GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 24319-B Steering Linkage and Tie Rod Puller

Removal Procedure

Notice: Do not attempt to free the ball stud by using a pickle fork or wedge type tool, because seal or bushing damage could result. Use the proper tool to separate all ball joints.

  1. Remove the engine shield, if equipped. Refer to Engine Shield Replacement .

  2. Object Number: 1862657  Size: SH

    Important: Discard the idler arm nut.

  3. Remove the idler arm nut (3) from the idler arm (1).
  4. Separate the idler arm (1) from the relay rod (2).

  5. Object Number: 643351  Size: SH
  6. Remove the idler arm from the relay rod using puller J 24319-B .

  7. Object Number: 340442  Size: SH
  8. Remove the idler arm bolts (3) and the nuts (1) at the vehicle frame.
  9. Remove the idler arm (2) from the vehicle.

Installation Procedure


    Object Number: 340442  Size: SH
  1. Position the idler arm (2) to the vehicle frame.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the idler arm bolts (3) and nuts (1) to the frame.
  4. Tighten
    Tighten the bolts and nuts to 105 N·m (78 lb ft).


    Object Number: 1862657  Size: SH
  5. Install the idler arm (1) to the relay rod (2).
  6. Important: Do not reuse the old idler arm nut.

  7. Install the new idler arm nut (3) to the idler arm (1).
  8. Tighten
    Tighten the nut to 62 N·m (46 lb ft).

  9. Install the engine shield, if equipped. Refer to Engine Shield Replacement .
  10. Adjust the front toe. Refer to Front Toe Adjustment .