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Fluid Passages

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Torque Dampener Housing Assembly
GM1968916Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
4 Decrease
7 Cooler Feed
8 Lube
9 Regulator Lube
12 PCS Line
13 Auxiliary Suction
14 Auxiliary Line
38 Exhaust
39 Seal Drainback
41 Void
43 Auxiliary Line Boost
Fig 2: Fluid Pump Cover Assembly - Torque Dampener Housing Assembly Side
GM1968917Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
2 Line
4 Decrease
7 Cooler Feed
8 Lube
9 Regulator Lube
12 PCS Line
13 Auxiliary Suction
14 Auxiliary Line
38 Exhaust
39 Seal Drainback
41 Void
43 Auxiliary Line Boost
Fig 3: Fluid Pump Cover Assembly - Case Assembly Side
GM1968918Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Suction
2 Line
4 Decrease
9 Regulator Lube
12 PCS Line
13 Auxiliary Suction
14 Auxiliary Line
38 Exhaust
39 Seal Drainback
41 Void
43 Auxiliary Line Boost
Fig 4: Case Assembly - Fluid Pump Cover Assembly Side
GM1968919Courtesy of GENERAL MOTORS CORP.
Callout Component Name
5 A Cooling
33 4th Clutch
40 Vent
Fig 5: Case Assembly - Rear Case Assembly Side
GM1968920Courtesy of GENERAL MOTORS CORP.
Callout Component Name
6 B Cooling
18 HL 12 Clutch
25 13 Clutch
30 HD 234 Clutch
40 Vent
Fig 6: Center Support Assembly - Case Assembly Side
GM1968921Courtesy of GENERAL MOTORS CORP.
Callout Component Name
25 13 Clutch
Fig 7: Rear Case Assembly - Case Assembly Side
GM1968922Courtesy of GENERAL MOTORS CORP.
Callout Component Name
6 B Cooling
18 HL 12 Clutch
30 HD 234 Clutch
41 Void
Fig 8: Case Assembly - Control Valve Upper Body Assembly Side
GM1968925Courtesy of GENERAL MOTORS CORP.
Callout Component Name
5 A Cooling
6 B Cooling
18 HL 12 Clutch
25 13 Clutch
30 HD 234 Clutch
33 4th Clutch
41 Void
Fig 9: Control Valve Upper Body Assembly - Case Assembly Side
GM1968928Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
5 A Cooling
6 B Cooling
12 PCS Line
14 Auxiliary Line
18 HL 12 Clutch
25 13 Clutch
30 HD 234 Clutch
33 4th Clutch
38 Exhaust
41 Void
43 Auxiliary Line Boost
Fig 10: Control Valve Upper Body Assembly - Control Valve Channel Plate Side
GM1968929Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
3 Line or Auxiliary Line
5 A Cooling
6 B Cooling
10 Actuator Feed Limit
11 PS1
12 PCS Line
14 Auxiliary Line
15 PCS 3 Signal
16 HL 12 Clutch/4th Clutch Feed
17 HL 12 Clutch/4th Clutch Feedback
18 HL 12 Clutch
19 PCS 4 Signal
20 Solenoid 1 Signal
21 PS3
22 PS4
23 13 Clutch/A Cooling Feed
24 13 Clutch Feedback
25 13 Clutch
26 PCS 2 Signal
27 HD 234 Clutch/B Cooling Feed
28 HD 234 Clutch Feedback
29 HD 234 Clutch Supply
30 HD 234 Clutch
31 Solenoid 2 Signal
32 4th Clutch/B Cooling Feed
33 4th Clutch
34 4th Clutch/B Cooling Supply
35 PS5
36 Backfill
37 Actuator Feed Limit/Backfill
38 Exhaust
41 Void
42 PCS 5 Signal
43 Auxiliary Line Boost
44 PCS 6 Signal
Fig 11: Control Valve Body Spacer (w/Gasket) Plate Assembly - Control Valve Upper Body Assembly Side
GM1968930Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
3 Line or Auxiliary Line
5 A Cooling
6 B Cooling
10 Actuator Feed Limit
11 PS1
12 PCS Line
14 Auxiliary Line
15 PCS 3 Signal
16 HL 12 Clutch/4th Clutch Feed
17 HL 12 Clutch/4th Clutch Feedback
18 HL 12 Clutch
19 PCS 4 Signal
20 Solenoid 1 Signal
21 PS3
22 PS4
23 13 Clutch/A Cooling Feed
24 13 Clutch Feedback
25 13 Clutch
26 PCS 2 Signal
27 HD 234 Clutch/B Cooling Feed
28 HD 234 Clutch Feedback
29 HD 234 Clutch Supply
31 Solenoid 2 Signal
32 4th Clutch/B Cooling Feed
34 4th Clutch/B Cooling Supply
35 PS5
36 Backfill
37 Actuator Feed Limit/Backfill
38 Exhaust
42 PCS 5 Signal
43 Auxiliary Line Boost
44 PCS 6 Signal
Fig 12: Control Valve Channel Plate - Control Valve Upper Body Assembly Side
GM1968933Courtesy of GENERAL MOTORS CORP.
Callout Component Name
2 Line
3 Line or Auxiliary Line
5 A Cooling
6 B Cooling
10 Actuator Feed Limit
11 PS1
12 PCS Line
14 Auxiliary Line
15 PCS 3 Signal
16 HL 12 Clutch/4th Clutch Feed
17 HL 12 Clutch/4th Clutch Feedback
18 HL 12 Clutch
19 PCS 4 Signal
20 Solenoid 1 Signal
21 PS3
22 PS4
23 13 Clutch/A Cooling Feed
24 13 Clutch Feedback
25 13 Clutch
26 PCS 2 Signal
27 HD 234 Clutch/B Cooling Feed
29 HD 234 Clutch Supply
31 Solenoid 2 Signal
32 4th Clutch/B Cooling Feed
34 4th Clutch/B Cooling Supply
35 PS5
36 Backfill
37 Actuator Feed Limit/Backfill
38 Exhaust
41 Void
42 PCS 5 Signal
43 Auxiliary Line Boost
44 PCS 6 Signal
Fig 13: Control Valve Channel Plate - Control Solenoid Valve Assembly Side
GM1968935Courtesy of GENERAL MOTORS CORP.
Callout Component Name
10 Actuator Feed Limit
11 PS1
12 PCS Line
15 PCS 3 Signal
19 PCS 4 Signal
20 Solenoid 1 Signal
21 PS3
22 PS4
26 PCS 2 Signal
31 Solenoid 2 Signal
35 PS5
38 Exhaust
41 Void
42 PCS 5 Signal
44 PCS 6 Signal
Fig 14: Control Solenoid (w/Body and TCM) Valve Assembly - Control Valve Channel Plate Side
GM1968938Courtesy of GENERAL MOTORS CORP.
Callout Component Name
10 Actuator Feed Limit
11 PS1
12 PCS Line
15 PCS 3 Signal
19 PCS 4 Signal
20 Solenoid 1 Signal
21 PS3
22 PS4
26 PCS 2 Signal
31 Solenoid 2 Signal
35 PS5
41 Void
42 PCS 5 Signal
44 PCS 6 Signal
Fig 15: 2WD Output Housing Extension Assembly - Rear Case Assembly Side
GM1968943Courtesy of GENERAL MOTORS CORP.
Callout Component Name
39 Seal Drainback
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