GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2000 🢒 Isuzu MD Steel Tilt (F Model) 🢒 General Information 🢒 General Information 🢒 Two Speed Rear Axle Shift Motor Replacement

Removal Procedure
  1. Shift the axle control switch to the LOW range.

    2. Object Number: 199043 Size: SH
  2. Remove the wiring harness clip nut (1).
  3. Remove the wiring harness clip (2) from the stud.

    4. Object Number: 199122 Size: SH
  4. Disconnect the wiring harness connector.

    5. Object Number: 199050 Size: SH
  5. Remove the shift motor assembly mounting stud nuts (1) and washers (2).
  6. Remove the shift motor assembly (6).
  7. Remove the spring from the shift fork (4).
  8. Remove the seal (5) from the differential carrier housing (3).

Installation Procedure

    Object Number: 199050 Size: SH
  1. Install the seal (5) onto the differential carrier housing (3).
  2. Install the spring onto the shift fork (4).
  3. Lubricate the shift fork (4) and the shift motor assembly activator lever using a thin coat of rear axle lubricant.

    4. Important: Ensure that the motor lever engages with the shift fork (4).

  4. Install the shift motor assembly (6) onto the mounting studs.

    5. 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. Install the washers (2) and the shift motor mounting stud nuts (1).

    6. Tighten
    Tighten the nuts (1) to 54 N·m (40 lb ft).


    Object Number: 199122 Size: SH
  6. Connect the wiring harness connector to the shift motor assembly.

    7. Object Number: 199043 Size: SH
  7. Install the wiring harness clip (2) onto the stud.
  8. Install the wiring harness clip nut (1).

    9. Tighten
    Tighten the nuts (1) to 1.9 N·m (17 lb in).

  9. Turn the ignition switch to the ON position.
  10. Verify proper operation of the system.