GM Service Manual Online
For 1990-2009 cars only

Object Number: 1849357  Size: MF

Callout

Component Name

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 all components in cleaning solvent and air dry.

1

Transfer Case High/Low Clutch Inner Splines

Tip
Inspect the inner splines for excessive looseness on the rear output shaft.

2

Transfer Case High/Low Clutch Teeth

Tip
Inspect the engagement teeth for chips or excessive wear.

3

Transfer Case High/Low Shift Fork Collar

Tip
Inspect the shift fork collar for wear.

4

Transfer Case High/Low Shift Fork Pads

Tip
Inspect the pads for wear.

5

Transfer Case High/Low Shift Fork

Tip
Inspect for cracks, broken areas, or other damage. The component must be replaced if damage is found. Refer to High/Low Shift Fork Replacement .

6

Transfer Case Control Actuator Shaft

Tip
Inspect the shaft splines for excessive wear. The component must be replaced if damage is found. Refer to High/Low Shift Fork Replacement .

7

Transfer Case Actuator Shaft Gear Splines

Tip
Witness marks at the location of the splines is normal.

8

Transfer Case Actuator Shaft Gear Teeth

Tip
Inspect for chipped teeth, excessively worn gear surfaces, and debris embedded in the root of the teeth.

9

Transfer Case High/Low Shift Fork Pin

Tip
Inspect the pin for wear. The component must be replaced if damage is found. Refer to High/Low Shift Fork Replacement .

10

Transfer Case High/Low Shift Fork Spring Assembly

Tip
Inspect the cam lobes for wear or roughness. The component must be replaced if damage is found. Refer to High/Low Shift Fork Replacement .

11

Transfer Case Shift Fork Spring

Tip
Inspect the spring for breakage. The component must be replaced if damage if found. Refer to High/Low Shift Fork Replacement .