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: Foreword
Outline
The OBD (on-board diagnostic) test inspects the integrity and function
of the air bag system and outputs the results when requested by the specific
tests.
OBD test also:
- Provides a quick inspection of the air bag system.
- Is usually performed at the start of each diagn ...
Mazda 6 Service Manual: Sunroof relay inspection
Note
Sunroof relay is built in the sunroof motor.
1. Remove the headliner. (See HEADLINER REMOVAL/INSTALLATION.)
2. Connect the sunroof switch connector.
3. Measure the voltage at the sunroof relay terminals as indicated below.
4. Disconnect the sunroof relay connector before inspecting fo ...