2003 Nissan 350z Spark Plug and Coil Pack Replacement

ID: 171031

Description: If your Nissan 350z has hesitation in...

Steps:

1. Pull the hood latch located in the drivers side footwell, to release the lock.
2. Open the hood and use the hood prop to secure.

3. Use the push tab to release the battery cover and remove it from the engine bay.

4. Loosen the ground terminal connected to the battery using a 10 mm socket and ratcheting wrench.
5. Place the ground terminal outside the battery cover and replace the cover.
6. The car battery circuit should be incomplete throughout the repair.

7. Use a ratcheting wrench and a 15 mm socket to remove the six 44.5 mm long bolts and two nuts on the strut tower brace.

8. Use a ratcheting wrench and a 10 mm socket to loosen and remove the three 12.7 mm bolts holding the wiring bracket in place.

9. Use the 10 mm socket wrench to remove the two 12.7 mm bolts that connect to the wiring harness brackets on each side of the ignition coil.

10. Usa a 10 mm socket wrench to remove the bolt holding the ignition coil.
11. Use a 16 mm deep socket to loosen the spark plug inside the valve cover.
12. Extend your magnet to retrieve the spark plug.
13. The 10 mm bolt holding the ignition coil is longer than the other 10 mm bolts. This bolt can only fit the ignition coil.

14. Replace the faulty spark plugs and ignition coils with new ones.