GM Service Manual Online
For 1990-2009 cars only

Object Number: 1846038  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 Two/Four Wheel Drive Synchronizer Insert

Tip
Inspect the inserts for wear.

2

Transfer Case Two/Four Wheel Drive Synchronizer Hub Engagement Teeth

Tip
Inspect the engagement teeth for wear.

3

Transfer Case Two/Four Wheel Drive Synchronizer Hub Splines

Tip
Inspect the splines for loose fit on the rear output shaft.

4

Transfer Case Two/Four Wheel Drive Synchronizer Assembly

Tip
Inspect the synchronizer for wear or chipped teeth.

5

Transfer Case Two/Four Wheel Drive Synchronizer Blocking Ring - Outer

Tip
Inspect the synchronizer ring for wear, damage, or missing material.

6

Transfer Case Two/Four Wheel Drive Synchronizer Blocking Ring - Inner

Tip
Inspect the synchronizer ring for wear or roughness.

7

Transfer Case Two/Four Wheel Drive Synchronizer Sleeve Engagement Teeth

Tip
Inspect the engagement teeth for wear.

8

Transfer Case Two/Four Wheel Drive Synchronizer Sleeve Collar

Tip
Inspect the collar for wear.

9

Transfer Case Two/Four Wheel Drive Shift Fork Inserts

Tip
Inspect the inserts for wear.

10

Transfer Case Shift Fork Spring

Tip
Inspect the spring for breakage.

11

Transfer Case Two/Four Wheel Drive Shift Fork Assembly

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

12

Transfer Case Two/Four Wheel Drive Shift Fork Pin

Tip
Replace the shift fork if the pin is worn.

13

Transfer Case Two/Four Wheel Drive Shift Fork Bore

Tip
Replace the shift fork if the bore is worn.

14

Transfer Case Shift Detent Plunger Cam Lobes

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 .

15

Transfer Case Two/Four Wheel Drive Mode Cam Lobes

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 .