GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2001 🢒 S/T Isuzu - 4WD 🢒 Driveline/Axle 🢒 Transfer Case - NVG 233-NP1 (Two Speed Selectable) 🢒 Transfer Case Motor/Encoder Replacement

Removal Procedure

    Object Number: 707039 Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the transfer case shield from the vehicle. Refer to Transfer Case Shield Replacement .

    3. Object Number: 662851 Size: SH
  3. Remove the motor/encoder electrical connector.

    4. Object Number: 662850 Size: SH
  4. Remove the motor/encoder mounting bolts.
  5. Remove the motor/encoder from the transfer case.

    6. Important: The motor/encoder gasket does not have to be replaced if the motor/encoder is being removed from the transfer case for other service procedures. Replace the motor/encoder gasket only if damaged. If the motor/encoder is being replaced, a new gasket will come with the replacement motor/encoder.

  6. Remove the motor/encoder gasket from the transfer case.

Installation Procedure

    Object Number: 662851 Size: SH
  1. Install the motor/encoder gasket to the transfer case.

    2. Object Number: 662850 Size: SH

    Important: When performing this service procedure, make sure that the motor/encoder unit is flat against the transfer case for proper installation.

  2. Install the motor/encoder to the transfer case.
  3. Install motor/encoder mounting bolts to the transfer case.

    4. Tighten
    Tighten the motor/encoder mounting bolts to 25 N·m (18 lb ft).

  4. Install the motor/encoder electrical connector.
  5. Install the transfer case shield to the vehicle. Refer to Transfer Case Shield Replacement .
  6. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.