mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Transmission Control Systems > < Spark Plug|Gap|Page 3130
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Spark Plug: Service and Repair

SPARK PLUG REMOVAL/INSTALLATION [MZI-3.7]

CAUTION:

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If a spark plug that is not as specified is installed, engine performance will be deteriorated. Install only the specified spark plug when replacing.

1. Disconnect the negative battery cable.

2. Remove the engine cover.  See: Engine, Cooling and Exhaust/Engine/Service and Repair/Removal and Replacement/Engine Cover

Removal/Installation

3. Remove the dynamic chamber.  See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair

4. Remove the ignition coils.  See: Ignition Coil/Service and Repair

5. Remove the spark plugs using a plug-wrench.

CAUTION:

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Apply small amount of the specified dielectric grease to the inside of the ignition coils, then install the ignition coils to the spark plugs.

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Specified grease: Motorcraft XG-3A

6. Install in the reverse order of removal. 

Tightening torque

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9-20 Nm {92-203 kgf-cm, 80-177 in-lbf}

Transmission Control Systems > < Spark Plug|Gap|Page 3130