1. Remove the intake manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Remove the knock sensor attachment bolt to remove the knock sensor.

3. Install in the reverse order of removal.
Tightening torque 16.2-23.8 N·m
{1.66-2.42 kgf·m, 12.0-17.5 ft·lbf}
Knock sensor inspection
Heated oxygen sensor (ho2s) inspectionMazda 6 Service Manual: HomeLink Wireless Control System (Some models)
NOTE
HomeLink and HomeLink house icon are registered trademarks of Gentex Corporation.
The HomeLink system replaces up to 3 hand-held transmitters with a single built-in
component in the auto-dimming mirror. Pressing the HomeLink button on the auto-dimming
mirror activates garage doors, gates ...
Mazda 6 Service Manual: Jam-safe Moonroof
If a person's hands, head or an object blocks the moonroof while it is closing,
the moonroof will stop and move in the reverse direction.
WARNING
Make sure nothing blocks the moonroof just before it reaches the fully closed
position: Blocking the moonroof just before it reaches the closed posi ...