Chevrolet Silverado / GMC Sierra. Service manual — part 2895
Fig. 36: Two/Four Wheel Drive Shift Components Cleaning and Inspection
Courtesy of GENERAL MOTORS CORP.
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.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
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
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
REAR OUTPUT SHAFT BUSHING REPLACEMENT
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.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 37: Rear Output Shaft Bushing Replacement
Courtesy of GENERAL MOTORS CORP.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
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