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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
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