Mazda CX-9 Grand Touring 2009 Manual page 611

NOTE:
Clean away the old sealant before applying the new sealant.
Install the rear cover within 10 minutes after applying sealant.
Allow the sealant to set at least 30 minutes after installation before filling
the differential with the specified oil.
1. Assemble in the order indicated in the table.
2008 Mazda CX-9 Grand Touring
2008 DRIVELINE/AXLES Differential - Mazda CX-9
could become inoperative. If the rear differential unexpectedly
rotates it could cause injury, therefore do not maintain the rear
differential in a tilted condition. When turning the rear differential,
grasp the rotation handle firmly.