GM Service Manual Online
For 1990-2009 cars only

Transfer Case Disassembled View NVG 236

Figure 1:

Front Case Half Components


Object Number: 804185  Size: LF
(1)Control Actuator Lever
(2)Shift Fork Bushing
(3)Shift Fork Shim
(4)Range Fork
(5)Shift Fork Center Pad
(6)Shift Fork End Pad
(7)Range Sleeve
(8)Shift Fork Inner Bracket
(9)Front Output Shaft Front Bearing
(10)Front Output Bearing Retaining Ring
(11)Shift Fork Spring
(12)Shift Fork Outer Bracket
(13)Shift Fork Spring
(14)Shift Fork Shaft
(15)Connector
(16)Oil Pump Suction Pipe
(17)Oil Pump Suction Pipe Seal
(18)Oil Pump Screen
(19)Magnet
(20)Location Pin
(20)Location Pin
(21)Shift Detent Plunger
(22)Shift Detent Spring
(23)Shift Detent Plunger Plug O-Ring
(24)Shift Detent Spring Bolt
(25)Control Actuator Lever Bearing
(26)Control Actuator Lever Retaining Ring
(27)Actuator Insulator
(28)Encoder Motor
(29)Encoder Motor Bolt
(30)Front Output Shaft Bearing Retaining Ring
(31)Front Output Shaft Seal
(32)Front Output Shaft Dust Seal
(33)Adapter Stud
(34)Input Shaft Seal
(35)Input Gear Bearing Outer Retaining Ring
(36)Front Case Half
(37)Vent
(38)Clutch Lever Pivot Pin
(38)Clutch Lever Pivot Pin
(39)Clutch Lever Pivot Pin Washer
(39)Clutch Lever Pivot Pin Washer
(40)Clutch Lever Pivot Pin O-Ring Seal
(40)Clutch Lever Pivot Pin O-Ring Seal
(41)Input Gear Bearing
(42)Input Gear Bearing Retaining Ring
(43)Clutch Lever
Figure 2:

Internal Transfer Case Components


Object Number: 804187  Size: LF
(1)Rear Output Shaft Rear Bearing Retaining Ring
(2)Rear Output Shaft Rear Bearing
(3)Rear Output Shaft Speed Reluctor Wheel
(4)Oil Pump Wave Washer
(5)Oil Pump
(6)Oil Pump Retaining Ring
(7)Drive Sprocket Retaining Ring
(8)Drive Sprocket
(9)Rear Output Shaft
(10)Oil Restrictor
(11)Chain
(12)Driven Sprocket Retaining Ring
(13)Driven Sprocket
(14)Front Output Shaft
(15)Front Output Shaft Speed Reluctor Wheel
(16)Clutch Housing
(17)Clutch Housing Bearing
(18)Clutch Hub
(19)Clutch Oil Restrictor Plate
(20)Clutch Hub Retaining Ring
(21)Clutch Backing Plate
(22)Clutch Press Plate - Friction
(23)Clutch Press Plate - Steel
(24)Clutch Shim
(25)Clutch Spring
(26)Clutch Pressure Plate Retaining Ring
(27)Clutch Pressure Plate
(28)Clutch Pressure Plate Bearing
(29)Clutch Outer Support
(30)Clutch Assembly Retaining Ring
(31)Planetary Gearshaft Retaining Ring
(32)Thrust Washer
(33)Input Shaft Pilot Bearing
(34)Input Gear
(35)Input Shaft Thrust Washer
(36)Carrier Lock Plate
(37)High/Low Planetary Carrier
Figure 3:

Rear Case Half Components


Object Number: 801277  Size: LF
(1)Rear Output Shaft Seal
(2)Rear Bushing
(3)Rear Case Half
(4)Screw
(5)Identification Tag
(6)Vehicle Speed Sensor
(7)Fill Plug
(8)Drain Plug
(9)Case Half Stud
(10)Case Half Bolt
(11)Front Output Shaft Rear Bearing
(12)Oil Pump Wear Sleeve
(13)Wire Harness Bracket
(14)Rear Output Shaft Rear Bearing Outer Retaining Ring
(15)Vehicle Speed Sensor
(16)Vehicle Speed Sensor O-Ring
(17)Access Hole Plug

Transfer Case Disassembled View NVG 246

Figure 1:

