STS RWD V8-4.6L (2007)
Notice: 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.
Notice: Refer to Component Fastener Tightening Notice.
2. Install the spark plugs to the cylinder heads.
Tighten the spark plugs to 20 N.m (15 lb ft).
3. Install the ignition coils.
