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

Transmission Cases and Shift Controls


Object Number: 738328  Size: LF
(1)3rd/4th Shift Fork
(2)Shift Shaft Block Bushing
(3)Shift Shaft Lever
(4)Shift Shaft Plunger
(5)Shift Shaft Spring
(6)1st/2nd Shift Fork
(7)Shift Shaft Socket
(8)Shift Shaft Pin
(9)Shift Shaft Pin
(10)5th/Reverse Shift Fork
(11)Shift Shaft
(12)Shift Rail Bushing
(13)Rear Case RWD
(14)Control Lever Insulator - RWD Only
(15)Shift Control Housing Bolt
(16)Shift Lever Nut
(17)Boot
(18)Shift Lever
(19)Transmission Shift Lever Seal
(20)Transmission Rear Case Location Pin
(20)Transmission Rear Case Location Pin
(21)Transmission Case Rear Housing Bushing - RWD Only
(22)Main Shaft Seal RWD
(23)Vehicle Speed Sensor O-ring Seal
(24)Vehicle Speed Sensor
(25)Back Up Lamp Switch
(25)Back Up Lamp Switch
(26)Rear Case 4WD
(27)Mainshaft Oil Seal - 4WD
(28)Vent
(29)Shift Shaft Detent Pin
(30)Shift Rail Bushing
(31)Shift Shaft Detent Bushing
(32)Shift Shaft Detent Plunger
(33)Shift Shaft Detent Spring
(34)Shift Shaft Detent Plug
(35)Transmission Oil Drain Plug
(36)Clutch Housing
(37)Input Shaft Seal
(38)Input Shaft Bearing Retainer Bolt
(39)Input Shaft Bearing Retainer
(40)Input Shaft Retaining Ring
(41)Input Shaft Bearing Retaining Ring
(42)Input Shaft Bearing
(43)Transmission Oil Fill Plug
Figure 2:

Transmission Gears


Object Number: 738330  Size: LF
(1)Input Shaft
(2)4th Speed Gear Synchronizer Blocking Ring
(3)Main Shaft Front Bearing
(4)3rd/4th Speed Gear Synchronizer Retaining Ring
(5)3rd/4th Speed Synchronizer Sleeve
(6)Synchronizer Ball
(7)Synchronizer Spring
(8)Synchronizer Insert
(9)3rd/4th Synchronizer Hub
(10)3rd Speed Gear Synchronizer Blocking Ring
(11)3rd Speed Gear
(12)3rd Speed Gear Bearing
(13)2nd Speed Gear Thrust Washer Retaining Ring
(14)2nd Speed Gear Thrust Washer
(15)2nd Speed Gear Bearing
(16)2nd Speed Gear
(17)2nd Speed Gear Synchronizer Blocking Ring
(18)2nd Speed Gear Synchronizer Inner Blocking Ring
(19)2nd Speed Gear Synchronizer Middle Blocking Ring
(20)1st/2nd Hub Retaining Ring
(21)1st/2nd Speed Gear Synchronizer Interim Ring
(22)1st/2nd Speed Gear Synchronizer Sleeve
(23)1st/2nd Speed Gear Synchronizer Hub
(24)1st Speed Gear Synchronizer Blocking Ring
(25)1st Speed Gear Synchronizer Middle Blocking Ring
(26)1st Speed Gear Synchronizer Inner Blocking Ring
(27)1st Speed Gear Interim Blocking Ring Retainer
(28)1st Speed Gear
(29)1st Speed Gear Bearing
(30)Main Shaft
(31)Reverse Speed Gear Bearing
(32)Reverse Speed Gear Seal
(33)Reverse Speed Gear
(34)5th Speed Gear Synchronizer Hub Retaining Ring
(35)5th Speed Gear Synchronizer Hub
(36)5th Speed Gear Synchronizer Sleeve
(37)5th Speed Gear Synchronizer Retaining Ring
(38)5th Speed Gear Synchronizer Blocking Ring
(39)5th Speed Gear Bearing
(40)5th Speed Gear
(41)Main Shaft Bearing Retainer
(42)Main Shaft Rear Bearing
(43)Main Shaft Rear Bearing Retaining Ring
(44)Vehicle Speed Sensor Reluctor Wheel - 2WD Only
(45)Main Shaft Bearing Retainer Bolt - 2WD Only
(46)Clutch Housing
(47)Countershaft Front Bearing Race
(48)Countershaft Front Bearing
(49)Countershaft
(50)Reverse Idler Gear Retaining Ring
(51)Reverse Idler Gear Shaft
(52)Reverse Idler Gear Shaft Ball
(53)Reverse Idler Gear Thrust Washer
(54)Reverse Idler Gear
(55)Reverse Idler Gear Bearing
(56)Reverse Idler Gear Thrust Washer
(57)Reverse Idler Gear Wave Washer
(58)Reverse Idler Gear Washer
(59)Reverse Idler Gear Retaining Ring
(60)Countershaft Rear Bearing
(61)Countershaft Rear Bearing Race
(62)Transmission Rear Case - 2WD Shown
(63)Main Shaft Bearing Retainer Bolt - 2WD Only
(64)Reverse Idler Gear Shaft Short Bolt
(65)Reverse Idler Gear Shaft Long Bolt
(66)Transmission Case Bolt
(67)Reverse Idler Gear Shaft Retainer