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

Transmission Cases


Object Number: 1644156  Size: LF
(1)Input Shaft Seal
(2)Transmission Front Case
(6)Transmission Extension Bushing
(7)Transmission Intermediate Case
(8)Output Shaft Seal
(9)O-ring Seal
(12)Transmission Extension
(20)Output Shaft Dirt Deflector
(23)Transmission Extension Bolt/Screw
(25)Transmission Oil Drain Plug
(26)Transmission Oil Drain Plug Gasket
(27)Transmission Oil Fill Plug
(28)Transmission Oil Fill Plug Gasket
(30)Input Shaft Bearing Retainer
(31)Input Shaft Bearing Retainer Bolt/Screw
(35)Main Shaft Rear Bearing Retainer
(36)Main Shaft Rear Bearing Retainer Bolt/Screw
(40)Manual Transmission Fluid Baffle Bolt/Screw
(41)Manual Transmission Fluid Baffle Bolt/Screw
(42)Manual Transmission Fluid Baffle
(43)Manual Transmission Oil Nozzle
(44)Manual Transmission Oil Trough Bolt/Screw
(45)Manual Transmission Oil Trough
(50)Clutch Housing
(51)Clutch Housing Bolt/Screw
(52)Clutch Housing Bolt/Screw
(55)Shift Control Shaft
(56)Shift Control Socket Bolt
(57)Shift Control Socket
(58)Bolt
(59)Shift Control Housing Gasket
(60)Shift Control Housing Assembly with Shift Control Shaft
(61)Shift Control Housing Bolt/Screw
(62)Manual Transmission Control Bracket
(63)Shift Shaft Hole Large Plug
(64)Shift Shaft Hole Small Plug
(66)Manual Transmission Control Bracket Upper Bolt/Screw
(67)Manual Transmission Control Lever Spring Retaining Bolt/Screw
(68)Manual Transmission Control Lever Retainer
(69)Manual Transmission Control Bolt/Screw - Adapter to Bracket
(70)Transmission Intermediate Case Location Pin - Front
(71)Transmission Intermediate Case Location Pin - Rear
(72)Transmission Case Location Pin
(73)Manual Transmission Control Bracket Lower Bolt/Screw
(74)Output Flange
(75)Output Shaft Nut
(77)Manual Transmission Output Sensor Assembly Bolt
(78)Oil Fill Plug
(80)Transmission Chip Collector Magnet
(91)Manual Transmission Control Lever Restrictor Assembly
(92)Manual Transmission Control Lever Restrictor Retainer Pin
(93)Manual Transmission Control Lever Restrictor Retainer Pin Hole Plug
(295)Front Case Shift Shaft Bushing
(296)Intermediate Case Shift Shaft Bushing
(297)Extension Housing Shift Shaft Bushing
(300)Manual Transmission Output Sensor Assembly
(301)Vehicle Speed Sensor Hole Plug O-ring Seal
(310)Park/Neutral Position and Backup Lamp Switch Assembly
(312)Transmission Wiring Harness Bracket Bolt/Screw
(313)Manual Transmission Wiring Harness Clamp
(315)Manual Transmission Control Shaft Lower Adapter Clamp
(316)Manual Transmission Control Shaft Upper Adapter Clamp
(509)Manual Transmission Control Lever Boot
Figure 2:

Input Shaft and Output Shaft Components


Object Number: 1644157  Size: LF
(100)Input Shaft
(101)Input Shaft Bearing Retaining Ring - Inner
(102)Input Shaft Bearing Retaining Ring - Outer
(103)Input Shaft Bearing Assembly
(110)1st Gear
(113)1st Gear Bearing Assembly
(114)1st Gear Bearing Spacer
(115)1st Gear Thrust Washer Lock Pin
(116)1st Gear Thrust Washer
(120)2nd Gear
(123)2nd Gear Bearing Assembly
(130)3rd Gear
(133)3rd Gear Bearing Assembly
(150)5th Gear
(170)Reverse Gear
(176)Speed Sensor Reluctor Wheel Spacer
(178)Speed Sensor Reluctor Wheel Spacer
(179)Rear Output Shaft Bearing
(182) Speed Sensor Driven Gear Locating Ball
(183)Manual Transmission Output Shaft Speed Sensor Reluctor Wheel
(190)Main Shaft
(191)Main Shaft Front Bearing Assembly
(193)Main Shaft Rear Bearing Assembly
(194)Main Shaft Rear Bearing Retaining Ring
(201)1st/2nd Gear Synchronizer Hub Retaining Ring
(203)3rd/4th Gear Synchronizer Hub Retaining Ring
(212)1st/2nd Gear Synchronizer Spring
(213)1st/2nd Gear Synchronizer Insert
(215)1st/2nd Gear Synchronizer Hub
(216)1st Gear Outer Blocking Ring
(217)1st Gear Internal Blocking Ring
(218)1st Gear Inner Blocking Ring
(219)1st Gear Blocking Ring Assembly
(226)2nd Gear Outer Blocking Ring
(227)2nd Gear Internal Blocking Ring
(228)2nd Gear Inner Blocking Ring
(229)2nd Gear Blocking Ring Assembly
(232)3rd/4th Gear Synchronizer Insert
(233)3rd/4th Gear Synchronizer Spring
(234)3rd/4th Gear Synchronizer Sleeve
(235)3rd/4th Gear Synchronizer Hub
(236)3rd Gear Outer Blocking Ring
(237)3rd Gear Internal Blocking Ring
(238)3rd Gear Inner Blocking Ring
(239)3rd Gear Blocking Ring Assembly
(246)4th Gear Blocking Ring
Figure 3:

Counter Gear and Reverse Idler Shaft Components


Object Number: 1526777  Size: LF
(175)Reverse Idler Gear
(177)Reverse Idler Gear Shaft
(247)5th/Reverse Gear Synchronizer Insert
(248)5th/Reverse Gear Synchronizer Spring
(249)5th/Reverse Gear Synchronizer Spring
(254)5th/Reverse Gear Synchronizer Sleeve
(255)5th/Reverse Synchronizer Gear Assembly
(256)5th/Reverse Gear Synchronizer Spring Retainer Ring
(259)5th/Reverse Gear Synchronizer Assembly
(278)5th/Reverse Gear Synchronizer Ring
(400)Counter Gear Shaft
(401)Counter Gear Front Bearing Retaining Ring
(402)Counter Gear Front Bearing Retainer
(403)Counter Gear Front Bearing Assembly
(404)Counter Gear Rear Bearing Assembly
(405)5th Gear Synchronizer Retaining Ring
(450)5th Counter Gear
(451)Counter Gear Key Pin
(452)5th Gear Thrust Washer
(453)5th Gear Bearing Assembly
Figure 4:

Shift Control and Shift Components


Object Number: 1644158  Size: LF
(7)Transmission Intermediate Case
(200)Manual Transmission Control Lever Washer
(202)Shift Shaft Detent Plug
(204)Shift Control Housing
(205)Vent
(206)Manual Transmission Control Lever Insulator
(207)Reverse Shift Fork Retaining Ring
(208)Manual Transmission Control Lever
(209)5th Shift Fork Pin
(210)1st/2nd Shift Fork
(211)1st/2nd Shift Shaft
(214)Transmission Shift Control Lever Boot
(220)Transmission Shift Control Lever Spring
(223)Shift Control Shaft Boot
(224)Shift Control Shaft
(225)Shift Shaft Detent
(230)3rd/4th Shift Fork
(231)3rd/4th Shift Shaft
(240)Rubber Balls
(241)Shift Control Housing Detent
(242)Shift Control Housing Detent Plug Spring
(243)Shift Control Housing Detent Plug
(250)5th/Reverse Shift Fork Assembly
(251)5th Shift Shaft
(270)Reverse Shift Fork
(271)Reverse Shift Shaft
(272)Reverse Shift Fork Bracket
(273)Reverse Shift Fork Bracket Bolt/Screw
(274)Reverse Shift Lever
(280)Shift Control Lever Select Socket
(281)Shift Control Select Shaft
(282)Shift Control Lever Socket Bolt/Screw
(285)Reverse Shift Shaft Detent Ball
(286)Reverse Shift Shaft Detent Spring
(287)Shift Shaft Detent Ball
(288)Shift Shaft Detent Spring
(289)Shift Shaft Detent Plug
(290)Transmission Shift Fork Retaining Ring
(291)1st/2nd Shift Shaft Pin
(291)3rd/4th Shift Shaft Pin
(291)Shift Shaft Interlock Pin
(292)1st/2nd Shift Shaft Fork Pin
(298)3rd/4th Shift Fork Bolt/Screw
(299)1st/2nd Shift Fork Bolt/Screw
(520)Manual Transmission Control Assembly