Spark Plug: Service and Repair

TOOL REQUIRED:
J 38757 Spark Plug Bore Corrosion Remover

REMOVE OR DISCONNECT
1. Ignition key "OFF."
2. Air cleaner assembly.
3. Spark plug wire boots from plugs.

IMPORTANT
^ Some vehicles will require the use of a spark plug bore corrosion remover tool J 38757. This will allow dirt and corrosion to be removed from around the spark plug for tool clearance. Use safety glasses when using compressed air to blow out loose dirt and corrosion prior to removing the spark plug.
^ Do not remove spark plugs when engine is hot.
^ Use a high clearance spark plug socket to prevent damage to plug insulators.

4. Spark plugs.

INSTALL OR CONNECT

CAUTION: Do not install spark plugs that are either "hotter" or "colder" than the heat range specified for the vehicle. Today's technology requires a specific plug heat range for each engine. Installing plugs of any other heat range can severely damage the engine.

1. Spark plugs. Tighten spark plugs to 15 Nm (11 lb.ft.).
2. Spark plug wire boots onto plugs.
3. Air cleaner assembly.