1. Disconnect the negative battery cable.
2. Remove the plug hoie plate.

3. Disconnect the high-tension lead.

4. Remove the spark plugs using the plug-wrench.
5. Install the spark plugs using a plug-wrench.
Tightening torque: 10-24 N·m {1.1-2.4kgf·m, 8-17ft·lbf}
6. Install the plug hole plate.
Caution
(1) To position the plug hole plate, grasp the rubber 1 and 2, as shown in the figure, with your hands and press them in.
(2) Route the accelerator cable more towards the center of the plug hole plate underside to avoid the rib area as shown in the figure.
(3) Grasp rubber 3 with your hand and press it in.
(4) Grasp clips 4 and 5 with your hands and press them in.
7. Connect the negative battery cable.


Ignition coil inspection
Spark plug inspectionMazda 6 Service Manual: Liftgate adjustment
1. Measure the gap and height between the liftgate and the body.
2. If not as specified, loosen the liftgate hinge installation bolts or the
liftgate striker installation screws, and reposition the liftgate.
Clearance
a: 3.0-7.0 mm {0.12-0.28 in}
b: -1.0-3.4 mm {-0.04-013 in}
c: 2.8-5.2 mm ...
Mazda 6 Service Manual: Front wheel alignment
Specification (Unloaded)*1
Normal
Elevated*3
*1 : Engine coolant and engine oil are at specified level. Spare tire, jack
and tools are in designated position.
*2 : Difference between left and right must not exceed 1°30'.
*3 : Distance between wheel center and fender brim is 402 mm {15.8 ...