Spark Plug: Service and Repair

Spark Plug Replacement

Removal Procedure




1. Remove the spark plug wires from the spark plugs. Refer to Spark Plug Wire Replacement (Service and Repair).
2. Remove the spark plugs from the engine.

Installation Procedure

1. Measure the spark plug gap on the spark plugs to be installed. Compare the measurement to the gap specifications. Refer to Ignition System Specifications (Specifications). Correct as necessary.





Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the spark plugs to the engine.

* If installing the spark plugs to a new cylinder head tighten the plugs to 27 Nm (20 lb ft).
* If installing the spark plugs to an existing cylinder head tighten the plugs to 15 Nm (11 lb ft).

3. Connect the spark plug wires to the spark plugs. Refer to Spark Plug Wire Replacement (Service and Repair).