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Home >> Cadillac >> 2005 >> STS 3.6 7 >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 5L40-E/5L50-E - (Overhaul) >> Component Locator >> Fluid Passages

Fluid Passages

Fig 1: Torque Converter Housing - Fluid Pump Cover Side
GM820153Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
2 Line
2 Line
3 Decrease
4 Converter Feed
4 Converter Feed
4 Converter Feed
5 Release
6 Apply
7 Regulated Apply
7 Regulated Apply
7 Regulated Apply
8 To Cooler
8 To Cooler
12 Throttle Signal
12 Throttle Signal
16 Reverse Clutch
16 Reverse Clutch
21 Forward Clutch
24 TCC Signal
24 TCC Signal
32 Coast Clutch
37 Direct Clutch
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
50 Torque Converter Seal Drain Back
50 Torque Converter Seal Drain Back
51 Vent
51 Vent
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
53 Converter FDL
53 Converter FDL
Fig 2: Fluid Pump Cover - Torque Converter Housing Side
GM820154Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
2 Line
2 Line
2 Line
2 Line
3 Decrease
3 Decrease
3 Decrease
4 Converter Feed
4 Converter Feed
4 Converter Feed
4 Converter Feed
5 Release
5 Release
6 Apply
7 Regulated Apply
7 Regulated Apply
7 Regulated Apply
8 To Cooler
8 To Cooler
9 Lube
12 Throttle Signal
12 Throttle Signal
16 Reverse Clutch
16 Reverse Clutch
21 Forward Clutch
21 Forward Clutch
21 Forward Clutch
24 TCC Signal
24 TCC Signal
32 Coast Clutch
32 Coast Clutch
37 Direct Clutch
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
51 Vent
51 Vent
52 Void
52 Void
52 Void
53 Converter FDL
53 Converter FDL
Fig 3: Fluid Pump Cover - Case Side
GM820157Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
2 Line
5 Release
7 Regulated Apply
8 To Cooler
9 Lube
9 Lube
12 Throttle Signal
16 Reverse Clutch
16 Reverse Clutch
16 Reverse Clutch
21 Forward Clutch
21 Forward Clutch
21 Forward Clutch
24 TCC Signal
32 Coast Clutch
32 Coast Clutch
32 Coast Clutch
37 Direct Clutch
37 Direct Clutch
37 Direct Clutch
48 Exhaust
48 Exhaust
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
Fig 4: Case - Fluid Pump Cover Side
GM820158Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
7 Regulated Apply
8 To Cooler
9 Lube
12 Throttle Signal
16 Reverse Clutch
21 Forward Clutch
24 TCC Signal
32 Coast Clutch
37 Direct Clutch
Fig 5: Case - Top Channel Plate Side
GM820159Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
7 Regulated Apply
12 Throttle Signal
15 Reverse Lockout - RLO
16 Reverse Clutch
18 Low and Reverse Clutch or RLO
21 Forward Clutch
24 TCC Signal
30 Second Clutch
32 Coast Clutch
34 Second Coast Clutch
35 Intermediate Clutch
37 Direct Clutch
41 Overdrive Clutch
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
Fig 6: Top Channel Plate - Case Side
GM820161Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
7 Regulated Apply
12 Throttle Signal
16 Reverse Clutch
18 Low and Reverse Clutch or RLO
21 Forward Clutch
24 TCC Signal
30 Second Clutch
32 Coast Clutch
34 Second Coast Clutch
35 Intermediate Clutch
37 Direct Clutch
41 Overdrive Clutch
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
Fig 7: Top Channel Plate - Bottom Channel Plate Side
GM820162Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
2 Line
2 Line
7 Regulated Apply
10 Feed Limit
10 Feed Limit
10 Feed Limit
10 Feed Limit
12 Throttle Signal
13 Line Safety Mode
13 Line Safety Mode
13 Line Safety Mode
15 Reverse Lockout - RLO
15 Reverse Lockout - RLO
16 Reverse Clutch
16 Reverse Clutch
18 Low and Reverse Clutch or RLO
