GM Service Manual Online
For 1990-2009 cars only

Object Number: 1843589  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 Input Shaft Seal Surface

Tip
Inspect for pitting, excessive wear, or damage.

2

Transfer Case Input Shaft Bearing Surface

Tip
Inspect for excessive wear, damage, or if the bearing has spun on the shaft.

3

Transfer Case Input Shaft Planetary Teeth

Tip
Inspect for broken, damaged, or debris embedded in the root of the teeth.

4

Transfer Case Input Shaft Pilot Bearing Surface

Tip
If the bearing is removed, inspect for excessive wear, damage, or if the bearing has spun in the bore.

5

Transfer Case High/Low Clutch Engagement Teeth

Tip
Inspect the engagement teeth for chips or excessive wear.

6

Transfer Case Input Shaft Pilot Bearing Assembly

Tip
Replace the bearing if roughness, brinelling, or pitting is detected. Refer to Input Shaft Pilot Bearing Replacement .

7

Transfer Case Front Output Shaft Front Bearing Assembly

Tip
Replace the bearing if roughness, brinelling, or pitting is detected. Refer to Front Output Shaft Front Bearing Replacement .

8

Transfer Case Front Output Shaft Seal Surface

Tip
Inspect for pitting, excessive wear, or damage.

9

Transfer Case Front Output Shaft Front Bearing Surface

Tip
If the bearing is removed, inspect for excessive wear, damage, or if the bearing has spun on the shaft.

10

Transfer Case Front Output Shaft Driven Sprocket Engagement Splines

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

11

Transfer Case Front Output Shaft Rear Bearing Surface

Tip
If the bearing is removed, inspect for excessive wear, damage, or if the bearing has spun on the shaft.

12

Transfer Case Front Output Shaft Hole Plug

Tip
Replace the plug, if removed. Refer to Front Output Shaft Front Bearing Replacement .