Note
Front Drive Belt
Verify that the drive belt auto tensioner indicator mark does not exceeds the limit.

Drive belt
Drive belt replacementMazda 6 Service Manual: Customer Assistance (Puerto Rico)
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Mazda 6 Service Manual: Rear oil seal
REAR OIL SEAL REPLACEMENT
1. Remove the flywheel. (MTX) (See CLUTCH UNIT REMOVAL/INSTALLATION)
2. Remove the drive plate. (ATX) (See DRIVE PLATE REMOVAL/INSTALLATION)
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
Rear Oil Seal Installation Note
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