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Home >> Mazda >> 2012 >> 6 i Touring Plus >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System [MZR 2.5] >> Spark Plug Removal/Installation
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Spark Plug Removal/Installation

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.
  1. Disconnect the negative battery cable.
  2. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  3. Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION .)
  4. Remove the spark plugs using a plug-wrench.
  5. Install in the reverse order of removal.

    Tightening torque 

    • 10-14 N.m {102-142 kgf.cm, 89-123 in.lbf}