MODELS
- 2016-2019 CX-3
- 2013-2019 CX-5
- 2016-2019 CX-9
- 2016-2019 MX-5
- 2014-2019 Mazda3
- 2014-2019 Mazda6
CONDITION
Some vehicles may exhibit oil leakage from the drive belt auto tensioner and rattling noises from the engine compartment. This may be caused by insufficient sealing at the drive belt auto tensioner damper when the auto tensioner fully operates under both high ambient temperature and high load conditions. To eliminate this concern, the shape of the drive belt auto tensioner damper has been changed. Customers having this concern should have their vehicle repaired using the following repair procedure.
REPAIR PROCEDURE
1. Verify the customer concern.
2. Inspect the drive belt auto-tensioner. Is it part number PE01-15-980 or PE03-15-980* according to the GEPC?
1. If no, this service bulletin is not applicable to the subject vehicle.
2. If yes, replace the drive belt auto tensioner with a modified part according to the instructions on MGSSonline:
- CX-3: (DRIVE BELT AUTO TENSIONER REMOVAL/INSTALLATION [SKYACTIV-G 2.0])
- CX-5: (DRIVE BELT AUTO TENSIONER REMOVAL/INSTALLATION [SKYACTIV-G 2.5T])
- CX-5: (DRIVE BELT AUTO TENSIONER REMOVAL/INSTALLATION [SKYACTIV-G 2.5 (WITHCYLINDER DEACTIVATION)])
- CX-5: (DRIVE BELT AUTO TENSIONER REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT CYLINDER DEACTIVATION)])
- CX-9: (DRIVE BELT AUTO TENSIONER REMOVAL/INSTALLATION [SKYACTIV-G 2.5T])
- MX-5: (DRIVE BELT AUTO TENSIONER REMOVAL/INSTALLATION [SKYACTIV-G 2.0])
- Mazda3: (DRIVE BELT AUTO TENSIONER REMOVAL/INSTALLATION [SKYACTIV-G (WITHCYLINDER DEACTIVATION (US))])
- Mazda3: (DRIVE BELT AUTO TENSIONER REMOVAL/INSTALLATION [SKYACTIV-G (WITHOUTCYLINDER DEACTIVATION (US))])
- Mazda6: (DRIVE BELT AUTO TENSIONER REMOVALINSTALLATION [SKYACTIV-G 2.5T])
- Mazda6: (DRIVE BELT AUTO TENSIONER INSPECTION [SKYACTIV-G 2.5 (WITHOUT CYLINDERDEACTIVATION)])
- Mazda6: (DRIVE BELT AUTO TENSIONER REMOVALINSTALLATION [SKYACTIV-G 2.5 (WITHCYLINDER DEACTIVATION)])
3. Verify the repair.
PARTS IDENTIFICATION INFORMATION
The new modified drive belt auto tensioner can be identified by serial number F569897.13. The last two digits of the serial are different between the old and new parts.
