Removal and Installation

NOTE: Be sure to note routing of secondary ignition cables. Failure to route cables properly may result in radio interference, ignition cross fire, or ignition short to ground.

REMOVAL
1. Spray compressed air around spark plug to prevent foreign material from entering combustion chamber.
2. Remove spark plug wire by grasping boot and turning 1/2 turn while pulling boot back in a steady motion.
3. Remove spark plug using socket with foam insert.

INSPECTION
Inspect plug for:

1. Cracked or damaged threads or insulator
2. Worn or bent electrodes
3. Damaged gasket
4. Electrode wear or excessive carbon deposits

INSTALLATION
1. Start plug in cylinder head by hand to prevent cross threading.
2. Torque spark plugs to 41 Nm (30 ft-lbs).
3. Install secondary ignition cables on spark plugs, (be sure connectors are pushed onto plug completely).