.035
.025 Champian J4J (cold) to J8J (plugs) Points .018 - .02
Remove the spark plug wire from your 2001 Mercury Grand Marquis. Remove the spark plug with a 5/8 deep well socket, white turning it to the left. Reverse the process to put in the new spark plug.
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of 2002 Mercury Grand Marquis
Remove the spark plug wires from your 2002 Mercury Grand Marquis spark plugs. Remove the spark plugs by turning them to the left with a deep well 5/8 socket. Reverse the process to install the new spark plugs.
5/8 inch spark plug socket.5/8 inch spark plug socket.
On a Mercury Sable , V6 engine : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Mercury Grand Marquis
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
Use a .5 feeler gauge for the TR Spark Plug Gap.
Remove the spark plug wire. Using a 5/8" spark plug socket with appropriate extension and driver unscrew the spark plug and remove it. The spark plug gap should be set to .045". Replace spark plug and reattach wire.