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: System wiring diagram
ABS (ABS/TCS) DSC FOREWORD Before performing the steps in Symptom Troubleshooting, perform the On-board Diagnostic Inspection. To check the DTC, follow the DTC Inspection steps. ...

Mazda 6 Service Manual: General procedures
PRECAUTION (BRAKES) Wheels and Tires Removal/Installation 1. The removal and installation procedures for the wheels and tires are not mentioned in this section. When a wheel is removed, tighten it to 88-118 N·m {9.0-12.0 kgf·m, 65.0-87.0 ft·lbf}. Brake Lines Disconnection/Connection Cautio ...