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: Technical data
ENGINE
LUBRICATION SYSTEM
Note
The maintenance intervals on scheduled maintenance table (See
SCHEDULED MAINTENANCE TABLE) can only be supported by the use of following
oils.
Recommended engine oil
COOLING SYSTEM
FUEL AND EMISSION CONTROL SYSTEMS
ENGINE ELECTRICAL SYSTEM
...
Mazda 6 Service Manual: Steering gear and linkage inspection
Rack Inspection
1. Inspect the rack for cracking, damage, and tooth wear. Replace it as
necessary.
2. Measure the runout of the rack.
Runout
Near point A: 0.15 mm {0.006 in} max.
Near point B: 0.20 mm {0.008 in} max.
3. If not within the specification, replace the rack.
Tie-rod End ...