Sierra Denali RWD V8-6.2L (2009)
1. Correctly position the spark plug washer.
2. Inspect the spark plug gap. Adjust the gap as needed. Refer to Ignition System Specifications (See: Powertrain Management/Ignition
System/Specifications)
3. Hand start the spark plug in the corresponding cylinder.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution) .
4. Tighten the spark plug.
Tighten the plug to 15 Nm (11 lb ft).