Front Case Half Components


Object Number: 801279  Size: LF
(1)Control Actuator Lever
(2)Shift Fork Bushing
(3)Shift Fork Shim
(4)Range Fork
(5)Shift Fork Center Pad
(6)Shift Fork End Pad
(7)Range Sleeve
(8)Shift Fork Inner Bracket
(9)Front Output Shaft Front Bearing
(10)Front Output Bearing Retaining Ring
(11)Shift Fork Spring
(12)Shift Fork Outer Bracket
(13)Shift Fork Spring
(14)Shift Fork Shaft
(15)Connector
(16)Oil Pump Suction Pipe
(17)Oil Pump Suction Pipe Seal
(18)Oil Pump Screen
(19)Magnet
(20)Location Pin
(20)Location Pin
(21)Shift Detent Plunger
(22)Shift Detent Spring
(23)Shift Detent Plunger Plug O-Ring
(24)Shift Detent Spring Bolt
(25)Control Actuator Lever Bearing
(26)Control Actuator Lever Retaining Ring
(27)Actuator Insulator
(28)Encoder Motor
(29)Encoder Motor Bolt
(30)Front Output Shaft Bearing Retaining Ring
(31)Front Output Shaft Seal
(32)Adapter Stud
(33)Input Shaft Seal
(34)Input Gear Bearing Outer Retaining Ring
(35)Front Case Half
(36)Vent
(37)Clutch Lever Pivot Pin
(37)Clutch Lever Pivot Pin
(38)Clutch Lever Pivot Pin Washer
(38)Clutch Lever Pivot Pin Washer
(39)Clutch Lever Pivot Pin O-Ring Seal
(39)Clutch Lever Pivot Pin O-Ring Seal
(40)Input Gear Bearing
(41)Input Gear Bearing Retaining Ring
(42)Clutch Lever
Figure 2:

Internal Transfer Case Components


Object Number: 1273610  Size: LF
(1)Rear Output Shaft Rear Bearing Retaining Ring
(2)Rear Output Shaft Rear Bearing
(3)Rear Output Shaft Speed Reluctor Wheel
(4)Oil Pump Wave Washer
(5)Oil Pump
(6)Oil Pump Retaining Ring
(7)Drive Sprocket Retaining Ring
(8)Drive Sprocket
(9)Rear Output Shaft
(10)Oil Restrictor
(11)Chain
(12)Driven Sprocket Retaining Ring
(13)Driven Sprocket
(14)Front Output Shaft Bore Seal
(15)Front Output Shaft
(16)Front Output Shaft Speed Reluctor Wheel
(17)Clutch Housing
(18)Clutch Housing Bearing
(19)Clutch Hub
(20)Clutch Oil Restrictor Plate, preload clutch only
(21)Clutch Spring, non-preload clutch only
(22)Clutch Hub Retaining Ring
(23)Clutch Backing Plate
(24)Clutch Press Plate - Friction
(25)Clutch Press Plate - Steel
(26)Clutch Shim
(27)Clutch Spring, preload clutch only
(28)Clutch Pressure Plate Retaining Ring
(29)Clutch Pressure Plate
(30)Clutch Pressure Plate Bearing
(31)Clutch Outer Support
(32)Clutch Assembly Retaining Ring
(33)Planetary Gearshaft Retaining Ring
(34)Thrust Washer
(35)Input Shaft Pilot Bearing
(36)Input Gear
(37)Input Shaft Thrust Washer
(38)Carrier Lock Plate
(39)High/Low Planetary Carrier
Figure 3:

Rear Case Half Components


Object Number: 903872  Size: LF
(1)Rear Output Shaft Seal
(2)Rear Bushing
(3)Rear Case Half
(4)Screw
(5)Identification Tag
(6)Vehicle Speed Sensor O-Ring Seal
(6)Vehicle Speed Sensor O-Ring Seal
(7)Vehicle Speed Sensor
(7)Vehicle Speed Sensor
(8)Fill Plug
(9)Drain Plug
(10)Case Half Bolt
(11)Front Output Shaft Rear Bearing
(12)Bracket
(13)Oil Pump Wear Sleeve
(14)Wiring Harness Bracket
(15)Rear Output Shaft Rear Bearing Outer Retaining Ring
(16)Access Hole Plug