Mazda 6 Service Manual: No.22 vibration concerns (engine)

No.21 engine noise

No.23 a/c does not work sufficiently

Other materials:

Mazda 6 Service Manual: General procedures
PRECAUTION (CLUTCH) Clutch Pipe Removal/Installation Note A common reservoir is used for the clutch and brake system fluid. 1. If clutch pipes have been disconnected any time during the procedure, add clutch fluid (brake fluid), bleed the air, and inspect for leakage after the procedure ...

Mazda 6 Service Manual: Locking, Unlocking with Door- Lock Switch
All doors lock automatically when the lock side is pressed. They unlock when the unlock side is pressed. Driver's door Front passenger's door To lock all the doors from an open front door, press the lock side of the door lock switch and then close the door. NOTE When locking the doors t ...