STS RWD V8-4.6L VIN A (2006)
2. Install the spark plugs to the cylinder heads.
NOTE:
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Be sure that the spark plug threads smoothly into the cylinder head and the spark plug is fully seated. Use a thread chaser, if necessary, to clean
threads in the cylinder head. Cross-threading or failing to fully seat the spark plug can cause overheating of the plug, exhaust blow-by, or thread
damage.
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Refer to Component Fastener Tightening Notice in Service Precautions.
Tighten the spark plugs to 20 N.m (15 lb ft).
3. Install the ignition control modules.
