Removal Procedure

CAUTION:

This engine has aluminum cylinder heads. Do not remove the spark plugs from a hot engine, allow it to cool first. Removing the spark plugs from a hot engine may cause spark plug thread damage or cylinder head damage.

Fig 1: Spark Plugs

Courtesy of GENERAL MOTORS COMPANY

Remove the ignition coil(s). Refer to Ignition Coil Replacement .

NOTE:

Make sure that any water and/or debris is blown out of the spark plug holes prior to removing the spark plugs.

Remove the spark plugs (1) using a 5/8 inch spark plug socket.