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

Transmission Case and Related Components


Object Number: 1968073  Size: LF
(1)Shift Housing Vent Breather
(2)Modulator Cable Anchor Bracket
(3)Transmission Brace Bracket Bolt
(4)Transmission Lubricant Fill Plug Cap
(4)Transmission Lubricant Fill Plug Cap
(5)Deflector
(6)Deflector Bolt
(7)Transmission Case Locating Pin
(7)Transmission Case Locating Pin
(7)Transmission Case Locating Pin
(8)Shift Bar Support Retainer Bolt
(9)Shift Control Cover
(10)Shift Control Housing Bolt
(11)Shift Bar Support Retainer Bolt
(12)Transmission Rear Case
(13)Transmission Cover Seal
(14)Transmission Extension Bushing
(15)Vehicle Speed Sensor Housing Bolt
(16)Vehicle Speed Sensor
(17)Transmission Front Case
(18)Clutch Housing Cover Seal
(19)Transmission Main Drive Gear Bearing Retainer
(20)Transmission Bearing Retainer Bolt
(21)Transmission Case
(22)Park/Neutral Position and Backup Lamp Switch
Figure 2:

Main Shaft, Input Shaft, and Components


Object Number: 1968077  Size: LF
(1)Counter Gear Bearing Shim
(2)Input Shaft Bearing Assembly
(3)Input Shaft Bearing
(4)Input Shaft Bearing
(5)Input Shaft
(6)Main Shaft Bearing Roller
(7)Input Shaft Thrust Bearing
(8)3rd and 4th Gear Synchronizer Hub Thrust Washer
(9)Main Shaft Bearing Shim
(9)Main Shaft Bearing Shim
(10)4th and 5th Gear Synchronizer Gear
(11)Gear Synchronizer Insert Spring
(12)3rd and 4th Gear Synchronizer Insert
(13)3rd and 4th Gear Synchronizer
(14)3rd and 4th Gear Synchronizer Hub
(15)3rd and 4th Gear Synchronizer Sleeve
(16)3rd Gear Blocking Ring
(17)Transmission Drive Gear Clutch - 3rd and 4th Gear Synchronizer - Gear
(18)3rd Gear
(19)Main Shaft Bearing
(19)Main Shaft Bearing
(19)Main Shaft Bearing
(20)3rd Gear Bushing
(20)3rd Gear Bushing
(21)2nd Gear
(22)2nd Gear Assembly
(23)2nd Synchronizer Clutch Gear
(24)Transmission Main Shaft Synchronizer Inner Ring
(25)Transmission Main Shaft Synchronizer Outer Ring
(26)Transmission Main Shaft Synchronizer Center Ring
(27)Main Shaft
(28)Gear Synchronizer Insert Spring
(29)3rd and 4th Gear Synchronizer Insert
(30)1st and 2nd Gear Synchronizer Assembly
(31)1st and 2nd Gear Synchronizer Hub
(32)1st and 2nd Gear Synchronizer Sleeve
(33)Main Shaft Bearing Retainer Ring
(34)Transmission Main Shaft Synchronizer Center Ring
(35)Transmission Main Shaft Synchronizer Outer Ring
(36)Transmission Main Shaft Synchronizer Inner Ring
(37)2nd Synchronizer Clutch Gear
(38)1st Gear Assembly
(39)1st Gear
(40)Transmission Drive Gear Clutch - 5th Gear Synchronizer - Gear
(41)4th and 5th Gear Synchronizer Gear
(42)Gear Synchronizer Insert Spring
(43)3rd and 4th Gear Synchronizer Insert
(44)Reverse Gear Synchronizer Assembly
(45)5th and Reverse Gear Synchronizer Hub
(46)1st and Reverse Gear Synchronizer Sleeve
(47)Reverse Gear Retainer Ring
(48)Reverse Gear
(49)Main Shaft Bearing
(50)Main Shaft Bearing Assembly
(51)Main Shaft Bearing
(52)5th Input Gear
(53)Speedometer Gear Ball
(54)Speedometer Drive Gear
(55)Reverse Gear Blocking Ring
Figure 3:

Counter Gear Shaft, Reverse Idler, and Components


Object Number: 1968080  Size: LF
(1)Center Gear Front Bearing Spacer
(2)Center Gear Bearing Shim
(3)Center Gear Front Bearing
(4)Center Gear Front Bearing Assembly
(5)Center Gear Front Bearing
(6)Center Gear Shaft
(7)Center Gear Rear Bearing
(8)Center Gear Rear Bearing Assembly
(9)Center Gear Rear Bearing
(10)Center Gear Rear Bearing Retainer Ring
(11)2nd Gear Thrust Washer Location Ball
(12)5th Gear Thrust Washer
(13)5th Center Gear
(14)5th Gear Bearing
(15)Center Gear Front Bearing Spacer
(16)Reverse Gear Retainer Ring
(17)3rd and 4th Gear Synchronizer Insert
(18)Gear Synchronizer Insert Spring
(19)5th and Reverse Gear Synchronizer Hub
(20)5th Gear Synchronizer
(21)5th and Reverse Gear Synchronizer Sleeve
(22)4th and 5th Gear Synchronizer Gear
(23)Transmission Clutch Gear
(24)Main Shaft Bearing Shim
(25)Reverse Idler Gear Shaft
(26)Reverse Idler Gear Shaft O-Ring Seal
(27)Reverse Idler Shaft Lock Bolt
(28)Reverse Idler Gear
(29)Reverse Gear Bearing
(29)Reverse Gear Bearing
(30)Center Gear Front Bearing Spacer
Figure 4:

Shift Control and Components


Object Number: 1968082  Size: LF
(1)1st and 2nd Shift Shaft
(2)1st and 2nd Shift Block Assembly
(3)Transmission Shift Fork Pad Insert
(4)1st and 2nd Shift Block
(5)1st and 2nd Shift Fork Assembly
(6)Transmission Shift Fork Pad Insert
(6)Transmission Shift Fork Pad Insert
(6)Transmission Shift Fork Pad Insert
(6)Transmission Shift Fork Pad Insert
(7)1st and 2nd Shift Fork
(8)3rd and 4th Shift Shaft
(9)Shift Fork Lock Pin
(9)Shift Fork Lock Pin
(9)Shift Fork Lock Pin
(9)Shift Fork Lock Pin
(9)Shift Fork Lock Pin
(9)Shift Fork Lock Pin
(9)Shift Fork Lock Pin
(10)3rd and 4th Shift Block
(11)3rd and 4th Shift Fork Assembly
(12)3rd and 4th Shift Fork
(13)Shift Control Shaft Block
(14)Shift Shaft Bearing
(15)Shift Control Shaft
(16)5th Shift Fork
(17)5th Shift Fork Assembly
(18)Reverse Shift Fork
(19)Reverse Shift Fork Assembly
(20)5th and Reverse Shift Shaft
(21)Shift Bar Support Retainer Bolt
(22)Shift Shaft Interlock Pin
(23)Transmission Shift Interlock Plunger
(24)Shift Bar Support
(25)Shift Bar Support Assembly
(26)Shift Shaft Lever Spring
(27)Shift Interlock Detent