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How do you get to the spark plugs change them in a 1993 Ford Thunderbird?

Step 1: Tools/Materials

- Spark plug wrench

- Spark plug gap tool

- New spark plugs

- Phillips head screwdriver

Step 2: Open the hood

Step 3: Locate cylinder heads

- 3.8L engine – two cylinder heads – front of the engine

- 4.6L engine – two cylinder heads – sides of the engine

Step 4: Remove the engine covers

- Pull up to remove

- Set covers aside

Step 5: Remove old ignition coil assemblies

- Use Phillips-head screwdriver to remove two screws securing coil assembly to cylinder head

- Remove coil assembly carefully

Step 6: Remove spark plugs

- Use spark plug wrench to turn counter-clockwise to loosen and remove spark plug

Step 7: Gap new spark plugs

- If needed, set gap to specification

Step 8: Install the new spark plugs

- With the tip facing down, screw the new spark plug in by hand until it stops

- Use the spark plug wrench to tighten the spark plug. Be careful not to over-tighten.

- Repeat steps for the other spark plugs

Step 9: Reinstall ignition coils

Step 10: Reinstall the engine covers

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