Explorer 2WD V6-245 4.0L VIN X SFI (1999)
11. Adjust the spark plug gap.
INSTALLATION
1. Install the RH spark plugs.
NOTE
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If an original spark plug is reused, make sure it is installed in the same cylinder from which it was taken. New spark plugs can be used in any
cylinder.
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Apply Silicone Dielectric Compound D7AZ-19A331-A or equivalent meeting Ford specification ESE-M1C171A to the inside of the spark
plug wire boots.
2. Connect the RH spark plug wires.
3. Install the LH spark plugs.
