Chevrolet Silverado / GMC Sierra. Service manual — part 2901

Rear Output Shaft Seal and Shift Detent Plunger Assembly Installation

Tip:

Ensure both sealing surfaces of the front and rear
case halves are free of dirt, oil, and cleaning
solvent.

Apply a 2 mm (0.078 in) bead of sealant to the
front case half.

3

Transfer Case Rear Case Half
Tip:

Ensure the transfer case rear output shaft outer
retaining ring is in place and aligned prior to
mating case halves.

Use snap ring pliers to open the transfer case
rear output shaft outer retaining ring for the
transfer case rear output shaft rear bearing
assembly.

Insert a rubber coated screwdriver into the speed
sensor hole and lift up on the reluctor wheel to
engage the retaining ring with the rear bearing
assembly.

4

Transfer Case Bracket

5

Transfer Case Bolts (Qty: 17)

Tip: Tighten the bolts by hand. Do not use an air gun.

Tighten: 25 N.m (18 lb ft)

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 49: View Of Rear Output Shaft Seal & Shift Detent Plunger Assembly
Courtesy of GENERAL MOTORS CORP.

Rear Output Shaft Seal and Shift Detent Plunger Assembly Installation

2008 Chevrolet Silverado 1500

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

Silverado

Access Hole Plugs, Fill and Drain Plug, Vent, 2/4 Wheel Drive Actuator, and Vehicle Speed Sensor Installation

Callout

Component Name

1

Transfer Case Rear Output Shaft Seal (Heavy Duty
and Super Heavy Duty)
Tip: Align the notch on the seal between the rear
output bearing retaining ring access holes. This will
position the weep hole down.

Special Tools

DT-48021 Seal Installer

J 8092 Driver Handle

2

Transfer Case Shift Detent Plunger

3

Transfer Case Shift Detent Spring

4

Transfer Case Shift Detent Plunger Plug Seal
Tip: Lightly lubricate the O-ring with clean
DEXRON®VI.

5

Transfer Case Shift Detent Plunger Plug

Tighten: 20 N.m (15 lb ft)

NOTE:

Refer to Component Fastener Tightening Notice .

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 50: View Of Access Hole Plugs, Fill & Drain Plug, Vent, 2/4 Wheel Drive Actuator, &
Vehicle Speed Sensor
Courtesy of GENERAL MOTORS CORP.

Access Hole Plugs, Fill and Drain Plug, Vent, 2/4 Wheel Drive Actuator, and Vehicle
Speed Sensor Installation

Callout

Component Name

1

Transfer Case Two/Four Wheel Drive Actuator
Assembly
Transfer Case Two/Four Wheel Drive Actuator

2008 Chevrolet Silverado 1500

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

Silverado