idler arm (7) and the pitman arm (5).

  4. Object Number: 497235  Size: SH

    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.

  5. Use the J 24319-B in order to remove the relay rod from the idler arm.
  6. Use the J 24319-B in order to remove the relay rod from the pitman arm or the relay arm.
  7. Inspect the following components for damage or excessive wear:
  8. • The threads on the tie rod and the tie rod end
    • The ball stud threads
    • The ball stud seals
  9. Clean the following components:
  10. • The threads on the ball stud
    • The threads in the ball stud nut

Installation Procedure

Tools Required

    • J 29193 Steering Linkage Installer (12 mm)
    • J 29194 Steering Linkage Installer (14 mm)

    Object Number: 310069  Size: MH
  1. Install the relay rod (3) to the idler arm (7).
  2. Install the relay rod to the pitman arm (5).
  3. Ensure that the seal is on the stud.


    Object Number: 240740  Size: SH

    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.

  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. Install the nuts to the idler arm and the pitman arm.
  7. Tighten
    Tighten the nuts to 90 N·m (66 lb ft).

  8. Install the inner tie rod end to the relay rod. Refer to Tie Rod Replacement .
  9. Lower the vehicle.

Relay Rod Replacement Motorhome

Removal Procedure

Tools Required

J 24319-B Universal Steering Linkage Puller


    Object Number: 310071  Size: MH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the inner tie rod from the relay rod (5). Refer to Tie Rod Replacement .
  3. Remove the nuts from the idler arm (12) and the pitman arm (4) or the relay arm (8) ball studs at the relay rod (5).

  4. Object Number: 497235  Size: SH

    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.

  5. Use the J 24319-B in order to remove the relay rod from the idler arm.
  6. Use the J 24319-B in order to remove the relay rod from the pitman arm or the relay arm.
  7. Inspect the following components for damage or excessive wear:
  8. • The threads on the tie rod and the tie rod end
    • The ball stud threads
    • The ball stud seals
  9. Clean the following components:
  10. • The threads on the ball stud
    • The threads in the ball stud nut

Installation Procedure

Tools Required

    • J 29193 Steering Linkage Installer (12 mm)
    • J 29194 Steering Linkage Installer (14 mm)

    Object Number: 310071  Size: MH
  1. Install the relay rod (5) to the idler arm (12).
  2. Install the relay rod (5) to the pitman arm (4) to the relay arm (8) ball stud.
  3. Ensure that the seal is on the stud.

  4. Object Number: 240740  Size: SH

    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.

  5. Tighten the J 29193 or the J 29194 to 54 N·m (40 lb ft) in order to seat the tapers.
  6. Remove the J 29193 or the J 29194 .
  7. Install the nuts to the idler arm and the pitman arm or the relay arm ball stud.
  8. Tighten

        • Tighten the idler arm to the relay rod to 90 N·m (66 lb ft).
        • Tighten the pitman arm to the relay rod to 159 N·m (117 lb ft).
        • Tighten the relay rod to the relay arm to 159 N·m (117 lb ft).
  9. Install the inner tie rod end to the relay rod. Refer to Tie Rod Replacement .
  10. Lower the vehicle.