GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Case Half Components


Object Number: 1817238  Size: MF
(1)Transfer Case Front Output Shaft Seal
(2)Transfer Case Vent
(3)Transfer Case Input Shaft Seal
(4)Transfer Case Input Shaft Bearing Outer Retaining Ring
(5)Transfer Case Stud
(6)Transfer Case Front Half
(7)Transfer Case Half Locating Pin
(7)Transfer Case Half Locating Pin
(8)Transfer Case Input Shaft Bearing Assembly
(9)Transfer Case Input Shaft Inner Retaining Ring
(10)Transfer Case High/Low Internal Gear
(11)Transfer Case High/Low Internal Gear Retaining Ring
(12)Transfer Case Rear Output Shaft Rear Bearing Outer Retaining Ring
(13)Vehicle Speed Sensor Assembly
(14)Vehicle Speed Sensor - O-Ring - Seal
(15)Transfer Case Rear Half
(16)Transfer Case Access Hole Plug
(17)Transfer Case - Harness - Bracket
(18)Transfer Case Half Bolt/Screw
(19)Transfer Case Rear Output Shaft Bushing
(20)Transfer Case Rear Output Shaft Seal
(21)Transfer Case Actuator Shaft Position Sensor Bolt/Screw
(22)Transfer Case Actuator Shaft Position Sensor Assembly
(23)Transfer Case Actuator Shaft Position Sensor - O-Ring - Seal
(24)Transfer Case Two/Four Wheel Drive Actuator Bolt/Screw
(25)Transfer Case Two/Four Wheel Drive Actuator Assembly
(26)Transfer Case Two/Four Wheel Drive Actuator Seal
(27)Transfer Case Oil Drain Plug
(28)Transfer Case Oil Fill Plug
(29)Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Assembly
(30)Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Assembly
Figure 2:

Internal Components


Object Number: 1817242  Size: LF
(1)Transfer Case High/Low Planetary Carrier Retaining Ring
(2)Transfer Case High/Low Locking Plate
(3)Transfer Case Planetary Carrier Sun Gear Thrust Washer
(4)Transfer Case Input Shaft
(5)Transfer Case Input Shaft Pilot Bearing Assembly
(6)Transfer Case Input Shaft Pilot Bearing Retaining Ring - HD Only
(7)Transfer Case Planetary Carrier Sun Gear Thrust Washer
(8)Transfer Case High/Low Planetary Carrier Assembly
(9)Transfer Case High/Low Clutch
(10)Transfer Case High/Low Shift Fork Pad
(11)Transfer Case High/Low Shift Fork
(12)Transfer Case High/Low Shift Fork Spring Assembly
(13)Transfer Case Two/Four Wheel Drive Actuator Cam Retaining Ring
(14)Transfer Case Two/Four Wheel Drive Actuator Cam Spacer
(15)Transfer Case Two/Four Wheel Drive Actuator Cam
(16)Transfer Case Control Actuator Shaft
(17)Transfer Case High/Low Shift Fork Pin
(18)Transfer Case Actuator Shaft Gear
(19)Transfer Case Rear Output Shaft Assembly
(20)Transfer Case Front Output Shaft Drive Chain Assembly
(21)Transfer Case Front Output Shaft Drive Sprocket
(22)Transfer Case Front Output Shaft Drive Sprocket Bearing Assembly
(23)Transfer Case Front Output Shaft Drive Sprocket Spacer - Rear
(24)Transfer Case Front Output Shaft Drive Sprocket Retaining Ring
(25)Transfer Case Oil Pump Assembly
(26)Transfer Case Rear Output Shaft Speed Reluctor Wheel
(27)Transfer Case Rear Output Shaft Rear Bearing Retaining Ring
(28)Transfer Case Rear Output Shaft Rear Bearing Assembly
(29)Transfer Case Rear Output Shaft Rear Bearing Retaining Ring
(30)Transfer Case Oil Pump Suction Pipe Seal
(31)Transfer Case Oil Pump Suction Pipe
(32)Transfer Case Front Output Shaft Rear Bearing Assembly
(33)Transfer Case Front Output Shaft Driven Sprocket Spacer
(34)Transfer Case Front Output Shaft Driven Sprocket
(35)Transfer Case Front Output Shaft Hole Plug
(36)Transfer Case Front Output Shaft
(37)Transfer Case Front Output Shaft Front Bearing Assembly
Figure 3:

Clutch Components


Object Number: 1817244  Size: SF
(1)Transfer Case Rear Output Shaft
(2)Transfer Case Control Actuator Lever Thrust Bearing Assembly
(3)Transfer Case Control Lever
(4)Transfer Case Control Actuator Lever Bearing Assembly
(5)Transfer Case Control Actuator Lever Ball (Qty: 3)
(6)Transfer Case Control Actuator Lever Assembly
(7)Transfer Case Control Actuator Lever Thrust Bearing Assembly
(8)Transfer Case Control Actuator Lever Washer
(9)Transfer Case Four Wheel Drive Clutch Pressure - Apply - Plate
(10)Transfer Case Four Wheel Drive Clutch Pressure Plate Spring (Qty: 4)
(11)Transfer Case Four Wheel Drive Clutch Pressure - Steel - Plate (Qty: 7)
(12)Transfer Case Four Wheel Drive Clutch Pressure - Friction - Plate (Qty: 8)
(13)Transfer Case Four Wheel Drive Clutch Hub
(14)Transfer Case Four Wheel Drive Clutch Shim
(15)Transfer Case Two/Four Wheel Drive Clutch Retaining Ring
(16)Transfer Case Front Output Shaft Drive Sprocket Spacer - Front
(17)Transfer Case Four Wheel Drive Clutch Housing Retaining Ring
(18)Transfer Case Four Wheel Drive Clutch Housing