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Ignition System (L3): Removal & Installation Mazda 5 I

SPARK PLUG REMOVAL/INSTALLATION [L3]

CAUTIONIf a spark plug that is not as specified is installed, engine performance will be deteriorated. Install only the specified spark plug when replacing.
  1. Remove the battery cover. (See «BATTERY REMOVAL/INSTALLATION [L3]»(ref-244326-S41790335602006092100000) ).
  2. Disconnect the negative battery cable.
  3. Remove the plug hole plate. (See «PLUG HOLE PLATE REMOVAL/INSTALLATION [L3]»(ref-244325-S01662276622006092100000) ).
  4. Remove the ignition coils. (See «IGNITION COIL REMOVAL/INSTALLATION [L3]»(ref-244327-S30878619952006092100000) ).
  5. Remove the spark plugs using a plug-wrench.
  6. Install in the reverse order of removal. Tightening torque 10-14 N.m {1.1-1.4 kgf.m, 8-10 ft.lbf}