Ford AYFS-32Y-R Spark Plug

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To replace the spark plugs on these vehicles, you'll find them in the center of the valve cover(s). Accessing the rear cylinder bank spark plugs on V6 models may require removing the upper intake manifold. The tools needed include a spark plug socket, extensions, a gap gauge to adjust gaps, and a torque wrench. Purchase the new spark plugs in advance, adjust their gaps, and replace them one at a time. Ensure you get the correct plug type for your engine. Allow the engine to cool completely before removal, as hot removal can damage aluminum cylinder heads. While waiting, check the new plugs for defects and gap adjustments. Use a gauge to check and adjust the gap as specified on the Emissions Control Information label, bending the side electrode if necessary. Remove the individual ignition coils first to access the spark plugs, and use compressed air to clean around the spark plug hole. Remove and replace each spark plug, applying a small amount of anti-seize compound to the threads and using a torque wrench or ratchet for proper tightening. A length of rubber hose can help thread the plugs without damaging the threads. Repeat these steps for all spark plugs.