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

Transmission Case


Object Number: 641205  Size: LF
(1)Clutch Housing Inspection Cover
(2)Clutch Housing Inspection Cover Bolt
(3)Clutch Housing Cover Seal
(4)Shift Shaft Front Housing Bearing
(5)Front Cover Bolt
(6)Clutch Housing Cover Seal
(7)Front Cover
(8)Cover Seal
(9)Case Pin
(10)Oil Fill Plug Gasket
(11)Oil Fill Plug
(12)Oil Drain Plug
(13)Oil Drain Plug Gasket
(14)Extension Gasket
(15)Extension
(17)Speedometer Driven Gear
(18)Speedometer Drive Bushing Seal, O-Ring
(19)Speedometer Drive Bushing
(20)Speedometer Drive Bushing Seal
(21)Speedometer Drive Bushing Set Screw
(22)Rear Case Stud
(23)Main Shaft Rear Bearing Oil Seal
(24)Extension Bolt Long
(25)Extension Bolt Short
(26)Transmission Case
(27)PTO Cover Gasket
(28)PTO Cover
(29)PTO Cover Bolt
(30)Clutch Housing Cover
(31)Clutch Housing Inspection Cover
(32)Clutch Housing Bolt Washer
(33)Clutch Housing Bolt
(34)Clutch Housing Stud Nut
(35)Clutch Housing Stud Washer
(36)Clutch Housing Stud
Figure 2:

Shift Control


Object Number: 641208  Size: LF
(1)Shift Detent Link Rod
(2)Link Rod Nut
(3)Control Shift Equalizer Link
(4)Link Rod Nut
(5)Shift Detent Link Rod
(6)Internal Select Lever
(7)Shift Lever Bolt
(8)Shift Lever Nut
(9)Shift Lever Washer
(10)Shift Detent Link Rod Nut
(11)Internal Select Lever Washer
(12)Shift Lever Shaft
(13)Lateral Shift Shaft Boot
(14)Shift Shaft Seal
(15)Shift Shaft Bushing
(16)Shift Housing Breather
(17)Range Select Shift Seal
(18)Shift Bar Housing
(19)Shift Control Housing Bolt
(20)Shift Shaft Bushing
(21)Shift Shaft Cover
(22)Control Tube Retaining Ring
(23)Internal Shift Control Lever
(24)Select Internal Lever
(25)Control Lever Bolt
(26)Lever Shaft
(27)Lever Bushing
(28)Lever Washer
(29)Select Lever
(30)Lever Washer
(31)Control Lever Nut
(32)Control Lever Nut
(33)Control Lever Nut
(34)Select Lever Rod Bracket
(35)Lever Bushing
(36)Shift Detent Link Rod Nut
Figure 3:

Shift Cover


Object Number: 641207  Size: LF
(1)Shift Fork, 5th/6th, Shaft
(2)Harness Bracket Bolt
(3)Shift Control Housing Bolt
(4)Shift Lever Nut
(5)Wiring Harness Bolt
(6)Transmission Wiring Harness Bracket
(7)Back-up Switch
(8)Back-up Switch Detent Ball
(9)Shift Control Housing Bolt
(10)Transmission Neutral Position Switch
(11)Shift Shaft Interlock Ball
(12)Shift Shaft Interlock Pin
(13)Hex Nut
(14)Rev Lock Out Bolt
(15)Shift Control Housing Washer
(16)Shift Control Housing Washer
(17)Shift Control Housing
(18)Shift Shaft Detent Ball Spring
(18)Shift Shaft Detent Ball Spring
(18)Shift Shaft Detent Ball Spring
(18)Shift Shaft Detent Ball Spring
(19)Shift Shaft Detent Ball
(19)Shift Shaft Detent Ball
(19)Shift Shaft Detent Ball
(19)Shift Shaft Detent Ball
(20)Shift Shaft Block, Front, Pin
(20)Shift Shaft Block, Front, Pin
(20)Shift Shaft Block, Front, Pin
(20)Shift Shaft Block, Front, Pin
(21)Rev Shift Rod
(22)Transmission Control Housing Cap
(23)Rev Shift Fork Washer
(24)Rev Shift Fork, Straight, Arm
(25)Hex Nut
(26)1st and 2nd Select Lever Rod
(27)3rd/4th Select Lever Rod
(28)Rev Shift Rod
(29)Rev Shift Fork, Curved, Arm
(30)Shift Fork and Shift Block Lock Bolt
(31)5th/6th Shift Rear Block
(32)Rev Shift Shaft Detent Spring
(33)Rev Shift Shaft Detent Spring
(34)Shaft Shift Detent Sleeve
(35)Shift Select Lever Return Spring
(36)Shift Shaft Detent Spring Cover
(37)5th and 6th Shift, Center, Block
(38)5th/6th Shift, Left, Block
(39)Shift Fork and Shift Block Lock Bolt
(40)1st/2nd Shift Fork Arm
(41)Shift Fork and Shift Block Lock Bolt
(42)Rev Shift Shaft Detent Sleeve
(43)Rev Shift Shaft Detent Spring, Side
(44)Shift Shaft Detent Spring Cover
(45)Shift Fork and Shift Block Lock Bolt
(46)Rev Shift, Rear, Block
(47)Shift Fork and Shift Block Lock Bolt
(48)Rev Shift, Front, Block
(49)Shift Detent Ball Spring
(50)Rev Shift Shaft Detent Ball
(51)Shift Fork and Shift Block Lock Bolt
(52)3rd/4th Shift Fork Arm
(53)5th/6th Shift Fork
(54)Shift Fork and Shift Block Lock Bolt
(55)5th/6th Shift Shaft Pin
(56)5th/6th Shift Lever
(57)Shift Lever Washer
(58)Shift Fork, 5th/6th, Shaft
Figure 4:

Transmission Gears


Object Number: 641209  Size: LF
(1)Input Shaft Front Bearing Retaining Ring
(2)Input Shaft Bearing
(3)Input Shaft
(4)Mainshaft Thrust Washer
(5)Mainshaft Front Bearing
(6)Mainshaft Thrust Washer
(7)Cluster Gear Retaining Ring
(8)Synchronize Sliding Clutch
(9)Mainshaft Front Bearing Retaining Ring
(10)6th Gear Blocking Ring
(11)5th/6th Gear Synchronize Sleeve
(12)Shift Block
(13)Shift Block Plunger
(14)Shift Block Plunger Spring
(15)Lateral Plunger Spring
(16)Manifold Clutch Hub Retaining Ring
(17)5th/6th Gear Synchronizer Hub
(18)5th Gear Blocking Ring
(19)5th Gear Thrust Bearing
(20)5th Gear
(21)4th Gear Retaining Ring
(22)4th Gear Bearing Roller Spacer
(23)4th Gear Bearing
(24)4th Gear Bearing
(25)4th Gear
(26)4th Gear Synchronizer Ring
(27)3rd/4th Gear Synchronizer Sleeve
(28)Shift Blocker
(29)Shift Block Plunger
(30)Shift Block Plunger Spring
(31)3rd/4th Gear Synchronizer Hub
(32)3rd Gear Synchronizer Ring
(33)3rd Gear
(34)3rd Gear Bearing
(35)Mainshaft
(36)2nd Gear
(37)2nd Gear Bearing
(38)1st/2nd Gear Synchronizer Sleeve
(39)2nd Gear Retaining Ring
(40)1st/2nd Gear Synchronizer Hub
(41)2nd Gear Retaining Ring
(42)1st Gear
(43)1st Gear Bearing
(44)Reverse Gear Synchronizer Sleeve
(45)Reverse Gear Hub
(46)Reverse Gear
(47)Reverse Gear Bearing
(48)Reverse Gear Bearing Roller Spacer
(49)Reverse Gear Thrust Washer
(50)Mainshaft Rear Bearing
(51)Speedometer Drive Gear
(52)Propeller Shaft Flange
(53)Propeller Shaft Flange Bolt
(54)Mainshaft Rear Seal, O-ring
(55)Mainshaft Nut
(56)Output Shaft Nut
(57)Propeller Shaft Transmission Yoke
(58)Countershaft Front Gearing
(59)Countershaft Front Bearing Retaining Ring
(60)6th Speed Countershaft Gear
(61)5th Speed Countershaft Gear
(62)4th Speed Countershaft Gear
(63)3rd Speed Countershaft Gear
(64)Countershaft Key
(65)Countershaft Key
(66)Countershaft Key
(67)Countershaft
(68)Countershaft Rear Bearing
(69)Countershaft Rear Bearing Retainer
(70)Reverse Idler Gear Shaft Spacer
(71)Reverse Idler Gear Shaft Washer
(72)Reverse Idler Gear Bearing
(73)Reverse Idler Gear
(74)Reverse Idler Gear Spacer
(75)Reverse Idler Gear Bearing
(76)Reverse Idler Gear Shaft Seal, O-ring
(77)Reverse Idler Gear Shaft