Mazda CX-9 Grand Touring. Manual — part 68

Fig. 196: Applying Compressed Air Into Oil Passage Of Transaxle Case
Courtesy of MAZDA MOTORS CORP.

4. Remove the O-rings from the low and reverse brake piston.

Fig. 197: Identifying O-Rings Of Low And Reverse Brake Piston
Courtesy of MAZDA MOTORS CORP.

Low and Reverse Brake Piston Assembly Note

1. Apply ATF to the new O-rings.

2. Install the O-ring to the low and reverse brake piston.

3. Apply ATF to the sliding surface of the transaxle case.

CAUTION:



Do not damage the seal on the piston and O-ring.

2008 Mazda CX-9 Grand Touring

2005-08 TRANSMISSION Automatic Transaxle Overhaul (AW6A-EL) - CX-7, CX-9 & Mazda 6

Microsoft

Sunday, November 15, 2009 10:28:17 AM

Page 106

© 2005 Mitchell Repair Information Company, LLC.

Fig. 198: Identifying O-Rings Of Low And Reverse Brake Piston
Courtesy of MAZDA MOTORS CORP.

4. Install the low and reverse brake piston to the transaxle case.

Fig. 199: Identifying Low And Reverse Brake Piston Of Transaxle Case
Courtesy of MAZDA MOTORS CORP.

Low and Reverse Brake Return Spring Assembly Note

1. Install the low and reverse brake return spring to the transaxle case.

Fig. 200: Identifying Low And Reverse Brake Return Spring
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2005-08 TRANSMISSION Automatic Transaxle Overhaul (AW6A-EL) - CX-7, CX-9 & Mazda 6

Microsoft

Sunday, November 15, 2009 10:28:17 AM

Page 107

© 2005 Mitchell Repair Information Company, LLC.

2. Using the SST , press the return spring into the position where the snap ring groove is visible.

Fig. 201: Pressing Return Spring Into Position
Courtesy of MAZDA MOTORS CORP.

3. Using a flathead screwdriver, install the snap ring in the groove.

Fig. 202: Installing Snap Ring In Groove
Courtesy of MAZDA MOTORS CORP.

TRANSAXLE CASE AND B2 BRAKE INSPECTION

1. Using a dial indicator, inspect the transaxle case bushing.

Transaxle case bushing inner diameter

Standard: 21.932 - 21.953 mm {0.86347 - 0.86429 in}



If it exceeds the specification, replace the transaxle case with a new one.

CAUTION:



When installing the snap ring, set the end gap of the snap ring
as shown in the figure.

NOTE:



Measure at different places and take an average.

2008 Mazda CX-9 Grand Touring

2005-08 TRANSMISSION Automatic Transaxle Overhaul (AW6A-EL) - CX-7, CX-9 & Mazda 6

Microsoft

Sunday, November 15, 2009 10:28:17 AM

Page 108

© 2005 Mitchell Repair Information Company, LLC.



When the transaxle case is replaced, inspect the contact surface of the intermediate shaft bushing.

Fig. 203: Inspecting Transaxle Case Bushing
Courtesy of MAZDA MOTORS CORP.



If the surface is scratched or has changed color, replace the intermediate shaft with a new one.

2. Inspect the lining of all drive plates.



If the lining is flaking or has changed color, or if it is worn or the print mark is wearing away,
replace with a new drive plate. When replacing, inspect the contact surfaces between the retaining
plate, driven plate and drive plate. If they are scratched or have changed color, replace with new
parts.

Fig. 204: Inspecting Lining Of All Drive Plates
Courtesy of MAZDA MOTORS CORP.

3. Using vernier calipers, measure the free length of the piston return spring.

B2 brake return spring free length

Standard: 19.01 mm {0.7485 in}



If it is less than the specification, replace the piston return spring with a new one.

NOTE:



Before replacing with new drive plates, soak them at least 2 h in ATF.

2008 Mazda CX-9 Grand Touring

2005-08 TRANSMISSION Automatic Transaxle Overhaul (AW6A-EL) - CX-7, CX-9 & Mazda 6

Microsoft

Sunday, November 15, 2009 10:28:17 AM

Page 109

© 2005 Mitchell Repair Information Company, LLC.