Warning
Caution
1. Position the vehicle on level ground.
2. Remove the oil filler cap and the oil pan drain plug and oil filter drain.
3. Drain the engine oil into a container.
4. Install the oil filter drain plug with the new O-ring.
Tightening torque (oil filter drain plug): 9-10 N·m {91.8-101.9 kgf·cm, 79.7-88.4 in·lbf}
5. Clean the flange surface (seal rubber) of the oil pan drain plug, then install the oil pan drain plug.
Tightening torque (oil pan drain plug): 25-30 N·m {2.6-3.0 kgf·m, 18.8-21.6 ft·lbf}
Note
6. Refill the engine with the specified type and amount of engine oil.
Oil capacity (Approximate quantity)
L {US qt, Imp qt}

Note
Recommended engine oil

7. Refit the oil filler cap.
8. Run the engine and inspect for oil leakage.
9. Inspect the oil level.
10. Start the engine and inspect for oil leakage.
Engine oil inspection
Oil filterMazda 6 Service Manual: Rear side seat belt removal/installation
Caution
The ELR has a spring that will unwind if the retractor's cover is
removed. The spring cannot be rewound by hand. If this occurs, the ELR will
not work properly. Therefore, do not disassemble the retractor.
4SD
1. Fold the rear seat back.
2. Remove the rear side seats.
3. Remo ...
Mazda 6 Service Manual: Dsc hu/cm inspection
1. Remove the battery and battery bracket.
2. Disconnect the DSC HU/CM connector.
3. Connect the SST (49 G066 004) to the DSC HU/CM connector and
harness side connector.
4. Inspect voltage referring the table below.
Terminal Voltage Table (reference value)
(Ignition switch is at ON, and conne ...