Mazda CX-9 Grand Touring 2009 Manual page 269

2005-08 TRANSMISSION Automatic Transaxle Overhaul (AW6A-EL) - CX-7, CX-9 & Mazda 6
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:
2008 Mazda CX-9 Grand Touring
Do not damage the seal on the piston and O-ring.