GM Service Manual Online
For 1990-2009 cars only

Object Number: 1846031  Size: MF

Callout

Component Name

Notice: Refer to Machined Surface Damage Notice in the Preface section.

Preliminary Procedure

    • Inspect all components or sub-components and perform any repair procedure necessary to fix the damage. If the damage cannot be repaired, replace the component or sub-component as indicated.
    • Clean the front case half in cleaning solvent and air dry.
    • Remove any sealant from the sealing surface.

1

Transfer Case Front Half Assembly

Tip
Inspect for cracks, broken areas, or other damage. The component must be replaced if damage is found.

2

Transfer Case Front Output Shaft Front Bearing Bore

Tip
Replace the front case half assembly if a bearing has spun or if cracks are detected.

3

Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Bore

Tip
Replace the front case half assembly if a bearing has spun or if cracks are detected.

4

Transfer Case Studs (Qty: 6)

Tip
Replace any damaged studs.

5

Transfer Case Input Shaft Bearing Bore

Tip
Replace the front case half assembly if a bearing has spun or if cracks are detected.

6

Case Sealing Surface

Tip
Repair small scratches or nicks with a soft stone.

7

Transfer Case Thread Bolt Holes

Tip
Repair any damaged threads.

8

Transfer Case Locating Pin Holes

Tip
Replace the front half case assembly if the locating pin holes are out of round or damaged.

9

Transfer Case Locating Pins (Qty: 2)

Tip
Repair or replace loose, missing, or damaged locating pins.

10

Transfer Case High/Low Internal Gear

Tip
Replace the front case half assembly if the gear is loose in the case, or if the gear teeth are chipped or embedded with debris.

11

Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Assembly

Tip
Replace the bearing if roughness, brinelling, or pitting is detected. Refer to Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Replacement - Front .