19 D432
19 D432
19 D432
20 123
20 123
21 Forward Clutch
21 Forward Clutch
21 Forward Clutch
21 Forward Clutch
22 2345
24 TCC Signal
27 1-2 Signal
27 1-2 Signal
28 2-3 Signal
28 2-3 Signal
28 2-3 Signal
30 Second Clutch
32 Coast Clutch
32 Coast Clutch
32 Coast Clutch
34 Second Coast Clutch
35 Intermediate Clutch
36 345
37 Direct Clutch
38 45
41 Overdrive Clutch
41 Overdrive Clutch
42 32
42 32
43 32 Safety Mode
43 32 Safety Mode
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
Fig 8: Bottom Channel Plate - Top Channel Plate Side
GM820163Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
2 Line
2 Line
7 Regulated Apply
10 Feed Limit
10 Feed Limit
10 Feed Limit
10 Feed Limit
12 Throttle Signal
13 Line Safety Mode
13 Line Safety Mode
15 Reverse Lockout - RLO
15 Reverse Lockout - RLO
16 Reverse Clutch
16 Reverse Clutch
18 Low and Reverse Clutch or RLO
19 D432
19 D432
19 D432
20 123
20 123
21 Forward Clutch
21 Forward Clutch
22 2345
24 TCC Signal
27 1-2 Signal
27 1-2 Signal
27 1-2 Signal
28 2-3 Signal
28 2-3 Signal
28 2-3 Signal
30 Second Clutch
32 Coast Clutch
34 Second Coast Clutch
35 Intermediate Clutch
35 Intermediate Clutch
36 345
37 Direct Clutch
38 45
41 Overdrive Clutch
42 32
42 32
43 32 Safety Mode
43 32 Safety Mode
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
52 Void
52 Void
Fig 9: Bottom Channel Plate - Control Valve Body Side
GM820164Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
7 Regulated Apply
7 Regulated Apply
10 Feed Limit
10 Feed Limit
10 Feed Limit
10 Feed Limit
10 Feed Limit
11 Filtered Feed Limit
12 Throttle Signal
13 Line Safety Mode
13 Line Safety Mode
15 Reverse Lockout - RLO
15 Reverse Lockout - RLO
15 Reverse Lockout - RLO
15 Reverse Lockout - RLO
16 Reverse Clutch
17 Low and Reverse Clutch
17 Low and Reverse Clutch
18 Low and Reverse Clutch or RLO
19 D432
19 D432
19 D432
19 D432
19 D432
19 D432
19 D432
20 123
20 123
21 Forward Clutch
22 2345
22 2345
22 2345
23 2345 or Reverse
23 2345 or Reverse
23 2345 or Reverse
23 2345 or Reverse
24 TCC Signal
24 TCC Signal
24 TCC Signal
25 123 Regulated
25 123 Regulated
26 123 Braking
27 1-2 Signal
27 1-2 Signal
27 1-2 Signal
28 2-3 Signal
28 2-3 Signal
28 2-3 Signal
30 Second Clutch
30 Second Clutch
32 Coast Clutch
33 23 Regulated
34 Second Coast Clutch
35 Intermediate Clutch
35 Intermediate Clutch
36 345
36 345
36 345
36 345
37 Direct Clutch
37 Direct Clutch
37 Direct Clutch
38 45
38 45
38 45
39 Overdrive Clutch Feed 1
40 Overdrive Clutch Feed 2
40 Overdrive Clutch Feed 2
41 Overdrive Clutch
42 32
42 32
43 32 Safety Mode
43 32 Safety Mode
44 FDL
44 FDL
45 32 Safety Model FDL
47 Memory
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
52 Void
52 Void
52 Void
52 Void
Fig 10: Spacer Plate - Bottom Channel Plate Side
GM820165Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
2 Line
7 Regulated Apply
7 Regulated Apply
10 Feed Limit
10 Feed Limit
10 Feed Limit
10 Feed Limit
10 Feed Limit
10 Feed Limit
10 Feed Limit
10 Feed Limit
10 Feed Limit
11 Filtered Feed Limit
11 Filtered Feed Limit
12 Throttle Signal
13 Line Safety Mode
13 Line Safety Mode
14 Reverse
15 Reverse Lockout - RLO
15 Reverse Lockout - RLO
15 Reverse Lockout - RLO
15 Reverse Lockout - RLO
15 Reverse Lockout - RLO
15 Reverse Lockout - RLO
16 Reverse Clutch
16 Reverse Clutch
16 Reverse Clutch
17 Low and Reverse Clutch
17 Low and Reverse Clutch
17 Low and Reverse Clutch
18 Low and Reverse Clutch or RLO
18 Low and Reverse Clutch or RLO
19 D432
19 D432
19 D432
19 D432
19 D432
