GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2007 🢒 Isuzu MD F-Series 🢒 Steering 🢒 Power Steering 🢒 Upper Steering Shaft Assembly Replacement

Removal Procedure

    Object Number: 228516 Size: SH
  1. Position the front wheels and the steering wheel straight ahead.
  2. Tilt the cab. Refer to Cab Tilting .
  3. Mark the position of the steering gear input shaft and the lower cardan joint (1) of the lower steering shaft.
  4. Remove the following components from the lower cardan joint (1):
    5. 4.1. The nut (2)
    4.2. The washer
    4.3. The cardan bolt (3)
  5. Gently pry the lower cardan joint (1) off from the steering gear input shaft.
  6. Retract the lower steering shaft toward the cab.
  7. Close the cab slowly. Ensure that the lower steering shaft does not contact the cab.

    8. Object Number: 228496 Size: MH
  8. Remove the steering wheel (3). Refer to Steering Wheel Replacement .
  9. Remove the following components from the upper steering shaft assembly (7):
    10. • The left side cowl half screws
    • The right side cowl half screws
    • The left side cowl half (12)
    • The right side cowl half (5)
  10. Remove the electrical connector from the ignition switch (6).
  11. Remove the following components from the upper steering shaft assembly (7):
    12. 11.1. The combination switch screws
    11.2. The combination switch (4)
  12. Disconnect the electrical connector from the ignition switch (6).
  13. Remove the following components from the upper steering shaft assembly (7):
    14. 13.1. The ignition switch screws
    13.2. The ignition switch (6)
  14. Remove the following components from the wire harness:
    15. • The wiring harness screw
    • The clamp
  15. Remove the tie wraps from the wiring harness, as necessary.

    16. Object Number: 228520 Size: SH
  16. Remove the following components from the vehicle:
    17. • Upper steering shaft assembly mounting bolts (2)
    • Upper steering shaft assembly (1)

Installation Procedure

    Object Number: 228520 Size: SH
  1. Install the following components to the vehicle:
    2. • Upper steering shaft assembly (1)
    • Upper steering shaft assembly mounting bolts (2)

    Object Number: 228496 Size: MH
  2. Connect the ignition switch (6) to the upper steering shaft assembly (7). Secure the ignition switch with the following components:
    3. • The wiring harness clamp
    • The screws
  3. Connect the electrical connector to the ignition switch (6).
  4. Connect the combination switch (4) to the upper steering shaft assembly (7). Secure the combination switch with screws.
  5. Connect the electrical connector to the combination switch (4).
  6. Install the wiring harness clamp to the upper steering shaft assembly (7). Secure the clamp with a screw.
  7. Install the tie wraps to the wiring harness, as necessary.
  8. Install the following components to the upper steering shaft assembly:
    9. • Left side cowl half (12)
    • Right side cowl half (5)
    • Secure the cowl halves with screws
  9. Position the boot (8) over the lower steering shaft cover (9).
  10. Install the steering wheel (3).
  11. Slowly tilt the cab. Ensure that the lower steering shaft does not come in contact with the cab.
  12. Align the marks on the steering gear input shaft and the lower cardan joint (1) of the lower steering shaft.
  13. Position the lower steering shaft lower cardan joint (1) on the steering gear input shaft.

    14. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 228516 Size: SH
  14. Install the following components:
    15. • The lower cardan joint bolt (3)
    • The lower cardan joint washer
    • The lower cardan joint nut (2)

    Tighten
    Tighten to 55 N·m (41 lb ft).

  15. Lower the cab.