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Automatic Transmission Components

Fig 1: View Of Oil Pump Components
GM1248541Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Oil Pump Body
2 Oil Pump Drive Gear
3 Oil Pump Driven Gear
4 Stator Shaft
5 Bolt
Fig 2: View Of Direct Clutch Components
GM1248543Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Seal Ring
2 Input Shaft Sub-Assembly
3 O-Ring
4 Piston
5 O-Ring
6 Return Spring
7 Snap Ring
8 Plate
9 Disc
10 Flange
11 Snap Ring
Fig 3: View Of Planetary Ring Gear Components
GM1248544Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Snap Ring
2 Planetary Ring Gear Flange
3 Planetary Ring Gear
Fig 4: View Of One-Way Clutch Components
GM1248545Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Snap Ring
2 One-Way Clutch
3 Second Brake Hub
4 Retainer
Fig 5: View Of Forward And Reverse Clutch Components
GM1248546Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Seal Ring
2 Flange
3 Disc
4 Plate
5 Flange
6 Snap Ring
7 Flange
8 Disc
9 Plate
10 Snap Ring
11 Clutch Balancer
12 Forward Clutch Return Spring
13 Forward Clutch Piston
14 O-Ring
15 Forward Clutch Drum
16 O-Ring
17 Intermediate Shaft Sub-Assembly
Fig 6: View Of Counter Driven Gear Components
GM1225573Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Outer Tapered Roller Bearing Race
2 Tapered Roller Bearing
3 Counter Drive Pinion
4 Counter Driven Gear
5 Tapered Roller Bearing
6 Outer Tapered Roller Bearing Race
Fig 7: View Of Valve Body Components (1 of 3)
GM1225574Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Manual Valve
2 Upper Valve Body
3 Valve Body Plate
4 Pressure Control Solenoid Valve
5 Lower Valve Body
6 Lock-Up Solenoid Valve
7 Timing Solenoid Valve
8 O-Ring
9 O-Ring
10 O-Ring
11 No. 2 Solenoid Valve
12 No. 1 Solenoid Valve
Fig 8: View Of Valve Body Components (2 of 3)
GM1225575Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Cover
2 Gasket
3 Cover Plate
4 Gasket
5 Check Ball
6 Spring
7 Check Valve
8 Ball
9 Spring
10 Pressure Relief Valve Spring Seat
Fig 9: View Of Valve Body Components (3 of 3)
GM1225577Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Key
2 Sleeve
3 Spring
4 Plunger
5 Lock-Up Control Valve
6 Reverse Control Valve
7 Spring
8 Key
9 Plug
10 Spring
11 3-4 Shift Valve
12 Spring
13 O-Ring
14 Reverse Clutch Accumulator Piston
15 O-Ring
16 Upper Valve Body Cover
17 Spring
18 O-Ring
19 Second Brake Accumulator Piston
20 O-Ring
21 Spring
22 3-4 Shift Timing Valve
23 Plunger
24 No. 1 Check Valve
25 Ball
26 No. 2 Check Valve
27 Key
28 Key
29 Plug
30 Secondary Regulator Valve
31 Spring

During reassembly, please refer to the spring specifications below to help you to discriminate between the different springs.

