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Ignition System [Mzr 2.5]: Removal & Installation Mazda 6 GJ

Ignition System

SPARK PLUG REMOVAL/INSTALLATION [MZR 2.5]

CAUTION

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

Disconnect the negative battery cable.
Remove the plug hole plate. (See «PLUG HOLE PLATE REMOVAL/INSTALLATION [MZR 2.5]»(ref-581643-S18902301812013101400000) .)
Remove the ignition coils. (See «IGNITION COIL REMOVAL/INSTALLATION [MZR 2.5]»(ref-581649-S23884502992013101400000) .)
Remove the spark plugs using a plug-wrench.
Install in the reverse order of removal. Tightening torque 10-14 N.m {102-142 kgf.cm, 89-123 in.lbf}