Chevrolet Silverado / GMC Sierra. Manual — part 2887

INPUT SHAFT SEAL REPLACEMENT

Fig. 18: Input Shaft Seal Replacement
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedures:
Remove the transfer case. Refer to Transfer Case Assembly Replacement.

1

Transfer Case Nuts
Tip: Use transfer case nuts to secure transfer case to assembly fixture J 45759 .
Special Tools:
J 45759 Assembly Fixture

2

Transfer Case
Tip: Insert the transfer case and assembly fixture into the bench holding fixture
J 3289-20 and secure with pivot pin.
Special Tools:
J 3289-20 Holding Fixture

Transfer Case Input Shaft Seal

Procedure

2008 Chevrolet Silverado 1500

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

Silverado

REPAIR INSTRUCTIONS - OFF VEHICLE

TRANSFER CASE DISASSEMBLE

Transfer Case Holding Fixture Installation

3

1. Remove the seal using a flat-bladed tool.

2. Install the seal using J 42738 .

Special Tools:
J 42738 Seal Installer

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 19: View Of Transfer Case, Nuts & Pivot Pin
Courtesy of GENERAL MOTORS CORP.

Transfer Case Holding Fixture Installation

Callout

Component Name

1

Transfer Case Nuts
Special Tools:

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 Removal

J 45759 Assembly Fixture

2

Transfer Case
Special Tools:
J 3289-20 Holding Fixture

3

Pivot Pin
Tip:

Always secure with the pivot pin after
rotating.

The transfer case can be rotated 360 degrees
to facilitate repair.

2008 Chevrolet Silverado 1500

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

Silverado