H3 V8-5.3L (2008)
1. Correctly position the spark plug washer.
2. Inspect the spark plug gap. Adjust the gap as needed. Refer to Ignition System Specifications (See: Ignition System/Specifications) .
3. Hand start the spark plug in the corresponding cylinder.
Notice: Refer to Fastener Notice (See: Service Precautions/Vehicle Damage Warnings/Fastener Notice) .
4. Tighten the spark plug.
Tighten the plug to 20 N.m (15 lb ft).
5. Install the spark plug wire. Refer to Spark Plug Wire Replacement (See: Ignition Cable/Service and Repair) .