Mazda 6 Service Manual: No.13 knocking/pinging-acceleration/cruise

No.12 lack/loss of power-acceleration/cruise

No.14 poor fuel economy

Other materials:

Mazda 6 Service Manual: General procedures
PRECAUTION (SUSPENSION) Wheels and Tires Removal/Installation When a wheel is installed, tighten it to 88-118 N·m {9.0-12.0 kgf·m, 65.0-87.0 ft·lbf}. Suspension Links Removal/Installation Tighten any part of the suspension that uses rubber bushings only after the vehicle has been lowered ...

Mazda 6 Service Manual: Rear door unit removal/installation
1. Remove the rear door glass. 2. Remove the inner handle. 3. Remove the rear door speaker. 4. Disconnect the power window motor connector, and power door lock actuator connector. 5. Remove the rear door harness from the rear door unit. 6. Remove the bolts. 7. Remove the rear door lock act ...