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Fluid Passages

Fig 1: Oil Pump Base Fluid Passages (Control Valve Body Side)
GM20907Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
1 Suction
1 Suction
2 Line
2 Line
2 Line
2 Line
3 Decrease
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
Fig 2: Control Valve Body Fluid Passages (Oil Pump Base Side)
GM1205871Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
1 Suction
1 Suction
2 Line
2 Line
2 Line
2 Line
2 Line
3 Decrease
6 Release
13 PRND4
25 Reverse
28 Drive
41 D21
44 Lo
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
Fig 3: Control Valve Body Fluid Passages - Channel Plate Side
GM1776871Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
3 Decrease
3 Decrease
4 Converter Feed
4 Converter Feed
4 Converter Feed
6 Release
6 Release
6 Release
7 Apply
8 Cooler
8 Cooler
10 Lube 2
10 Lube 2
10 Lube 2
10 Lube 2
11 PRN
12 Lo/PRN
12 Lo/PRN
13 PRND4
14 Actuator Feed
14 Actuator Feed
14 Actuator Feed
14 Actuator Feed
14 Actuator Feed
15 Filtered Actuator Feed
15 Filtered Actuator Feed
16 1-2 Signal
16 1-2 Signal
16 1-2 Signal
17 2-3 Signal
17 2-3 Signal
18 Torque Signal
18 Torque Signal
18 Torque Signal
18 Torque Signal
18 Torque Signal
18 Torque Signal
19 VBS Signal
20 1-2/3-4 Accumulator
20 1-2/3-4 Accumulator
20 1-2/3-4 Accumulator
20 1-2/3-4 Accumulator
21 1-2 Accumulator Feed
22 3-4 Accumulator
24 2-3 Accumulator Feed
25 Reverse
25 Reverse
25 Reverse
25 Reverse
25 Reverse
25 Reverse
27 Lo Band
27 Lo Band
27 Lo Band
27 Lo Band
28 Drive
28 Drive
28 Drive
28 Drive
30 2-3 Drive
30 2-3 Drive
30 2-3 Drive
30 2-3 Drive
30 2-3 Drive
31 Filtered 2-3 Drive
32 2nd Clutch
32 2nd Clutch
32 2nd Clutch
33 TCC Signal (PWM)
33 TCC Signal (PWM)
33 TCC Signal (PWM)
34 TCC Regulated Apply
34 TCC Regulated Apply
34 TCC Regulated Apply
35 3-4 Drive
35 3-4 Drive
35 3-4 Drive
35 3-4 Drive
37 Direct Clutch
38 4th Band
38 4th Band
38 4th Band
39 D321
39 D321
39 D321
39 D321
40 Coast Clutch
40 Coast Clutch
40 Coast Clutch
41 D21
42 Intermediate Band Feed
42 Intermediate Band Feed
42 Intermediate Band Feed
42 Intermediate Band Feed
42 Intermediate Band Feed
43 Intermediate Band
43 Intermediate Band
43 Intermediate Band
43 Intermediate Band
44 Lo
44 Lo
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
46 Orificed Exhaust
46 Orificed Exhaust
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
Fig 4: Spacer Plate - With Electronic Range Select Mode
GM1206296Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
3 Decrease
4 Converter Feed
4 Converter Feed
5 TCC Feed Limit
5 TCC Feed Limit
6 Release
6 Release
6 Release
7 Apply
8 Cooler
10 Lube 2
10 Lube 2
10 Lube 2
11 PRN
12 Lo/PRN
13 PRND4
13 PRND4
14 Actuator Feed
14 Actuator Feed
14 Actuator Feed
14 Actuator Feed
15 Filtered Actuator Feed
16 1-2 Signal
17 2-3 Signal
17 2-3 Signal
18 Torque Signal
18 Torque Signal
18 Torque Signal
18 Torque Signal
18 Torque Signal
20 1-2/3-4 Accumulator
20 1-2/3-4 Accumulator
20 1-2/3-4 Accumulator
20 1-2/3-4 Accumulator
21 1-2 Accumulator Feed
22 3-4 Accumulator Feed
23 2-3 Accumulator
24 2-3 Accumulator Feed
25 Reverse
25 Reverse
25 Reverse
26 Reverse Clutch
27 Lo Band
27 Lo Band
27 Lo Band
28 Drive
29 Forward Clutch
30 2-3 Drive
30 2-3 Drive
30 2-3 Drive
30 2-3 Drive
30 2-3 Drive
32 2nd Clutch
32 2nd Clutch
33 TCC Signal (PWM)
33 TCC Signal (PWM)
34 TCC Regulated Apply
34 TCC Regulated Apply
35 3-4 Drive
35 3-4 Drive
36 Direct Clutch Feed
37 Direct Clutch
38 4th Band
38 4th Band
39 D321
39 D321
39 D321
39 D321
39 D321
39 D321
40 Coast Clutch
41 D21
42 Intermediate Band Feed
42 Intermediate Band Feed
43 Intermediate Band
43 Intermediate Band
43 Intermediate Band
43 Intermediate Band
