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: Caliper (front) disassembly/assembly
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order of removal.
Piston Disassembly Note
Caution
Blow the compressed air slowly to prevent the piston from suddenly
popping out.
1. Place a piece of wood in the caliper, then blow compressed air through ...
Mazda 6 Service Manual: Filament inspection
1. Turn the ignition switch to ON position.
2. Turn the rear window defroster switch on.
Caution
Directly touching the rear window defroster filament with the lead
of the voltmeter will damage it. Wrap aluminum foil around the end of the
lead and test the filament by touching it with the ...