clutch CHEVROLET AVEO 2002 Service Repair Manual

Transmission Range Reference
Clutch and BrakeOperation
C1Forward Clutch
Connects the intermediate shaft and the front
sun gear.
C2Direct ClutchConnects the input shaft and the planetary
carrier.
C3Reverse ClutchConnects the intermediate shaft and the rear
sun gear.
B1O/D and 2nd BrakeLock rear sun gear
B22nd BrakeLock rear sun gear
B31st and Reverse BrakeLock planetary carrier
F11-Way Clutch No. 1Lock counterclockwise rotation of the rear sun
gear, when B2 operations
F21-Way Clutch No. 2Lock counterclockwise rotation of the
planetary carrier
PositionSolenoidClutchBrakeOne-Way
Clutch
Shift 1Shift 2TimingC1C2C3B1B2B3F1F2
PONONOFFOFFOFFOFFOFFOFFOFFOFFOFF
R
V less
than 9
km/h (5
mph)
ONONOFFOFFOFFONOFFOFFONOFFOFF
V
greater
than or
equal to
9 km/h
(5 mph)
ONONONOFFOFFOFFOFFOFFOFFOFFOFF
NONONOFFOFFOFFOFFOFFOFFOFFOFFOFF
D
1stONONOFFONOFFOFFOFFOFFOFFOFFON
2ndONOFFOFFONOFFOFFOFFONOFFONOFF
3rdOFFOFFOFFONONOFFOFFONOFFOFFOFF
3-4OFFONON-
OFFON-
OFFONOFFOFF-
ONONOFFOFFOFF
4thOFFONOFFOFFONOFFONONOFFOFFOFF
2
1stONONOFFONOFFOFFOFFOFFOFFOFFON
2ndONOFFOFFONOFFOFFONONOFFONOFF
3rdOFFOFFOFFONONOFFOFFONOFFOFFOFF
11stONONOFFONOFFOFFOFFOFFONOFFON
2ndONOFFOFFONOFFOFFONONOFFONOFF

2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
Microsoft
Thursday, July 16, 2009 1:17:34 PMPage 469 © 2005 Mitchell Repair Information Company, LLC.

Fig. 452: Shift Solenoid No 1, 2 (SS1, SS2)
Courtesy of GENERAL MOTORS CORP.
Timing Solenoid
The timing solenoid (1) is installed directly in the valve body. The solenoid operates of ON/OFF by the control
signal from TCM. The solenoid change timing valve of inside the valve body, operate hydraulic control with
appl
y and drain of forward clutch.

2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
Microsoft
Thursday, July 16, 2009 1:17:34 PMPage 473 © 2005 Mitchell Repair Information Company, LLC.

Fig. 456: Transmission Fluid Temperature (TFT) Sensor
Courtesy of GENERAL MOTORS CORP.
Input Shaft Speed (ISS) Sensor
The ISS sensor (1) is located on the upper position of the transaxle and detects A/T input speed from the
rotation number of the direct clutch drum. They transmit to TCM as a signal.

2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
Microsoft
Thursday, July 16, 2009 1:17:34 PMPage 477 © 2005 Mitchell Repair Information Company, LLC.

DT 46450 (DW 240-010)
Auto Transaxle Pressure Gage Set
DT 46451 (DW 240-020)
Brake/Clutch Spring Compressor
DT 46452 (DW 240-030)
Forward Clutch Adapter
DT 46453 (DW 240-040)
Direct Clutch Adapter

2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
Microsoft
Thursday, July 16, 2009 1:17:34 PMPage 480 © 2005 Mitchell Repair Information Company, LLC.