Page 2897 of 5127
Fig. 335: O-Ring & Direct Clutch Piston
Courtesy of GENERAL MOTORS CORP.
10. Usin
g a small screwdriver, remove the O-ring (1) from the direct clutch piston.
2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
Microsoft
Thursday, July 16, 2009 1:17:28 PMPage 348 © 2005 Mitchell Repair Information Company, LLC.
Page 2898 of 5127
Fig. 336: O-Ring & Input Shaft
Courtesy of GENERAL MOTORS CORP.
11. Remove the O-ring (1) from the input shaft.
2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
Microsoft
Thursday, July 16, 2009 1:17:28 PMPage 349 © 2005 Mitchell Repair Information Company, LLC.
Page 2899 of 5127
Fig. 337: Seal Rings & Input Shaft
Courtesy of GENERAL MOTORS CORP.
12. Remove the 2 seal rings (1) from the input shaft.
DIRECT CLUTCH INSPECTION
IMPORTANT: Do not expand the ring ends excessively.
2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
Microsoft
Thursday, July 16, 2009 1:17:28 PMPage 350 © 2005 Mitchell Repair Information Company, LLC.
Page 2900 of 5127
Fig. 338: Checking The Sliding Surface Of Disc, Plate & Flange For Damage
Courtesy of GENERAL MOTORS CORP.
1. Check to see if the sliding surface of the disc, plate, and flange are worn or burnt. If necessary, replace
them.
If the lining of the disc is peeling off or discolored, or even if a part of the printed number is
defaced, replace all discs.
CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.
2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
Microsoft
Thursday, July 16, 2009 1:17:29 PMPage 351 © 2005 Mitchell Repair Information Company, LLC.
Page 2901 of 5127
Before assembling new discs, soak them in ATF for at least 15 minutes.
Fig. 339: Measuring The Free Length Of Direct Clutch Return Spring Using Vernier Calipers
Courtesy of GENERAL MOTORS CORP.
2. Using vernier calipers, measure the free length of the direct clutch return spring together with the spring
sheet.
Specifications: Standard free len
gth is 36.04 mm (1.4189 in).
2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
Microsoft
Thursday, July 16, 2009 1:17:29 PMPage 352 © 2005 Mitchell Repair Information Company, LLC.
Page 2902 of 5127
Fig. 340: Applying Low-Pressure Compressed Air To Direct Clutch Piston
Courtesy of GENERAL MOTORS CORP.
3. Check that the check ball is free by shaking the direct clutch piston.
4. Check that the valve does not leak by applying low-pressure compressed air.
DIRECT CLUTCH ASSEMBLY ASSEMBLE
Tools Required
DT 46451 (DW240-020) Brake/Clutch Spring Compressor. See Special Tools.
DT 46453 (DW240-040) Direct Clutch Adapter. See Special Tools.
2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
Microsoft
Thursday, July 16, 2009 1:17:29 PMPage 353 © 2005 Mitchell Repair Information Company, LLC.
Page 2903 of 5127
Fig. 341: Seal Rings & Input Shaft
Courtesy of GENERAL MOTORS CORP.
1. Install the 2 seal rin
gs (1) to the input shaft.
IMPORTANT: Do not expand the ring ends excessively.
2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
Microsoft
Thursday, July 16, 2009 1:17:29 PMPage 354 © 2005 Mitchell Repair Information Company, LLC.
Page 2904 of 5127
Fig. 342: O-Ring & Input Shaft
Courtesy of GENERAL MOTORS CORP.
2. Coat a new O-ring (1) with automatic transmission fluid (ATF) and install the O-ring to the input shaft.
2006 Chevrolet Aveo
2006 TRANSMISSION Automatic Transaxle - Aisin (81-40LE) - Introduction (2 Of 2) - Aveo
Microsoft
Thursday, July 16, 2009 1:17:29 PMPage 355 © 2005 Mitchell Repair Information Company, LLC.