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Component Location

Fig 1: Transmission Major Components Location
GM53813Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Oil Pump Assembly
2 Case Cover Assembly
3 Control Valve Body Assembly
4 Drive Sprocket
5 Torque Converter Assembly
6 Reverse Band Assembly
7 Third Clutch Sprag Assembly
8 Input Clutch Sprag Assembly
9 Input Carrier Assembly
10 2-1 Manual Band Assembly
11 Reaction Carrier Assembly
12 1/2 Support Roller Clutch Assembly
13 Vehicle Speed Sensor Assembly
14 Final Drive/Differential Carrier Assembly
15 Forward Band Assembly
16 2-1 Manual Band Servo Assembly
17 Input Clutch Assembly
18 Third Clutch Assembly
19 Second Clutch Assembly
20 Oil Filter Assembly
21 Driven Sprocket Support Assembly
22 Driven Sprocket
23 Drive Link Assembly
24 Fourth Clutch Assembly
25 Output Shaft
Fig 2: Case Side Cover Bolts Location
GM330231Courtesy of GENERAL MOTORS CORP.
Callout Component Name
56 Side Cover Bolt/Screw M8 X 1.25 X 25.0 (9)
57 Side Cover Bolt/Screw M8 X 1.25 X 21.0 (4)
58 Side Cover Bolt/Screw M8 X 1.25 X 24.0 (4)
Fig 3: Oil Pump Bolts Location - 3 Piece Pump
GM893319Courtesy of GENERAL MOTORS CORP.
Callout Component Name
230 Pump Body to Case Bolt M6 X 1.0 X 95.0 (2)
230 Pump Body to Case Bolt M6 X 1.0 X 95.0 (2)
231 Pump Cover to Case Cover Bolt M6 X 1.0 X 87.5 (9)
231 Pump Cover to Case Cover Bolt M6 X 1.0 X 87.5 (9)
231 Pump Cover to Case Cover Bolt M6 X 1.0 X 87.5 (9)
231 Pump Cover to Case Cover Bolt M6 X 1.0 X 87.5 (9)
Fig 4: Control Valve Body Bolts Location
GM840834Courtesy of GENERAL MOTORS CORP.
Callout Component Name
374 Control Valve Body Bolt/Screw M6 X 1.0 X 65.0 (3)
375 Control Valve Body Bolt/Screw M6 X 1.0 X 60.0 (2)
376 Control Valve Body Bolt/Screw M6 X 1.0 X 30.0 (1)
377 Control Valve Body Bolt/Screw M6 X 1.0 X 45.0 (2)
378 Control Valve Body Bolt/Screw M6 X 1.0 X 55.0 (3)
379 Control Valve Body Bolt/Screw M6 X 1.0 X 87.5 (1)
380 Control Valve Body Bolt/Screw M8 X 1.0 X 90.0 (1)
381 Control Valve Body Bolt/Screw M6 X 1.0 X 20.0 (1)
384 Control Valve Body Bolt/Screw M6 X 1.0 X 85.0 (1)
Fig 5: Case Cover Bolts Location
GM51150Courtesy of GENERAL MOTORS CORP.
Callout Component Name
433 Case Cover Bolt/Screw TORX® Plus Special M6 X 1.0 X 32.0 (1)
434 Case Cover Bolt/Screw M6 X 1.0 X 40.0 (3)
435 Case Cover Bolt/Screw M8 X 1.25 X 50.0 (3)
436 Case Cover Bolt/Screw M6 X 1.0 X 30.0 (3)
805 Case Cover Bolt/Screw M6 X 1.0 X 16.0 (1)
Fig 6: Bottom Pan, Accumulator Cover and Manual 2-1 Band Servo Cover Bolts Location
GM262443Courtesy of GENERAL MOTORS CORP.
Callout Component Name
23 Transmission Oil Pan Bolt M6 X 1.0 X 17.0 (20)
103 2-1 Manual Band Servo Cover Bolt/Screw M8 X 1.25 X 25.0 (3)
131 Accumulator Cover Bolt/Screw M6 X 1.0 X 28.0 (11)
Fig 7: Thrust Washers
GM1568667Courtesy of GENERAL MOTORS CORP.
Callout Component Name
432 Fourth Clutch Shaft Thrust Washer
505 Fourth Clutch Shaft Thrust Washer
508 Driven Sprocket Thrust Washer
514 Drive Sprocket Thrust Washer
517 Drive Sprocket Thrust Washer
611 Second Clutch Housing Thrust Washer
630 Input Clutch Housing Thrust Washer Selective
691 Final Drive Gear Internal Thrust Washer/Bearing
703 Differential Pinion Thrust Washer
706 Differential Side Gear Thrust Washer Bronze
708 Planetary Pinion Gear Thrust Washer Steel
714 Differential Carrier/Case Thrust Washer
Fig 8: Bushings Location
GM51133Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Torque Converter Bushing
7a Front Differential Carrier Bushing M15 and MN3 Models Only
523 Turbine Shaft Bushing
614 Second Clutch Housing Bushing
616 Second Clutch Housing Front Bushing
619 Second Clutch Housing Rear Bushing
631 Input Shaft Bushing
677 Reaction Sun Gear Bushing Left Side
679 Reaction Sun Gear Bushing Right Side
686 1-2 Support Drum Bushing
690 Front Differential Carrier Internal Gear Bushing
Fig 9: Bearings
GM1568669Courtesy of GENERAL MOTORS CORP.
