Spark Plug Removal/Installation

WARNING: This page is about a different car, the 2005 Mazda RX-8. 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, sealing performance will be deteriorated. Install only the specified spark plug when replacing.

Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION .)
Remove the battery cover.
Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION .)
Position the high-tension lead out of the way. (spark plug side) (See HIGH-TENSION LEAD REMOVAL/INSTALLATION .)
Remove the spark plugs using a plug-wrench.
CAUTION:
- Install spark plugs marked with white or orange 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.
Fig 1: Install Spark Plugs With Correct Paint Marking
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.
Tightening torque
1. 12.8-17.7 N.m {131-180 kgf.cm, 114-156 in.lbf}