1. Verify that the joint shaft is not twisted or cracked.
2. Turn the joint shaft by hand and verify that the bearing rotates smoothly and freely.

Drive shaft
Joint shaft removal/installationMazda 6 Service Manual: Front door removal/installation
1. Disconnect the negative battery cable.
2. To remove the front door hinge, remove the front fender panel.
3. To remove the checker, remove the door speaker.
4. Remove in the order indicated in the table.
5. Install in the reverse order of removal.
6. Adjust the front door. (See DOOR ADJUS ...
Mazda 6 Service Manual: System Operation
Make sure that the Lane-keep Assist System (LAS) & Lane Departure Warning System
(LDWS) OFF indicator light in the instrument cluster is turned off. When the Lane-keep
Assist System (LAS) & Lane Departure Warning System (LDWS) OFF indicator light is
turned on, press the switch and make ...