Lincoln AGSF-32P-M Spark Plug

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Spark plugs are on the engine sides. For replacement, you need a spark plug socket, extensions, gap gauge, and torque wrench. A plug wire removal tool can be helpful. Buy new plugs, adjust them to the correct gap and replace one at a time. Ensure the right plug type for your engine. Let the engine cool before removing plugs. Check new plugs for defects and adjust gaps. Remove the spark plug wire from one plug. Use compressed air to clean the spark plug hole if available. Remove the plug by turning it counterclockwise. Apply anti-seize compound to the plug threads. Install a new plug and tighten it with a torque wrench. Inspect the plug wire before attaching it to the new plug. Repeat for all plugs, replacing one at a time. For 1996 to 1999 OHC engines, reinstall the ignition coil pack, or reconnect individual coils on 2000 and later OHC engines.

Vehicles with 4.2L engines have side spark plugs, while 4.6L and 5.4L engines have top plugs. For replacement, you'll need a spark plug socket, extensions, gap gauge, and possibly a special wire removal tool. Use a torque wrench. Buy new plugs in advance, adjust gaps, and replace one at a time. Let engine cool, check new plugs for defects, adjust gaps. Remove wire, blow away dirt, remove plug counterclockwise. Compare old plug to chart. Apply anti-seize compound, tighten new plug. Inspect wire before attaching to new plug. Repeat for remaining plugs, replace one at a time.

You should install the new spark plug by hand, using a short length of rubber hose to prevent cross-threading.

You should apply anti-seize compound to the new spark plug threads before installing it.

It's best to buy new plugs in advance, adjust them to the proper gap, and replace them one at a time. Make sure to get the correct plug type for your engine. Allow the engine to cool completely before removing any plugs. While waiting, check the new plugs for defects and adjust the gaps using a gap gauge.