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

Case Components


Object Number: 1956480  Size: LF
(1)Adapter Stud
(2)Front Case Half
(3)Location Pin
(3)Location Pin
(4)Fuel Line Bracket
(5)Vehicle Speed Sensor O-Ring Seal
(6)Vehicle Speed Sensor
(7)Heat Shield
(8)Output Shaft Bushing
(9)Rear Output Shaft Seal
(10)Fill Plug
(11)Shift Shaft Seal
(12)Encoder Motor
(13)Encoder Motor Bolt
(14)Encoder Motor Bracket Bolt
(15)Case Half Bolt
(16)Wiring Harness Bracket
(17)Drain Plug
(18)Rear Case Half
(19)Magnet
(20)Front Output Shaft Seal
(21)Front Output Shaft Flange
(22)Front Output Shaft Flange Seal
(23)Front Output Shaft Flange Washer
(24)Front Output Shaft Flange Nut
(25)Vent
(26)Input Shaft Seal
Figure 2:

Internal Components


Object Number: 1549461  Size: LF
(200)Input Gear Bearing
(201)Ring Gear
(202)Ring Gear Retaining Ring
(203)High/Low Planetary Carrier Assembly
(203)High/Low Planetary Carrier Assembly
(204)Mainshaft Front Support Bearing
(205)High/Low Range Sleeve
(205)High/Low Range Sleeve
(206)High/Low Range Shift Fork Assembly
(207)Shift Fork Shaft
(208)Input Gear Thrust Bearing
(209)Mainshaft
(210)Oil Pump
(211)Oil Pump Hose Clamp
(212)Oil Pump Hose
(213)Oil Pump Screen
(214)Upper Center Bearing Support Thrust Washer
(215)Bearing
(216)Snap Ring
(217)Center Bearing Support
(218)Lower Center Support Bearing Thrust Washer
(219)Shift Cam
(220)Shift Shaft Torsional Spring
(221)Shift Shaft Spacer
(222)Shift Shaft
(223)Inner Lockup Hub
(224)Lockup Mode Shift Collar Assembly
(225)Lockup Mode Shift Fork
(226)Shift Fork Shaft Spring
(227)Drive Sprocket Bushing
(228)Drive Sprocket
(229)Drive Chain
(230)Front Output Sun Gear
(231)Planetary Differential Assembly
(232)Rear Output Shaft Thrust Washer
(233)Rear Output Sun Gear
(234)Mainshaft Rear Support Bushing
(235)Rear Output Shaft
(236)Rear Output Shaft Bearing Outer Retaining Ring
(237)Rear Output Shaft Bearing
(238)Rear Output Shaft Bearing Retaining Ring
(239)Speed Sensor Tone Wheel
(240)Front Output Shaft Rear Bearing
(241)Driven Gear
(242)Front Output Shaft
(243)Front Output Shaft Front Bearing