Chevrolet Silverado / GMC Sierra. Manual — part 2898

HIGH/LOW SHIFT FORK REPLACEMENT

1

Ensure the flat edge of the bearing is facing
upward.

Using an arbor press or hammer, install the
bearing until the tool bottoms on the drive
sprocket.

Special Tools

DT-48211 Drive Sprocket Bearing Installer

J 8092 Driver Handle

J 35512 Inner Pinion Bearing Installer

2

Transfer Case Front Output Shaft Drive Sprocket
Bearing Assembly - Rear
Tip:

Install the bearing using the short side of the
DT-48211 .

Ensure the flat edge of the bearing is facing
upward.

Using an arbor press or hammer, install the
bearing until the tool bottoms on the drive
sprocket.

Special Tools

DT-48211 Drive Sprocket Bearing Installer

J 8092 Driver Handle

J 35512 Inner Pinion Bearing Installer

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 43: High/Low Shift Fork Replacement
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

1

Transfer Case High/Low Shift Fork Pin
Tip: Drive the pin out using a drift punch and a
hammer.

2

Transfer Case High/Low Shift Fork
Tip: Inspect for wear or damage in the spring seat
locations. The component must be replaced if damage
is found.

3

Transfer Case High/Low Shift Fork Spring Assembly
Tip: The component must be replaced if the
following conditions exist:

The cam lobes are worn or rough.

The spring is broken.

4

Transfer Case Two/Four Wheel Drive Actuator Cam
Retaining Ring

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

TRANSFER CASE ASSEMBLE

Input Shaft and Planetary Assembly Installation

Fig. 44: View Of Input Shaft & Planetary Assembly Components

5

Transfer Case Two/Four Wheel Drive Actuator Cam

6

Transfer Case High/Low Shift Fork - Service - Pin
Tip:

Apply a small amount of threadlock GM P/N
12345493 (Canadian P/N 10953488) or
equivalent to the shaft of the pin before
installation.

Press the pin into the control actuator shaft using
a brass drift until it bottoms.

7

Transfer Case Shift Fork Shaft Guide Screw
Tip: Apply threadlock GM P/N 12345493 (Canadian
P/N 10953488) or equivalent to the screw threads.

Tighten: 5 N.m (44 lb in)

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado