Mazda 6 Service Manual: Spark plug removal/installation

Mazda 6 Service Manual / Engine electrical system / Ignition system / Spark plug removal/installation

1. Disconnect the negative battery cable.

2. Remove the plug hoie plate.

Lift off and remove the plug hole plate from the installation areas (rubber and clips) as shown in the figure.

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

If the plug hole plate interferes with metal clips and the accelerator cable, the cable could be damaged, so when installing follow the procedure below.

(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

Primary Coil Winding 1. Remove the ignition coil. 2. Measure the resistance between the following lead holes using an ohmmeter. A and B, B and C - If not specified, replace the ignition co ...

Spark plug inspection

Caution Do not inspect, adjust, or clean the plug gap with a wire brush. Doing so can damage the platinum tip. When cleaning a spark plug with a plug clear, clean the plug quickly for less ...

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