Mazda 6 Service Manual: No.20 fuel odor (in engine compartment)

No.19 exhaust smoke

No.21 engine noise

Other materials:

Mazda 6 Service Manual: Wheel hub, steering knuckle removal/installation
Caution Performing the following procedures without first removing the ABS wheel-speed sensor may possibly cause an open circuit in the harness if it is pulled by mistake. Before performing the following procedures, remove the ABS wheel-speed sensor (axle side) and fix it to an appropri ...

Mazda 6 Service Manual: Crash zone sensor removal/installation
Warning Handling the crash zone sensor improperly can accidentally deploy the air bag module and pre-tensioner seat belt, which may seriously injure you. Read AIR BAG SYSTEM SERVICE WARNINGS before handling the crash zone sensor. (See SERVICE WARNINGS.) 1. Turn the ignition switch to LO ...