Callout Component Name
7b Output Shaft Bearing Assembly MN7 Models Only
208 Oil Pump Drive Shaft Bearing
431 Front Wheel Drive Shaft Bearing
521 Drive Sprocket Bearing Assembly
606 Driven Sprocket Bearing Assembly
629 Input Clutch Housing Thrust Bearing Assembly
644 Input Shaft Thrust Bearing Assembly
671 Input Sun Gear Thrust Bearing Assembly
674 Reaction Carrier Thrust Bearing Assembly
676 Reaction Sun Gear Thrust Bearing Assembly
685 1-2 Drum Support Thrust Bearing
691 Final Drive Gear Internal Thrust Bearing/Washer
695 Front Differential Carrier Internal Gear Thrust Bearing
698 Front Differential Carrier Sun Gear Thrust Bearing
709 Front Differential Carrier Planetary Pinion Bearing
715 Front Differential Carrier Thrust Bearing
723 Input Clutch Housing Thrust Bearing
Fig 10: Lip Seals Location
GM51144Courtesy of GENERAL MOTORS CORP.
Callout Component Name
4 Front Wheel Drive Shaft Oil Seal Assembly Right Side
18 Forward Band Servo Piston Oil Seal Ring
43 Reverse Band Servo Piston Oil Seal Ring
101 Automatic Transmission Oil Filter Seal
107 Manual 2-1 Band Servo Piston Seal
409 Front Wheel Drive Shaft Oil Seal Assembly Left Side
525 Torque Converter Oil Seal Assembly
604 Fourth Clutch Piston Seal Outer
605 Fourth Clutch Piston Seal Inner
620 Second Clutch Piston and Seal Assembly
620 Second Clutch Piston and Seal Assembly
634 Input Clutch Piston Seal Inner
635 Input Clutch Piston Seal Outer
641 Third Clutch Piston Seal Inner
642 Third Clutch Piston and Seal Assembly
642 Third Clutch Piston and Seal Assembly
806 Manual Shift Shaft Seal
Fig 11: Square and O-Ring Seals Location
GM51146Courtesy of GENERAL MOTORS CORP.
Callout Component Name
8 Automatic Transmission Case Extension Seal
11 Vehicle Speed Sensor O-Ring Seal
14 Forward Band Servo Cover Seal
41 Reverse Band Servo Cover O-Ring Seal
105 Manual 2-1 Band Servo Cover Seal
113 Manual 2-1 Band Servo Piston Cylinder O-Ring Seal
137a 1-2 Accumulator Piston Oil Seal Ring
137b 2-3 Accumulator Piston Oil Seal Ring
212 Automatic Transmission Oil Pump Slide Oil Seal Ring
213 Automatic Transmission Oil Pump Slide O-Ring Seal
220 Automatic Transmission Oil Pump Slide Seal
221 Automatic Transmission Oil Pump Slide Seal Support
228 Automatic Transmission Oil Pump Drive Shaft Seal
422 3-4 Accumulator Piston Cylinder O-Ring Seal
427 3-4 Accumulator Piston Oil Seal
513 Turbine Shaft Oil Seal Ring
519 Turbine Shaft Oil Seal Ring
520 Turbine Shaft O-Ring Seal
612 Second Clutch Housing Oil Seal Ring Four Lobe Seal
613 Second Clutch Housing Oil Seal Ring
628 Input Clutch Housing Oil Seal Ring
638 Third Clutch Housing O-Ring Seal
810 Park Pawl Actuator Guide O-Ring Seal
Fig 12: Gaskets Location
GM788710Courtesy of GENERAL MOTORS CORP.
Callout Component Name
25 Oil Pan Gasket
54 Case Side Cover Gasket
59 Case Side Cover Inner Gasket
396 Control Valve Body Spacer Plate and Gasket Assembly
429 Case Cover Lower Gasket
430 Case Cover Upper Gasket
Fig 13: Ball Check Valves Location
GM54172Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 TCC Apply-Release
2 2nd-2nd Clutch
3 Input Clutch-PRN
4 3rd Clutch-Lo/1st
5 Reverse-Reverse Servo Large
6 D4-Servo Apply
7 Lo-Lo/1st
8 D2-Manual 2-1 Servo Feed
9 3rd-3rd Clutch
10 Line-Lo/1st Gear
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