Fluid Passages. Chevrolet Impala 2002

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2002 🢒 Impala 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Fluid Passages

Figure 1:

Oil Pump Cover Fluid Passages (Oil Pump Body Side)


(2)	Line
(17)	Decrease
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void

Figure 2:

Oil Pump Body Fluid Passages (Oil Pump Cover Side)


(1)	Suction
(2)	Line
(2)	Line
(17)	Decrease
(42)	Exhaust
(43)	Casting Void

Figure 3:

Oil Pump Body Fluid Passages (Control Valve Body Side)


(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(17)	Decrease
(42)	Exhaust

Figure 4:

Control Valve Body Fluid Passages (Oil Pump Body Side)


(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(13)	TCC Release
(13)	TCC Release
(13)	TCC Release
(17)	Decrease
(18)	D4
(18)	D4
(18)	D4
(19)	Forward Servo
(19)	Forward Servo
(29)	3rd
(35)	D3
(36)	D2
(38)	Lo
(40)	Reverse
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust

Figure 5:

Control Valve Body Fluid Passages (Case Cover Side)


(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(3)	PRN
(4)	2-3 Signal
(4)	2-3 Signal
(5)	1-2, 3-4 Signal
(5)	1-2, 3-4 Signal
(6)	Input Clutch Feed
(6)	Input Clutch Feed
(7)	Input Clutch
(7)	Input Clutch
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(9)	TCC Signal (PWM)
(9)	TCC Signal (PWM)
(10)	Actuator Feed
(10)	Actuator Feed
(10)	Actuator Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(12)	TCC Regulated Apply
(12)	TCC Regulated Apply
(13)	TCC Release
(13)	TCC Release
(13)	TCC Release
(14)	TCC Apply
(14)	TCC Apply
(14)	TCC Apply
(15)	Cooler
(15)	Cooler
(17)	Decrease
(18)	D4
(18)	D4
(18)	D4
(18)	D4
(18)	D4
(18)	D4
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(20)	Lo/1st Gear
(20)	Lo/1st Gear
(21)	Auxiliary Input Clutch Feed
(22)	1-2 Accumulator
(22)	1-2 Accumulator
(22)	1-2 Accumulator
(23)	2-3 Accumulator
(23)	2-3 Accumulator
(23)	2-3 Accumulator
(24)	3-4 Accumulator
(24)	3-4 Accumulator
(24)	3-4 Accumulator
(25)	2nd
(25)	2nd
(25)	2nd
(25)	2nd
(27)	2nd Clutch
(27)	2nd Clutch
(28)	2-3 Off Signal
(28)	2-3 Off Signal
(28)	2-3 Off Signal
(28)	2-3 Off Signal
(28)	2-3 Off Signal
(29)	3rd
(29)	3rd
(29)	3rd
(29)	3rd
(29)	3rd
(29)	3rd
(31)	3rd Clutch
(31)	3rd Clutch
(31)	3rd Clutch
(33)	4th Clutch
(35)	D3
(36)	D2
(36)	D2
(36)	D2
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(38)	Lo
(38)	Lo
(39)	Lo-1st
(39)	Lo-1st
(39)	Lo-1st
(39)	Lo-1st
(40)	Reverse
(40)	Reverse
(41)	Reverse Servo
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(#5)	Ball Check Valve
(#6)	Ball Check Valve
(#7)	Ball Check Valve
(#8)	Ball Check Valve
(#9)	Ball Check Valve
(#10)	Ball Check Valve

Figure 6:

