Other information:
Inspection
NOTE:
Dropped spark plugs should always be discarded.
Unfired
An unfired spark plug should appear very clean
with a pure nickel finish to the threads and ground strap. The center
electrode ceramic insulator surface is often a matte or dull finish and
pure white in color...
Removal
Fully lower the glove compartment.
Release the tabs.
Disconnect the dampener strap.
On both sides, rotate the hinge pin counter-clockwise through the opening.
On both sides, push the hinge pins towards the center to clear the hinge...