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: Schedule 1
U.S.A. and Puerto Rico residents - Engine oil flexible maintenance interval Use when the maintenance monitor for “Oil Change” is set to “Flexible”. For details, see maintenance monitor. Chart symbols: I: Inspect: Inspect and clean, repair, adjust, fill up, or replace if necessary. T: ...

Mazda 6 Service Manual: Underbody Maintenance
Road chemicals and salt used for ice and snow removal and solvents used for dust control may collect on the underbody. If not removed, they will speed up rusting and deterioration of such underbody parts as fuel lines, frame, floor pan, and exhaust system, even though these parts may be coated ...