How to Replace a 2000 Nissan Pathfinder Spark Plug

Spark plugs are a key component to any properly running engine. Replacing the spark plugs in your vehicle yourself is easy, and can save you money vs. having a professional technician perform the work. Nissan suggests you change the spark plugs every 100,000 miles. By making this replacement part of your vehicle's maintenance plan, you can increase fuel economy and extend the life of the vehicle.

Things You'll Need

• New spark plugs
• Spark plug socket
• Socket wrench with extended arm
• 1/2-inch socket

Instructions

1. Raise the Pathfinder's hood and locate the battery. Remove the negative terminal to prevent any chance of shock.

2. Remove the engine cover by removing the four mounting bolts using your 1/2-inch socket and wrench.

3. Locate the spark plug wires and remove them using your hand. You can now access the spark plugs.

4. Use the spark plug socket and wrench to remove the old spark plugs.

5. Install the new spark plugs, tightening them into place with the socket wrench.

6. Reattach the spark plug wires with your hands. Reattach the plastic engine cover using the 1/2-inch socket. Attach the negative terminal to the battery and lower the hood.

References

• "Nissan Pathfinder Repair Manual 1996-2004 (Haynes Repair Manual);" Len Taylor, Tim Imhoff, John H. Haynes; 2005