GM Service Manual Online
For 1990-2009 cars only
  1. Use a solvent and stiff brush to clean the exterior of the transfer case.
  2. Remove the following components from the front output shaft:
  3. • The front output yoke nut
    • The washer
    • The rubber sealing washer
    • The front output yoke
  4. Remove the four-wheel drive actuator switch and the O-ring seal.

  5. Object Number: 153330  Size: SH
  6. Remove the vehicle speed sensor and the O-ring seal.

  7. Object Number: 153338  Size: SH
  8. Remove the following components:
  9. • The detent plug
    • The O-ring seal
    • The detent spring
    • The detent plunger