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: Recommendations for Shifting
Upshifting
For normal acceleration, Mazda recommends these shift points:
For cruising, Mazda recommends these shift points:
Downshifting
When you must slow down in heavy traffic or on a steep upgrade,
downshift before the engine starts to overwork. This reduces the chance of stalling
and ...
Mazda 6 Service Manual: Intermittent concern troubleshooting
Vibration Method
1. If malfunction occurs or becomes worse while driving on a rough road or
when engine is vibrating, perform the steps below.
Note
There are several reasons vehicle or engine vibration could cause
an electrical malfunction. Some of the things to check for are:
...