1. Gather tools and materials.
- New spark plugs (NGK BKR5E-11 or equivalent)
- Spark plug wrench
- 5/8-inch socket wrench
- 3/8-inch ratchet
- 10mm socket
- Flat-blade screwdriver
- Wire brush
2. Prepare the engine.
- Allow the engine to cool completely.
- Disconnect the negative battery cable.
3. Remove the ignition coils.
- Use a 10mm socket to remove the two bolts that hold each ignition coil in place.
- Carefully lift each coil off the spark plug.
4. Remove the old spark plugs.
- Use a spark plug wrench to loosen and remove the old spark plugs.
- Be careful not to drop the spark plugs into the engine.
5. Inspect the old spark plugs.
- Check the condition of the old spark plugs.
- Look for signs of wear, damage, or fouling.
- This can help you identify any underlying engine problems.
6. Clean the spark plug wells.
- Use a wire brush to clean any debris from the spark plug wells.
- Be careful not to damage the threads in the spark plug holes.
7. Install the new spark plugs.
- Apply a small amount of anti-seize compound to the threads of the new spark plugs.
- Carefully screw in the new spark plugs until they are snug.
- Do not over-tighten the spark plugs.
8. Reinstall the ignition coils.
- Carefully place each ignition coil back in its original position.
- Secure the coils with the 10mm bolts.
9. Reconnect the battery cable.
10. Start the engine.
- Start the engine and let it run for a few minutes.
- Check for any leaks or unusual noises.
That's it! You have now successfully changed the spark plugs on your Nissan Almera 2005.
