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: Electrical parts
Battery cable Before disconnecting connectors or removing electrical parts, disconnect the negative battery cable. Wiring Harness To remove the wiring harness from the clip in the engine room, pry up the hook of the clip using a flathead screwdriver. ...

Mazda 6 Service Manual: Egr valve inspection
Operation Test Carry out the EGR Control Inspection. (See EGR Control System Inspection. If not as specified, perform the further inspection for the EGR valve. Resistance Inspection Note Perform the following test only when directed. 1. Disconnect the negative battery cable. 2. In ...