
Diagnostic procedure

Dtc b2103
Dtc b2431Mazda 6 Service Manual: Spark plug removal/installation
1. Disconnect the negative battery cable.
2. Remove the plug hoie plate.
Lift off and remove the plug hole plate from the installation areas
(rubber and clips) as shown in the figure.
3. Disconnect the high-tension lead.
4. Remove the spark plugs using the plug-wrench.
5. Install th ...
Mazda 6 Service Manual: Air bleeding
Caution
Maintain the fluid level in the reservoir tank properly while
bleeding the air.
Specified fluid
Note
The brakes should be bled whenever a brake line is disconnected.
If a hydraulic line is disconnected at the master cylinder, start at the
slave cylinder farthest from t ...