Fig 10: View Of Upper Valve Body Spring Components
GM1225578Courtesy of GENERAL MOTORS CORP.
Mark Name Color Free Length Outer Diameter Total Number of Coils
Metric English Metric English
1 3-4 Shift Valve Red 25.5 mm 1.0039 in 9.73 mm 0.3831 in 7.75
2 Lock Up Control Valve Yellow 20.87 mm 0.8217 in 5.55 mm 0.2185 in 11.15
3 Reverse Control Valve - 25.58 mm 1.0071 in 8.64 mm 0.3402 in 8.75
4 Secondary Regulator Valve White 34.56 mm 1.3606 in 8.8 mm 0.346 in 12.27
5 Reverse Clutch Accumulator Piston - 65.4 mm 2.5748 in 17 mm 0.669 in 13.7
6 2nd Brake Accumulator Piston - Outer White 69 mm 2.7165 in 16 mm 0.63 in 15.1
7 2nd Brake Accumulator Piston - Inner - 45.9 mm 1.8071 in 10.5 mm 0.413 in 16.9
8 3-4 Shift Timing Valve Pink 28.41 mm 1.1185 in 6.4 mm 0.252 in 10.49
Fig 11: View Of Upper Valve Body Key Components
GM1225579Courtesy of GENERAL MOTORS CORP.
Mark Retainer Height Width Thickness
Metric English Metric English Metric English
1 Check Valve 11.5 mm 0.453 in 5 mm 0.197 in 3.2 mm 0.126 in
2 Secondary Regulator Valve 16 mm 0.63 in 5 mm 0.197 in 3.2 mm 0.126 in
3 Lock Up Control Valve 16 mm 0.63 in 5 mm 0.197 in 3.2 mm 0.126 in
4 Reverse Control Valve 11.5 mm 0.453 in 5 mm 0.197 in 3.2 mm 0.126 in
Fig 12: View Of Upper Valve Body Check Ball Components
GM1248159Courtesy of GENERAL MOTORS CORP.
Name Metric English
Check Ball 5.535 mm 0.21791 in
Fig 13: View Of Lower Valve Body Components
GM1225580Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Key
2 Spring
3 4-3 Shift Timing Valve
4 Key
5 Plug
6 2-3 Shift Valve
7 Spring
8 Key
9 Plug
10 1-2 Shift Valve
11 Spring
12 Key
13 Sleeve
14 Plunger
15 Spring
16 Primary Regulator Valve
17 Key
18 Sleeve
19 Plunger
20 Spring
21 Lock-Up Relay Valve
22 Key
23 Spring
24 Solenoid Modulator Valve
25 Solenoid Oil Strainer
26 Lower Modulator Valve
27 Spring
28 Key
Fig 14: View Of Lower Valve Body Spring Components
GM1225582Courtesy of GENERAL MOTORS CORP.
Mark Name Color Free Length Outer Diameter Total Number of Coils
Metric English Metric English
1 4-3 Shift Timing Valve No. 1 - 33.95 mm 1.3366 in 8.2 mm 0.323 in 12.5
2 Primary Regulator Valve - 50.53 mm 1.9894 in 13.6 mm 0.535 in 11.07
3 Lock Up Relay Valve Red 23.42 mm 0.9221 in 5.86 mm 0.2307 in 12.25
4 Solenoid Modulator Valve Yellow 32.13 mm 1.265 in 8 mm 0.315 in 15.75
5 1-2 Shift Valve Red 25.5 mm 1.0039 in 9.73 mm 0.3831 in 7.75
6 2-3 Shift Valve Red 25.5 mm 1.0039 in 9.73 mm 0.3831 in 7.75
7 Low Modulator Valve - 30.43 mm 1.198 in 7.75 mm 0.3051 in 12.72
Fig 15: View Of Lower Valve Body Key Components
GM1225583Courtesy of GENERAL MOTORS CORP.
Mark Retainer Height Width Thickness
Metric English Metric English Metric English
1 4-3 Shift Timing Valve No. 1 36 mm 1.417 in 5 mm 0.197 in 3.2 mm 0.126 in
2 2-3 Shift Valve 10 mm 0.394 in 5 mm 0.197 in 3.2 mm 0.126 in
3 1-2 Shift Valve 10 mm 0.394 in 5 mm 0.197 in 3.2 mm 0.126 in
4 Primary Regulator Valve 9.8 mm 0.386 in 5.2 mm 0.205 in 3.2 mm 0.126 in
5 Lock Up Relay Valve 16 mm 0.63 in 5 mm 0.197 in 3.2 mm 0.126 in
6 Solenoid Modulator Valve 24 mm 0.945 in 5 mm 0.197 in 3.2 mm 0.126 in
7 Low Modulator Valve 24 mm 0.945 in 5 mm 0.197 in 3.2 mm 0.126 in
Fig 16: View Of Differential Case Components
GM1225584Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Differential Pinion Thrust Washer
2 Differential Pinion Gear
3 Differential Side Gear Thrust Washer
4 Differential Side Gear
5 Pin
6 Differential Pinion Shaft
7 Oil Seal
8 Side Bearing Outer Race
9 Tapered Roller Bearing
10 Differential Case
11 Differential Ring Gear
12 Tapered Roller Bearing
13 Side Bearing Outer Race
14 Shim
15 Oil Seal
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