Chevrolet Silverado / GMC Sierra. Manual — part 2943

or sub-component as indicated.

Clean all components in cleaning solvent and air dry, except the clutch plates.

1

Transfer Case Control Actuator Thrust Bearing
Tip: Replace the bearing if roughness, brinelling,
or pitting is detected.

2

Transfer Case Control Actuator Lever Thrust
Bearing Surface
Tip: Inspect for pitting, excessive wear, or
damage.

3

Transfer Case Control Actuator Lever Bearing
Surface
Tip: Inspect for pitting, excessive wear, or
damage.

4

Transfer Case Control Lever Arm
Tip: Inspect for excessive wear or damage.

5

Transfer Case Control Actuator Lever Ball
Ramps
Tip: Inspect for pitting, excessive wear, or
damage.

6

Transfer Case Control Actuator Lever Bearing
Tip: Replace the bearing if roughness, brinelling,
or pitting is detected.

7

Transfer Case Control Actuator Lever Balls
Tip: Replace the bearings if roughness or pitting
is detected.

8

Transfer Case Control Actuator Lever Ball
Ramps
Tip: Inspect for pitting, excessive wear, or
damage.

9

Transfer Case Control Actuator Lever Bearing
Tip: Replace the control actuator lever assembly
if roughness, brinelling, or pitting is detected.

10

Transfer Case Control Actuator Lever Bearing
Surface
Tip: Inspect for pitting, excessive wear, or
damage.

11

Transfer Case Control Actuator Thrust Bearing
Tip: Replace the bearing if roughness, brinelling,

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

or pitting is detected.

12

Transfer Case Control Actuator Lever Washer
Tip: Inspect for pitting, excessive wear, or
damage.

13

Transfer Case Four Wheel Drive Clutch Pressure
(Apply) Plate Washer Surface
Tip: Inspect for pitting, excessive wear, or
damage.

14

Transfer Case Four Wheel Drive Clutch Pressure
(Apply) Plate Surface
Tip: Inspect for excessive wear, cracks, or
damage.

15

Transfer Case Four Wheel Drive Clutch Pressure
Plate Springs
Tip: Inspect the springs for cracks.

16

Transfer Case Four Wheel Drive Clutch Pressure
(Friction) Plates
Tip: Inspect for worn, grooved, burnt, or flaking
friction material, or warped friction plates.

17

Transfer Case Four Wheel Drive Clutch Pressure
(Steel) Plates
Tip: Inspect for worn or warped steel plates.

18

Transfer Case Four Wheel Drive Clutch Hub
Bearing Surface
Tip: Inspect for pitting, excessive wear, or
damage.

19

Transfer Case Four Wheel Drive Clutch Hub
Teeth
Tip: Inspect for excessive wear or damage.
Excessive wear can be identified by steps in the
teeth.

20

Transfer Case Four Wheel Drive Clutch Hub
Friction Plate Surface
Tip: Inspect for excessive wear, cracks, or
damage.

21

Transfer Case Front Output Shaft Drive Sprocket
Engagement Teeth
Tip: Inspect the engagement teeth for excessive

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

TRANSFER CASE FOUR WHEEL DRIVE ACTUATOR LEVER SHAFT BEARING REPLA
REPLACEMENT - FRONT

looseness on the front output shaft drive sprocket.

22

Transfer Case Four Wheel Drive Clutch Housing
Teeth
Tip: Inspect for excessive wear or damage.
Excessive wear can be identified by steps in the
teeth.

23

Transfer Case Four Wheel Drive Clutch Hub
Splines
Tip: Inspect the splines for excessive looseness
on the rear output shaft.

24

Transfer Case Two/Four Wheel Drive Actuator
Cam
Tip: Inspect the cam lobes for wear or roughness.
Refer to High/Low Shift Fork Replacement if
damage is found.

25

Transfer Case Two/Four Wheel Drive Actuator
Cam Spacer
Tip: Inspect the spacer for wear or roughness.
Refer to High/Low Shift Fork Replacement if
damage is found.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 39: Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Replacement -
Front
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedure:
Ensure the bearing is installed squarely into the bearing bore.

Transfer Case Four Wheel Drive Actuator Lever
Shaft Bearing Assembly
Tip:

Ensure the printing on the bearing is facing

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado