Operation CHARM: Car repair manuals for everyone.

Spark Plug: Service and Repair



Spark Plug Replacement

Removal Procedure




1. Remove the ignition coil(s).

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

2. Remove the spark plug(s).

Installation Procedure

Notice: Do not coat spark plug threads with anti-seize compound. If anti-seize compound is used and spark plugs are over-torqued, damage to the cylinder head threads may result.




1. Inspect the gap on the NEW spark plug(s), re-gap the plug(s) as required.

1.1 mm (0.45 in).

2. Install the spark plugs.

Tighten the plugs to 20 N.m (15 lb ft).

3. Install the ignition coil(s).