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Home >> Mazda >> 2011 >> RX-8 R3, 1.3 2 >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Spark Plug Removal/Installation

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. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION ).
  2. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [13B-MSP] ).
  3. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [13B-MSP] ).
  4. Disconnect the high-tension leads from the spark plugs. (See HIGH-TENSION LEAD REMOVAL/INSTALLATION ).
  5. Remove the spark plugs using a plug-wrench.
    CAUTION:
    • Install spark plugs marked with white (standard type plug) or orange (hot type plug) paint on the leading side and spark plugs with blue paint on the trailing side.
    NOTE:
    • It is easier to remove some spark plugs from beneath the vehicle.
  6. Install in the reverse order of removal.

    Tightening torque 

    12.8-17.7 N.m {131-180 kgf.cm, 114-156 in.lbf} 

    Fig 1: Identifying Spark Plug Paint Location
    G05981092Courtesy of MAZDA MOTORS CORP.