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

Case Half Components


Object Number: 1250935  Size: LF
(1)Input Shaft Seal
(2)Input Gear Bearing Outer Retaining Ring
(3)Adapter Stud
(4)Front Vehicle Speed Sensor
(5)Vent
(6)Clutch Lever Pivot Pin
(7)Front Case Half
(8)Location Pin
(8)Location Pin
(9)Input Gear Bearing
(10)Input Gear Bearing Retaining Ring
(11)Annulus Gear
(12)Annulus Gear Retaining Ring
(13)Clutch Lever Pivot Pin
(14)Front Output Shaft Bearing Retaining Ring
(15)Front Output Shaft Front Bearing
(16)Bracket
(17)Access Hole Plug
(18)Right Vehicle Speed Sensor
(19)Case Half Bolt
(20)Rear Bushing
(21)Rear Output Shaft Seal
(22)Fill Plug
(23)ID Tag
(24)ID Tag Screw
(25)Drain Plug
(26)Rear Case Half
(27)Front Output Shaft Rear Bearing
(28)Wear Clip
(29)Left Vehicle Speed Sensor
(30)Control Actuator Lever Bearing
(31)Control Actuator Lever Retaining Ring
(32)Actuator Encoder Motor Insulating Spacer
(33)Actuator Encoder Motor
(34)Housing Screw
(35)Motor Cover Screw
(36)Actuator Cover Plate
(37)Actuator Seal
(38)Range Select Position Sensor
(39)Actuator Housing
(40)Actuator Encoder Motor Bolt
(41)Actuator Encoder Motor Location Pin
(42)Front Output Shaft Seal
(43)Front Output Shaft Bearing Retaining Ring
Figure 2:

Internal Transfer Case Components


Object Number: 1349225  Size: LF
(1)Input Gear 32 Teeth
(2)High/Low Planetary Carrier 6 Pinion Gears
(3)Planetary Gear Shaft Retaining Ring
(4)Planetary Carrier Lock Ring
(5)Input Gear Front Thrust Washer
(6)Input Gear 27 Teeth
(7)Input Gear Pilot Bearing
(8)Input Gear Rear Thrust Washer
(9)High/Low Planetary Carrier 3 Pinion Gears
(10)High/Low Range Sleeve
(11)Rear Output Shaft Assembly
(12)Drive Sprocket
(13)Drive Sprocket Retaining Ring
(14)Drive Chain
(15)Oil Pump
(16)Oil Pump Wave Spring
(17)Rear Output Shaft Speed Reluctor Wheel
(18)Rear Output Shaft Rear Bearing Retaining Ring
(19)Rear Output Shaft Rear Bearing Outer Retaining Ring
(20)Rear Output Shaft Rear Bearing
(21)Oil Pump Suction Pipe O-Ring Seal
(22)Oil Pump Suction Pipe, 1st Design
(23)Connector, 1st Design
(24)Oil Pump Screen, 1st Design
(25)Oil Pump Screen and Suction Pipe, 2nd Design
(26)Magnet
(27)Driven Sprocket Retaining Ring
(28)Driven Sprocket
(29)Front Output Shaft Cup Plug
(30)Front Output Shaft
(31)Front Output Shaft Speed Reluctor Wheel
(32)Clutch Lever
(33)Control Actuator Lever
(34)Range Fork
(35)Shift Fork Pad
(36)Center Shift Fork Pad
(37)Shift Fork Shaft
Figure 3:

Clutch Components


Object Number: 1349229  Size: SF
(1)Clutch Retaining Ring
(2)Clutch Bearing Inner Support
(3)Clutch Apply Plate Bearing
(4)Clutch Apply Plate
(5)Shims
(6)Clutch Inner Plate Friction
(7)Clutch Outer Plate Steel
(8)Clutch Hub Retaining Ring
(9)Clutch Hub Oil Restrictor Plate, 1st Design Only
(10)Clutch Return Spring
(11)Clutch Pressure Plate Inner, 1st Design Only
(12)Clutch Hub, 1st Design
(13)Clutch Housing
(14)Clutch Housing Bearing
(15)Oil Restrictor
(16)Rear Output Shaft
(17)Clutch Hub, 2nd Design
(18)Clutch Apply Plate, 2nd Design