Chevrolet Silverado / GMC Sierra. Manual — part 2852

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 Inserts
Tip: Inspect the inserts 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.

6

Transfer Case Control Actuator Shaft
Tip: Inspect the shaft for straightness.

7

Transfer Case Shift Fork Spring
Tip: Inspect the spring for breakage.

8

Transfer Case High/Low Shift Fork Pin
Tip: Inspect the pin for wear.

9

Transfer Case Two/Four Wheel Drive Mode
Cam Lobes
Tip: Inspect the cam lobes for wear or
roughness.

10

Transfer Case Shift Detent Plunger Cam Lobes
Tip: Inspect the cam lobes for wear or
roughness.

11

Transfer Case Shift Detent Lever Shaft
Tip: Inspect for scoring, brinelling, pitting, or
excessive wear.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 1222/1225/1226-NQG - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

TWO/FOUR WHEEL DRIVE SHIFT COMPONENTS CLEANING AND INSPECTION

Fig. 35: View Of Two/Four Wheel Drive Shift Component Inspection Points
Courtesy of GENERAL MOTORS CORP.

12

Transfer Case High/Low Shift Fork Cam Lobes
Tip: Inspect the cam lobes for wear or
roughness.

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.
Transfer Case Two/Four Wheel Drive

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 1222/1225/1226-NQG - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado