DeVille DTS V8-4.6L VIN 9 (2002)
2. Install the spark plugs to the engine.
Tighten
Tighten the spark plugs between 17-23 N.m (13-17 lb ft).
3. Install the spark plug boots to the ignition coil assembly.
4. Refer to Ignition Coil(s) Replacement - Bank 2 or Ignition Coil(s) Replacement - Bank 1.
