GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Case - Control Valve Body Side (Left)


Object Number: 1898199  Size: MF
(2)Line
(7)Cooler Feed
(9)Regulated Apply
(10)Compensator Feed
(13)PCS Line
(16)R1/456 Clutch Feed
(17)R1
(19)Reverse
(20)35 Reverse Clutch Feed
(21)35 Reverse Clutch
(25)1234 Clutch
(31)26 Clutch
(32)456 Clutch
(33)PCS TCC
(37)Void
Figure 2:

Case - Pump Side (Back)


Object Number: 1898202  Size: MF
(2)Line
(7)Cooler Feed
(8)Lube
(9)Regulated Apply
(10)Compensator Feed
(13)PCS Line
(21)35 Reverse Clutch
(31)26 Clutch
(32)456 Clutch
(33)PCS TCC
(38)Seal Drainback
(39)Vent
Figure 3:

Control Valve Body - Case Side (Left)


Object Number: 1898205  Size: MF
(2)Line
(7)Cooler Feed
(9)Regulated Apply
(10)Compensator Feed
(13)PCS Line
(16)R1/456 Clutch Feed
(17)R1
(19)Reverse
(20)35 Reverse Clutch Feed
(21)35 Reverse Clutch
(23)Drive
(25)1234 Clutch
(27)Drive 1-6
(31)26 Clutch
(32)456 Clutch
(33)PCS TCC
(36)Exhaust
(37)Void
Figure 4:

Control Valve Body - Channel Plate Side (Right - No Valves)


Object Number: 1898210  Size: MF
(2)Line
(9)Regulated Apply
(10)Compensator Feed
(11)Actuator Feed Limit
(12)PS3
(13)PCS Line
(14)PCS R1/456 Clutch
(15)Shift Solenoid
(16)R1/456 Clutch Feed
(17)R1
(18)PCS 35 Reverse Clutch
(19)Reverse
(20)35 Reverse Clutch Feed
(21)35 Reverse Clutch
(22)PCS 1234 Clutch
(23)Drive
(24)PS2
(25)1234 Clutch
(26)1234 Clutch Feedback
(27)Drive 1-6
(28)PS4
(29)CSV2 Latch
(30)PCS 26 Clutch
(31)26 Clutch
(32)456 Clutch
(33)PCS TCC
(34)PS1
(35)Exhaust Backfill
(36)Exhaust
(37)Void
Figure 5:

Pump Body - Pump Cover Side (Front)


Object Number: 1898215  Size: MF
(1)Suction
(2)Line
(4)Converter Feed
(5)TCC Released
(6)TCC Apply
(7)Cooler Feed
(9)Regulated Apply
(13)PCS Line
(33)PCS TCC
(36)Exhaust
(37)Void
(38)Seal Drainback
Figure 6:

Pump Cover - Pump Body Side (Back)


Object Number: 1898220  Size: MF
(1)Suction
(2)Line
(4)Converter Feed
(5)TCC Released
(6)TCC Apply
(7)Cooler Feed
(9)Regulated Apply
(13)PCS Line
(33)PCS TCC
Figure 7:

Spacer Plate (12) - Case Side (Left)


Object Number: 1898233  Size: MF
(2)Line
(7)Cooler Feed
(9)Regulated Apply
(10)Compensator Feed
(13)PCS Line
(16)R1/456 Clutch Feed
(17)R1
(19)Reverse
(20)35 Reverse Clutch Feed
(21)35 Reverse Clutch
(25)1234 Clutch
(31)26 Clutch
(32)456 Clutch
(33)PCS TCC
(36)Exhaust
Figure 8:

Spacer Plate (402) - Channel Plate Side (Right)


Object Number: 1898238  Size: MF
(2)Line
(9)Regulated Apply
(10)Compensator Feed
(11)Actuator Feed Limit
(12)PS3
(13)PCS Line
(14)PCS R1/456 Clutch
(15)Shift Solenoid
(16)R1/456 Clutch Feed
(18)PCS 35 Reverse Clutch
(20)35 Reverse Clutch Feed
(22)PCS 1234 Clutch
(23)Drive
(24)PS2
(26)1234 Clutch Feedback
(27)Drive 1-6
(28)PS4
(29)CSV2 Latch
(30)PCS 26 Clutch
(33)PCS TCC
(34)PS1
(35)Exhaust Backfill
(36)Exhaust
Figure 9:

Torque Converter Clutch Housing - Pump Side (Front)


Object Number: 1898245  Size: MF
(8)Lube
(38)Seal Drainback
Figure 10:

Control Solenoid Valve Assembly with Filter Plate - Channel Plate Side (Front)


Object Number: 1898250  Size: MF
(2)Line
(11)Actuator Feed Limit
(12)PS3
(13)PCS Line
(14)PCS R1/456 Clutch
(15)Shift Solenoid
(18)PCS 35 Reverse Clutch
(22)PCS 1234 Clutch
(24)PS2
(28)PS4
(30)PCS 26 Clutch
(33)PCS TCC
(34)PS1
Figure 11:

Channel Plate - Control Solenoid Valve Assembly Side (Right)


Object Number: 1898261  Size: MF
(2)Line
(11)Actuator Feed Limit
(12)PS3
(13)PCS Line
(14)PCS R1/456 Clutch
(15)Shift Solenoid
(18)PCS 35 Reverse Clutch
(22)PCS 1234 Clutch
(24)PS2
(28)PS4
(30)PCS 26 Clutch
(33)PCS TCC
(34)PS1
(36)Exhaust
(37)Void
Figure 12:

Channel Plate - Control Valve Body Side (Left)


Object Number: 1898263  Size: MF
(2)Line
(9)Regulated Apply
(10)Compensator Feed
(11)Actuator Feed Limit
(12)PS3
(13)PCS Line
(14)PCS R1/456 Clutch
(15)Solenoid
(16)R1/456 Clutch Feed
(18)PCS 35 Reverse Clutch
(20)35 Reverse Clutch Feed
(22)PCS 1234 Clutch
(23)Drive
(24)PS2
(26)1234 Clutch Feedback
(27)Drive 1-6
(28)PS4
(30)PCS 26 Clutch
(33)PCS TCC
(34)PS1
(35)Exhaust Backfill
(36)Exhaust
(37)Void