F-150 V8-46L VIN W (2007) Ignition System - Spark Plug Removal Instructions
3.
Tighten, and then loosen the spark plug, working the plug back and forth. Some screeching and high effort may be noticed. The expected removal
torque is about 33 lb-ft (45 N.m). Repeat the back and forth turning as needed until turning effort is reduced, and remove the spark plugs.
NOTE
NEW PLUGS SHOULD BE INSTALLED USING A FILM COATING OF MOTORCRAFT HIGH TEMPERATURE NICKEL ANTI-SEIZE
LUBRICANT ON THE GROUND ELECTRODE SHIELD. DO NOT COAT THE ELECTRODE STRAP. (Figure 1)
Separated/Broken Spark Plug Removal
If the spark plug separates after following the Spark Plug Removal Procedure, it will fail in one of three modes. Refer to the appropriate removal
procedure as required.
a.
Mode 1: The ground electrode shield is left behind as an empty shell. (Figure 2)
b.
Mode 2: The entire porcelain insulator and ground electrode shield remains in the cylinder head. (Figure 3)
