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: Front seat disassembly/assembly
Warning Handling the front seat (side air bag) improperly can accidentally deploy the side air bag, which may seriously injure you. Read AIR BAG SYSTEM SERVICE WARNINGS before handling the front seat. (See SERVICE WARNINGS.) 1. Disconnect the negative battery cable and wait for more tha ...

Mazda 6 Service Manual: Instrument cluster inspection
Speedometer Using the input/output check mode Inspect the speedometer by setting it in the input/output check mode DTC 12. Using a speedometer tester 1. Adjust the tire air pressure to the specification. 2. Using a speedometer tester, verify that the speedometer indication is within the allow ...