43 Intermediate Band
43 Intermediate Band
44 Lo
44 Lo
44 Lo
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
46 Orificed Exhaust
47 Void
47 Void
47 Void
Fig 5: Channel Plate Fluid Passages - Control Valve Body Side
GM1776877Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
3 Decrease
4 Converter Feed
4 Converter Feed
5 TCC Feed Limit
5 TCC Feed Limit
6 Release
6 Release
6 Release
7 Apply
7 Apply
7 Apply
7 Apply
8 Cooler
8 Cooler
9 Lube 1
9 Lube 1
9 Lube 1
9 Lube 1
9 Lube 1
10 Lube 2
10 Lube 2
11 PRN
11 PRN
11 PRN
11 PRN
12 Lo/PRN
13 PRND4
13 PRND4
14 Actuator Feed
14 Actuator Feed
14 Actuator Feed
14 Actuator Feed
17 2-3 Signal
17 2-3 Signal
18 Torque Signal
18 Torque Signal
18 Torque Signal
20 1-2/3-4 Accumulator
20 1-2/3-4 Accumulator
20 1-2/3-4 Accumulator
20 1-2/3-4 Accumulator
21 1-2 Accumulator Feed
22 3-4 Accumulator Feed
23 2-3 Accumulator
24 2-3 Accumulator Feed
25 Reverse
25 Reverse
25 Reverse
25 Reverse
25 Reverse
25 Reverse
27 Lo Band
27 Lo Band
27 Lo Band
27 Lo Band
28 Drive
28 Drive
30 2-3 Drive
30 2-3 Drive
30 2-3 Drive
30 2-3 Drive
30 2-3 Drive
30 2-3 Drive
32 2nd Clutch
32 2nd Clutch
32 2nd Clutch
32 2nd Clutch
33 TCC Signal (PWM)
34 TCC Regulated Apply
35 3-4 Drive
36 Direct Clutch Feed
36 Direct Clutch Feed
37 Direct Clutch
37 Direct Clutch
38 4th Band
38 4th Band
39 D321
39 D321
39 D321
40 Coast Clutch
40 Coast Clutch
41 D21
41 D21
42 Intermediate Band Feed
43 Intermediate Band
43 Intermediate Band
43 Intermediate Band
43 Intermediate Band
43 Intermediate Band
44 Lo
44 Lo
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
46 Orificed Exhaust
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
47 Void
#1 Ball Check Valve
#2 Ball Check Valve
#3 Ball Check Valve
#4 Ball Check Valve
#5 Ball Check Valve
#6 Ball Check Valve
#7 Ball Check Valve
Fig 6: Channel Plate Fluid Passages (Case Side)
GM1205879Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
1 Suction
2 Line
3 Decrease
8 Cooler
9 Lube 1
9 Lube 1
9 Lube 1
10 Lube 2
21 1-2 Accumulator Feed
22 3-4 Accumulator Feed
24 2-3 Accumulator Feed
25 Reverse
25 Reverse
27 Lo Band
28 Drive
32 2nd Clutch
32 2nd Clutch
36 Direct Clutch Feed
37 Direct Clutch
38 4th Band
38 4th Band
40 Coast Clutch
43 Intermediate Band
45 Exhaust
45 Exhaust
45 Exhaust
45 Exhaust
47 Void
47 Void
47 Void
Fig 7: Channel Plate to Case Gasket
GM1205880Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
1 Suction
2 Line
8 Cooler
9 Lube 1
10 Lube 2
10 Lube 2
24 2-3 Accumulator Feed
24 2-3 Accumulator Feed
25 Reverse
25 Reverse
27 Lo Band
27 Lo Band
28 Drive
28 Drive
32 2nd Clutch
38 4th Band
38 4th Band
38 4th Band
43 Intermediate Band
43 Intermediate Band
45 Exhaust
47 Void
47 Void
47 Void
Fig 8: Case and Driven Sprocket Support Fluid Passages (Channel Plate Side)
GM1205881Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
1 Suction
1 Suction
2 Line
8 Cooler
8 Cooler
9 Lube 1
9 Lube 1
9 Lube 1
9 Lube 1
9 Lube 1
9 Lube 1
10 Lube 2
10 Lube 2
24 2-3 Accumulator Feed
24 2-3 Accumulator Feed
25 Reverse
25 Reverse
26 Reverse Clutch
26 Reverse Clutch
27 Lo Band
27 Lo Band
28 Drive
28 Drive
32 2nd Clutch
32 2nd Clutch
37 Direct Clutch
37 Direct Clutch
38 4th Band
38 4th Band
38 4th Band
38 4th Band
40 Coast Clutch
40 Coast Clutch
43 Intermediate Band
43 Intermediate Band
45 Exhaust
47 Void
47 Void
48 Oil Level Control
48 Oil Level Control
Fig 9: Case Fluid Passages (Bottom)
GM20897Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
10 Lube 2
10 Lube 2
25 Reverse
25 Reverse
27 Lo Band
27 Lo Band
29 Forward Clutch
29 Forward Clutch
38 4th Band
43 Intermediate Band
47 Void
47 Void
47 Void
48 Oil Level Control
48 Oil Level Control
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