L3
Caution
1. Disconnect the negative battery cable.
2. Remove the plug hole plate.
3. Remove the high-tension lead.
4. Remove the oil control valve connector.
5. Remove the ventilation hose.
6. Remove the cylinder head cover.
7. Confirm that notch of the rotor and bump of the cover at the variable valve timing actuator are aligned and fitted.
Verify that the bump and the notch are aligned.

8. Install the cylinder head cover. (See Cylinder Head Cover Installation Note.)
9. Install the ventilation hose.
10. Install the oil control valve connector.
11. Install the high-tension lead. (See HIGH-TENSION LEAD REMOVAL/INSTALLATION.)
12. Install the spark plugs. (See SPARK PLUG REMOVAL/INSTALLATION.)
13. Installs plug hole plate.
Variable valve timing actuator removal/installationMazda 6 Service Manual: Fuel tank inspection
Caution
Disconnecting/connecting the quick release connector without
cleaning it may possibly cause damage to the fuel pipe and quick release
connector. Always clean the quick release connector joint area before
disconnecting/connecting using a cloth or soft brush, and make sure that it ...
Mazda 6 Service Manual: Driving on Uneven Road
Your vehicle's suspension and underbody can be damaged if driven on rough/uneven
roads or over speed bumps at excessive speeds. Use care and reduce speed when traveling
on rough/uneven roads or over speed bumps.
Use care not to damage the vehicle's underbody, bumpers or muffler(s) when driving ...