19 D432
19 D432
19 D432
19 D432
20 123
20 123
20 123
20 123
20 123
21 Forward Clutch
21 Forward Clutch
21 Forward Clutch
21 Forward Clutch
21 Forward Clutch
22 2345
22 2345
22 2345
22 2345
22 2345
22 2345
22 2345
23 2345 or Reverse
23 2345 or Reverse
23 2345 or Reverse
23 2345 or Reverse
23 2345 or Reverse
24 TCC Signal
24 TCC Signal
24 TCC Signal
25 123 Regulated
25 123 Regulated
25 123 Regulated
25 123 Regulated
25 123 Regulated
26 123 Braking
26 123 Braking
27 1-2 Signal
27 1-2 Signal
27 1-2 Signal
28 2-3 Signal
28 2-3 Signal
28 2-3 Signal
30 Second Clutch
30 Second Clutch
30 Second Clutch
30 Second Clutch
31 Coast Clutch Feed
31 Coast Clutch Feed
32 Coast Clutch
33 23 Regulated
33 23 Regulated
33 23 Regulated
33 23 Regulated
33 23 Regulated
34 Second Coast Clutch
35 Intermediate Clutch
35 Intermediate Clutch
35 Intermediate Clutch
35 Intermediate Clutch
36 345
36 345
36 345
36 345
36 345
36 345
37 Direct Clutch
37 Direct Clutch
37 Direct Clutch
37 Direct Clutch
38 45
38 45
38 45
38 45
38 45
39 Overdrive Clutch Feed 1
39 Overdrive Clutch Feed 1
39 Overdrive Clutch Feed 1
40 Overdrive Clutch Feed 2
40 Overdrive Clutch Feed 2
40 Overdrive Clutch Feed 2
40 Overdrive Clutch Feed 2
41 Overdrive Clutch
41 Overdrive Clutch
42 32
42 32
43 32 Safety Mode
43 32 Safety Mode
43 32 Safety Mode
44 FDL
44 FDL
44 FDL
44 FDL
44 FDL
44 FDL
45 32 Safety Model FDL
45 32 Safety Model FDL
46 Memory Pilot
47 Memory
47 Memory
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
54 Accumulator
54 Accumulator
54 Accumulator
54 Accumulator
54 Accumulator
54 Accumulator
54 Accumulator
Fig 11: Front Control Valve Body - Bottom Channel Plate Side
GM820166Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
2 Line
2 Line
7 Regulated Apply
7 Regulated Apply
10 Feed Limit
10 Feed Limit
10 Feed Limit
11 Filtered Feed Limit
12 Throttle Signal
13 Line Safety Mode
15 Reverse Lockout - RLO
16 Reverse Clutch
19 D432
20 123
23 2345 or Reverse
23 2345 or Reverse
24 TCC Signal
27 1-2 Signal
28 2-3 Signal
36 345
36 345
36 345
37 Direct Clutch
37 Direct Clutch
37 Direct Clutch
38 45
39 Overdrive Clutch Feed 1
40 Overdrive Clutch Feed 2
40 Overdrive Clutch Feed 2
42 32
43 32 Safety Mode
46 Memory Pilot
47 Memory
47 Memory
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
54 Accumulator
54 Accumulator
Fig 12: Rear Control Valve Body - Bottom Channel Plate Side
GM820167Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
2 Line
2 Line
10 Feed Limit
10 Feed Limit
10 Feed Limit
10 Feed Limit
13 Line Safety Mode
14 Reverse
14 Reverse
15 Reverse Lockout - RLO
15 Reverse Lockout - RLO
17 Low and Reverse Clutch
17 Low and Reverse Clutch
19 D432
19 D432
19 D432
19 D432
20 123
20 123
21 Forward Clutch
22 2345
22 2345
22 2345
22 2345
24 TCC Signal
25 123 Regulated
25 123 Regulated
25 123 Regulated
25 123 Regulated
25 123 Regulated
26 123 Braking
26 123 Braking
27 1-2 Signal
28 2-3 Signal
28 2-3 Signal
30 Second Clutch
30 Second Clutch
30 Second Clutch
30 Second Clutch
31 Coast Clutch Feed
32 Coast Clutch
33 23 Regulated
33 23 Regulated
33 23 Regulated
34 Second Coast Clutch
35 Intermediate Clutch
35 Intermediate Clutch
35 Intermediate Clutch
35 Intermediate Clutch
36 345
38 45
38 45
39 Overdrive Clutch Feed 1
40 Overdrive Clutch Feed 2
42 32
43 32 Safety Mode
44 FDL
44 FDL
44 FDL
44 FDL
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
48 Exhaust
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
52 Void
54 Accumulator
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