Mazda CX-9 Grand Touring 2009 Manual page 237

2005-08 TRANSMISSION Automatic Transaxle Overhaul (AW6A-EL) - CX-7, CX-9 & Mazda 6
Fig. 140: Loosening Snap Ring
Courtesy of MAZDA MOTORS CORP.
2. Using a flathead screwdriver, remove the snap ring from the rear planetary ring gear.
3. Remove the ring gear flange from the rear planetary ring gear.
Fig. 141: Removing Snap Ring From Rear Planetary Ring Gear
Courtesy of MAZDA MOTORS CORP.
4. Using a flathead screwdriver and hammer, pry back the crimps locking the washer.
CAUTION:
2008 Mazda CX-9 Grand Touring
If the lockwasher crimps are not completely pried back, the tool
cannot fit over the bolt properly and the bolt cannot be
loosened.