Mazda 6 Service Manual: No.5 engine stalls-after start/at idle

No.4 hard to start/long crank/erratic start/erratic crank

No.6 cranks normally but will not start

Other materials:

Mazda 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: Rear oil seal
REAR OIL SEAL REPLACEMENT 1. Remove the flywheel. (MTX) (See CLUTCH UNIT REMOVAL/INSTALLATION) 2. Remove the drive plate. (ATX) (See DRIVE PLATE REMOVAL/INSTALLATION) 3. Remove in the order indicated in the table. 4. Install in the reverse order of removal. Rear Oil Seal Installation Note ...