GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC Suburban - 2WD 🢒 Driveline/Axle 🢒 Transfer Case - NVG 243-NP1 (Two Speed Selectable) 🢒 Mainshaft Extension/Rear Retainer Housing Disassemble

    Object Number: 153341 Size: SH
  1. Remove the rear extension housing bolts and the rear extension.

    2. Object Number: 2234 Size: SH
  2. Remove the rear bearing retainer snap ring from the mainshaft.
  3. Remove the rear retainer housing bolts.

    4. The rear retainer bolts are shouldered.


    Object Number: 153342 Size: SH
  4. Remove the rear retainer housing from the rear case half.

    5. Object Number: 153345 Size: SH
  5. Remove the vehicle speed sensor rotor snap ring from the mainshaft.

    6. Object Number: 153347 Size: SH
  6. Remove the vehicle speed sensor rotor from the mainshaft.

    7. Object Number: 153351 Size: SH
  7. Remove the rear vehicle speed sensor rotor snap ring from the mainshaft.
  8. Remove the case bolts from the case halves.

    9. Note that the two longer case bolts and washers go into the doweled case holes.

  9. Separate the case halves by inserting two screwdrivers into the slots cast into the case ends.

    10. Pry the two cases apart.

    Do not try to wedge the case halves apart at any point on the mating surfaces. Damage to the case may result.


    Object Number: 2260 Size: SH
  10. Remove the rear case half and the oil pump as an assembly from the front case.

    11. Do not damage the oil pump while removing the rear case halves. (The oil pump is located in the rear case half.)