Control Valve Body to Spacer Plate Gasket Fluid Passages


(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2/8)	Line/Torque Signal
(2/11)	Line/Converter Feed
(2/22)	Line/1-2 Accumulator
(2/23)	Line/2-3 Accumulator
(3)	PRN
(5)	1-2, 3-4 Signal
(6)	Input Clutch Feed
(6)	Input Clutch Feed
(7)	Input Clutch
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(9)	TCC Signal (PWM)
(9)	TCC Signal (PWM)
(10)	Actuator Feed
(10)	Actuator Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(12)	TCC Regulated Apply
(12)	TCC Regulated Apply
(13)	TCC Release
(13)	TCC Release
(14)	TCC Apply
(14)	TCC Apply
(14)	TCC Apply
(15)	Cooler
(18)	D4
(18)	D4
(18)	D4
(18)	D4
(18)	D4
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(20)	Lo/1st Gear
(20)	Lo/1st Gear
(22)	1-2 Accumulator
(22)	1-2 Accumulator
(23)	2-3 Accumulator
(23)	2-3 Accumulator
(23)	2-3 Accumulator
(24)	3-4 Accumulator
(24)	3-4 Accumulator
(24)	3-4 Accumulator
(25)	2nd
(25)	2nd
(25)	2nd
(25)	2nd
(26)	2nd Exhaust
(27)	2nd Clutch
(29)	3rd
(29)	3rd
(29)	3rd
(29)	3rd
(29)	3rd
(29)	3rd
(29)	3rd
(31)	3rd Clutch
(31)	3rd Clutch
(31)	3rd Clutch
(31)	3rd Clutch
(33)	4th Clutch
(34)	4th Clutch Exhaust
(35)	D3
(36)	D2
(36)	D2
(36)	D2
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(38)	Lo
(38)	Lo
(38)	Lo
(39)	Lo-1st
(39)	Lo-1st
(40)	Reverse
(40)	Reverse
(40)	Reverse
(41)	Reverse Servo
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(368)	Spacer Plate and Gaskets/Control Valve Body Bolt
(368)	Spacer Plate and Gaskets/Control Valve Body Bolt
(382)	TCC Solenoid Valve Screen/Seal Assembly
(382)	TCC Solenoid Valve Screen/Seal Assembly

Figure 7:

Spacer Plate Fluid Passages


(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2/4)	Line/2-3 Signal
(2/11)	Line/Converter Feed
(3)	PRN
(6)	Input Clutch Feed
(6)	Input Clutch Feed
(7)	Input Clutch
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(9)	TCC Signal (PWM)
(9)	TCC Signal (PWM)
(10)	Actuator Feed
(10)	Actuator Feed
(10/5)	Actuator Feed/1-2, 3-4 Signal
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(12)	TCC Regulated Apply
(12)	TCC Regulated Apply
(13)	TCC Release
(13)	TCC Release
(14)	TCC Apply
(14)	TCC Apply
(14)	TCC Apply
(15)	Cooler
(16/2)	Lube/Line
(18)	D4
(18)	D4
(18)	D4
(18)	D4
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(19/18)	Forward Servo/D4
(19/18)	Forward Servo/D4
(20)	Lo/1st Gear
(20)	Lo/1st Gear
(20/2)	Lo/1st Gear/Line
(22)	1-2 Accumulator
(22)	1-2 Accumulator
(23)	2-3 Accumulator
(23)	2-3 Accumulator
(23)	2-3 Accumulator
(24)	3-4 Accumulator
(24)	3-4 Accumulator
(24)	3-4 Accumulator
(25)	2nd
(25)	2nd
(25)	2nd
(25)	2nd
(25)	2nd
(26)	2nd Exhaust
(27)	2nd Clutch
(29)	3rd
(29)	3rd
(29)	3rd
(29)	3rd
(29)	3rd
(29/31)	3rd/3rd Clutch
(29/31)	3rd/3rd Clutch
(31)	3rd Clutch
(31)	3rd Clutch
(31)	3rd Clutch
(31/32)	3rd Clutch/3rd Clutch/Lo-1st
(33)	4th Clutch
(34)	4th Clutch Exhaust
(35)	D3
(35/29)	D3/3rd
(36)	D2
(36)	D2
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(37/36)	Manual 2-1 Servo/D2
(38)	Lo
(38)	Lo
(39)	Lo-1st
(39)	Lo-1st
(39/38)	Lo-1st/Lo
(40)	Reverse
(41)	Reverse Servo
(41/40)	Reverse Servo/Reverse
(41/40)	Reverse Servo/Reverse
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(43/2)	Casting Void/Line
(368)	Spacer Plate and Gaskets/Control Valve Body Bolt Hole
(368)	Spacer Plate and Gaskets/Control Valve Body Bolt Hole
(382)	TCC Solenoid Valve Screen/Seal Assembly
(382)	TCC Solenoid Valve Screen/Seal Assembly

Figure 8:

