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

Gears and Case


Object Number: 1257077  Size: LF
(1)Case
(2)Mainshaft Bearing Outer Race
(3)4th Gear
(4)Synchronizer Ring
(5)Synchronizer Sleeve
(6)Pin
(7)3rd-4th Gearshift Fork
(8)3rd-4th Gearshift Shaft
(9)Spring
(10)Key
(11)3rd-4th Synchronizer Gear
(12)Synchronizer Ring
(13)3rd Gear
(14)2nd Gear
(15)Synchronizer Ring
(16)1st-2nd Gearshift Fork
(17)1st-2nd Gearshift Rod
(18)Synchronizer Sleeve
(19)Synchronizer Spring
(20)Key
(21)Synchronizer Gear
(22)Snap Ring
(23)Synchronizer
(24)1st Gear
(25)Thrust Needle Bearing
(26)Mainshaft Disk
(27)Snap Ring
(28)Mainshaft Bearing
(29)Shift Rod Plug (21.5 mm)
(30)Spring
(31)Shift Rod Lock Pin
(32)Bearing Plate
(33)Shift Rod Plug (50.4 mm)
(34)Detent Rod Bolt
(35)Bolt
(36)Bolt
(37)Support
(38)5th Gearshift Fork
(39)Pin
(40)Bridge-Strain Bolt
(41)Shoe
(42)Key
(43)Snap Ring
(44)Gasket
(45)Cover
(46)Bolt
(47)Plug
(48)Bolt
(49)Screw
(50)Synchronizer Gear
(51)Spring
(52)Synchronizer Sleeve
(53)Synchronizer Blocking Ring
(54)Mainshaft Driven 5th Gear
(55)Retaining Ring
(56)Thrust Washer
(57)Circlip
(58)Input Drive 5th Gear
(59)Bolt
(60)Cluster Gear Snap Ring
(61)Screw
(62)Input Shaft Bearing
(63)Ring
(64)Input Shaft Cluster Gear
(65)Ball
(66)Reverse Idler Gear Shaft
(67)Reverse Idler Gear
(68)Washer
(69)Reverse Gear Rod
(70)Reverse Gearshift Fork
(71)Input Shaft
(72)Bolt
(73)5th Gear Pawl
(74)5th Gear Needle Bearing
(75)1st Gear Needle Bearing
(76)Main Shaft
(77)5th Gearshift Lever
(78)Hex Plug
(79)Bearing Plate Gasket
(80)Backup Lamp Switch
(81)Input Shaft Bearing
(82)2nd Gear Needle Bearing
(83)3rd Gear Needle Bearing
(84)4th Gear Needle Bearing
(85)Retaining Ring
Figure 2:

Differential and Case


Object Number: 1257079  Size: LF
(1)Speedometer-Driven Gear (Vehicle Speed Sensor (VSS))
(2)Seal
(3)Hex Bolt
(4)Plate-Lock
(5)Washer
(6)Bolt
(7)Seal
(8)O-Ring
(9)Bearing Adjusting Ring
(10)Side Bearing Race
(11)Differential Cover Gasket
(12)Differential Cover
(13)Bolt
(14)Differential Bearing
(15)Differential Gear Shaft
(16)Differential Housing
(17)Thrust Washer
(18)Side Bevel Gear
(19)Washer
(20)Pinion Bevel Gear
(21)Ring Gear
(22)Speedometer Drive Gear
(23)Bolt
(24)Differential Gear Shaft Lock Pin
(25)Flange Bearing
(26)O-Ring
(27)Retainer Bolt
Figure 3:

Shift Linkage


Object Number: 1257081  Size: LF
(1)Gearshift Control
(2)Bolt
(3)Bolt
(4)Gearshift Bellows Tube
(5)Clamp
(6)Bolt
(7)Front Gearshift Bracket
(8)Clip
(9)Gearshift Control Rod
(10)Bolt
(11)Rear Gearshift Bracket
(12)Clip
(13)Pin