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 fender panel
FRONT FENDER PANEL REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Remove the front side turn light.
3. Remove the fender molding. (See COWL GRILLE REMOVAL/INSTALLATION.)
4. Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION.)
5. Remove the front combination light ...
Mazda 6 Service Manual: Windshield wiper motor inspection
L.H.D.
1. Disconnect the windshield wiper motor connector.
2. Connect battery positive voltage to terminal E or D and ground to terminal
B, and inspect the operation of the windshield wiper motor as indicated below.
3. Disconnect battery positive voltage from terminal E of the motor while t ...