Spark Plug Removal/Installation [L5]
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
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 [L5] ).
- Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION [L5] ).
- 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}