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Do-It-Yourself Nissan Tutorials Home | Nissanhelp.com DIY DIY
 
Maxima
 
Engine & Transmission
 
1995-1999 Spark Plugs Replacement
Project: Spark Plugs Replacement Procedure
Models:
  • 1995 Nissan Maxima
  • 1996 Nissan Maxima
  • 1997 Nissan Maxima
  • 1998 Nissan Maxima
  • 1999 Nissan maxima
Tools
  • 5/8 spark plug socket.
  • 10" socket extension
  • A universal joint for the extension and socket
  • Anti-seize
  • Metric sockets
  • 4mm allen wrench
  • Dielectric Tune-up Grease

Nissan Maxima Spark Plugs Replacement Procedure
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1. Using a 4mm allen wrench, remove the cover by unscrewing four allen screws as shown by the red arrows.

Nissan Maxima Spark Plugs Replacement Procedure
Click image to see it larger

2. Remove the two (8mm) bolts holding each of the ignition coils in place.

Nissan Maxima Spark Plugs Replacement Procedure
Click image to see it larger

3. With the bolts removed, pull out the coil

Nissan Maxima Spark Plugs Replacement Procedure
Click image to see it larger

4. Disconnect coil connector by pressing the green tab towards the coil.

Nissan Maxima Spark Plugs Replacement Procedure
Click image to see it larger

5. With the coil removed, you can see the spark plug: Using your extension, spark plug (5/8) socket, and universal joint, unscrew and pull out the spark plug

Nissan Maxima Spark Plugs Replacement Procedure
Click image to see it larger

Nissan Maxima Spark Plugs Replacement Procedure
Click image to see it larger

6. Coat the threads of each spark plug with anti-seize and insert it back in. The torque specs for the spark plugs are 14-22 ft-lbs.

7. Coat the inside of the coil where it makes contact with spark plug with a thin layer of dielectric tune-up grease. This helps minimize corrosion.

8. Reinsert the ignition coil. Secure it with the 2 bolts.

9. Repeat this procedure for all the ignition coils.

10. That rear spark plug towards the middle of the engine bay is tough to get to. It is easier if you remove the "Purge Volume Control Valve Bracket". Remove the 12mm nuts that are holding the bracket in place. (shown by the blue reds). You don't need to disconnect the hoses or connectors, just move the bracket with the valve aside.

Nissan Maxima Spark Plugs Replacement Procedure
Click image to see it larger

11. As the coils in the front, the rear coils have two 8mm bolts. Remove the bolts of each coil.

Nissan Maxima Spark Plugs Replacement Procedure
Click image to see it larger

12. Disconnect the coil connector of each coil, by pressing the green tab towards the coil and pull the coil.

Nissan Maxima Spark Plugs Replacement Procedure
Click image to see it larger

13. With the coil removed, you can see the spark plug: Using your extension, spark plug (5/8) socket, and universal joint, unscrew and pull out the spark plug

Nissan Maxima Spark Plugs Replacement Procedure
Click image to see it larger

14. Coat the threads of each spark plug with anti-seize and insert it back in. The torque specs for the spark plugs are 14-22 ft-lbs.

15. Coat the inside of the coil where it makes contact with spark plug with a thin layer of dielectric tune-up grease. This helps minimize corrosion.

16. Reinsert the ignition coil. Secure it with the 2 bolts.

17. Repeat this procedure for all the ignition coils.

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