F 250 4WD Pickup V6-4.2L VIN 2 (1998)
4. Inspect the spark plugs:
INSTALLATION
1. Apply Silicone Brake Caliper Grease and Dielectric Compound D7AZ-19A331-A or equivalent meeting Ford specification ESE-M1C171A to the
inside of the spark plug wire boots.
2. Adjust the spark plug gap as required.
NOTE: If an original spark plug is reused, make sure it is placed in the same cylinder it was taken from. Replacement spark plugs can be used in
any cylinder.
3. Install the LH spark plugs.
