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
1. Apply silicone sealant to the mating faces as shown.
Dot diameter:
4.0-6.0 mm {0.16-0.23 in}

2. Apply clean engine oil to the new oil seal lip.
3. Install the rear oil seal using the installer as shown.

4. Tighten the rear oil seal bolts in the order as shown.
Tightening torque: 8.0-11.5 N·m {81.6-117.2 kgf·m, 70.9-101.7 in·lbf}

Front oil seal
EngineMazda 6 Service Manual: Cargo compartment light switch inspection
1. Remove the liftgate lower trim. (See LIFTGATE LOWER TRIM
REMOVAL/INSTALLATION)
2. Disconnect the cargo compartment light switch connector.
3. Inspect for continuity between the cargo compartment light switch
terminals using an ohmmeter.
If not as specified, replace the liftgate lock.
...
Mazda 6 Service Manual: Curtain Air Bags
The curtain air bags are mounted in the front and rear window pillars, and the
roof edge along both sides.
When the air bag crash sensors detect a side impact of greater than moderate
force, the curtain air bag inflates quickly and helps to reduce injury mainly to
the rear outboard passenger' ...