Spacer Plate to Case Cover Gasket Fluid Passages


(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2/11)	Line/Converter Feed
(3)	PRN
(4)	2-3 Signal
(6)	Input Clutch Feed
(6)	Input Clutch Feed
(7)	Input Clutch
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(9)	TCC Signal (PWM)
(9)	TCC Signal (PWM)
(10)	Actuator Feed
(10)	Actuator Feed
(10)	Actuator Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(12)	TCC Regulated Apply
(12)	TCC Regulated Apply
(13)	TCC Release
(13)	TCC Release
(14)	TCC Apply
(14)	TCC Apply
(14)	TCC Apply
(15)	Cooler
(16)	Lube
(18)	D4
(18)	D4
(18)	D4
(18)	D4
(18)	D4
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(20)	Lo/1st Gear
(20)	Lo/1st Gear
(22)	1-2 Accumulator
(22)	1-2 Accumulator
(23)	2-3 Accumulator
(23)	2-3 Accumulator
(23)	2-3 Accumulator
(24)	3-4 Accumulator
(24)	3-4 Accumulator
(24)	3-4 Accumulator
(25)	2nd
(25)	2nd
(25)	2nd
(25)	2nd
(26)	2nd Exhaust
(27)	2nd Clutch
(29)	3rd
(29)	3rd
(29)	3rd
(29)	3rd
(30)	3rd/Exhaust
(32)	3rd Clutch/Lo-1st
(31)	3rd Clutch
(31)	3rd Clutch
(31)	3rd Clutch
(31)	3rd Clutch
(33)	4th Clutch
(34)	4th Clutch Exhaust
(35)	D3
(35)	D3
(36)	D2
(36)	D2
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(38)	Lo
(38)	Lo
(39)	Lo-1st
(39)	Lo-1st
(39)	Lo-1st
(40)	Reverse
(41)	Reverse Servo
(41)	Reverse Servo
(41)	Reverse Servo
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(43)	Casting Void
(368)	Spacer Plate and Gaskets/Control Valve Body Bolt
(382)	TCC Solenoid Valve Screen/Seal Assembly
(382)	TCC Solenoid Valve Screen/Seal Assembly

Figure 9:

Case Cover Fluid Passages (Control Valve Body Side)


(1)	Suction
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(2)	Line
(3)	PRN
(3)	PRN
(3)	PRN
(6)	Input Clutch Feed
(7)	Input Clutch
(7)	Input Clutch
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(8)	Torque Signal
(9)	TCC Signal (PWM)
(10)	Actuator Feed
(10)	Actuator Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(11)	Converter Feed
(12)	TCC Regulated Apply
(13)	TCC Release
(13)	TCC Release
(13/14)	TCC Release/TCC Apply
(14)	TCC Apply
(14)	TCC Apply
(15)	Cooler
(16)	Lube
(18)	D4
(18)	D4
(18)	D4
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(20)	Lo/1st Gear
(20)	Lo/1st Gear
(22)	1-2 Accumulator
(22)	1-2 Accumulator
(23)	2-3 Accumulator
(23)	2-3 Accumulator
(24)	3-4 Accumulator
(24)	3-4 Accumulator
(25)	2nd
(25)	2nd
(25)	2nd
(25)	2nd
(27)	2nd Clutch
(27)	2nd Clutch
(29)	3rd
(29)	3rd
(29)	3rd
(29)	3rd
(31)	3rd Clutch
(31)	3rd Clutch
(32)	3rd Clutch/Lo-1st
(33)	4th Clutch
(33)	4th Clutch
(35)	D3
(35)	D3
(35)	D3
(36)	D2
(36)	D2
(36)	D2
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(38)	Lo
(38)	Lo
(39)	Lo-1st
(39)	Lo-1st
(39)	Lo-1st
(39)	Lo-1st
(39)	Lo-1st
(40)	Reverse
(41)	Reverse Servo
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(43)	Casting Void
(#1)	Ball Check Valve
(#2)	Ball Check Valve
(#3)	Ball Check Valve
(#4)	Ball Check Valve

Figure 10:

Case Cover Fluid Passages (Case Side)


(1)	Suction
(1)	Suction
(2)	Line
(2)	Line
(3)	PRN
(3)	PRN
(7)	Input Clutch
(10)	Actuator Feed
(13)	TCC Release
(15)	Cooler
(15)	Cooler
(16)	Lube
(16)	Lube
(19)	Forward Servo
(22)	1-2 Accumulator
(23)	2-3 Accumulator
(24)	3-4 Accumulator
(27)	2nd Clutch
(27)	2nd Clutch
(31)	3rd Clutch
(32)	3rd Clutch/Lo-1st
(33)	4th Clutch
(33)	4th Clutch
(35)	D3
(37)	Manual 2-1 Servo
(38)	Lo
(41)	Reverse Servo
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(42)	Exhaust
(43)	Casting Void
(412)	Orificed Cup Plug

Figure 11:

Driven Sprocket Support Fluid Passages


(7)	Input Clutch
(7)	Input Clutch
(7)	Input Clutch
(7)	Input Clutch
(16)	Lube
(16)	Lube
(16)	Lube
(16)	Lube
(16)	Lube
(16)	Lube
(27)	2nd Clutch
(27)	2nd Clutch
(27)	2nd Clutch
(32)	3rd Clutch/Lo-1st
(32)	3rd Clutch/Lo-1st
(32)	3rd Clutch/Lo-1st
(32)	3rd Clutch/Lo-1st
(33)	4th Clutch
(33)	4th Clutch

Figure 12:

Oil Pump Drive Shaft and Drive Sprocket Support Fluid Passages


(1)	Steel Sleeve
(2)	TCC Apply Passage
(2)	TCC Apply Passage
(3)	Converter Seal Drainback Passage
(4)	TCC Release Passage
(4)	TCC Release Passage
(227)	Oil Pump Drive Shaft Assembly
(513)	Turbine Shaft Oil Seal Ring
(515)	Drive Sprocket Retaining Ring
(516)	Drive Sprocket
(517)	Drive Sprocket Thrust Washer
(518)	Turbine Shaft
(519)	Turbine Shaft Oil Seal Ring
(520)	Turbine Shaft O-Ring Seal
(521)	Drive Sprocket Bearing Assembly
(522)	Drive Sprocket Support
(523)	Drive Sprocket Support Bushing
(527)	Vehicle Speed Sensor Reluctor Wheel Assembly

Figure 13:

Case Fluid Passages (Case Cover Side)


(1)	Suction
(1)	Suction
(2)	Line
(3)	PRN
(10)	Actuator Feed
(13)	TCC Release
(15)	Cooler
(19)	Forward Servo
(22)	1-2 Accumulator
(23)	2-3 Accumulator
(27)	2nd Clutch
(31)	3rd Clutch
(35)	D3
(37)	Manual 2-1 Servo
(38)	Lo
(41)	Reverse Servo
(42)	Exhaust
(43)	Casting Void
(43)	Casting Void
(44)	Vent
(45)	Thermo Element Exhaust
(45)	Thermo Element Exhaust

Figure 14:

Case Fluid Passages (Bottom)


(1)	Suction
(16)	Lube
(16)	Lube
(19)	Forward Servo
(19)	Forward Servo
(22)	1-2 Accumulator
(23)	2-3 Accumulator
(27)	2nd Clutch
(31)	3rd Clutch
(37)	Manual 2-1 Servo
(43)	Casting Void
(45)	Thermo Element Exhaust

Figure 15:

1-2 and 2-3 Accumulator Housing Fluid Passages


(16)	Lube
(16)	Lube
(22)	1-2 Accumulator
(22)	1-2 Accumulator
(23)	2-3 Accumulator
(23)	2-3 Accumulator
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo

Figure 16:

Accumulator Cover Spacer Plate Fluid Passages


(16)	Lube
(16)	Lube
(16)	Lube
(19)	Forward Servo
(22)	1-2 Accumulator
(22)	1-2 Accumulator
(23)	2-3 Accumulator
(23)	2-3 Accumulator
(27)	2nd Clutch
(31)	3rd Clutch
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo

Figure 17:

Accumulator Cover Fluid Passages


(16)	Lube
(16)	Lube
(19)	Forward Servo
(19)	Forward Servo
(19)	Forward Servo
(22)	1-2 Accumulator
(22)	1-2 Accumulator
(23)	2-3 Accumulator
(27)	2nd Clutch
(27)	2nd Clutch
(31)	3rd Clutch
(31)	3rd Clutch
(37)	Manual 2-1 Servo
(37)	Manual 2-1 Servo
(124)	Forward Band Servo Oil Pipe
(125)	Manual 2-1 Band Servo Oil Pipe
(126)	Lube Oil Pipe

Figure 18:

Manual 2-1 Band Servo Cover Fluid Passages


(19)	Forward Servo
(37)	Manual 2-1 Servo
(124)	Forward Band Servo Oil Pipe
(125)	Manual 2-1 Band Servo Oil Pipe