2019 Mazda CX-5 Spark Plug Replacement

ID: 204299

Description: This guide shows how to replace the spark plugs...

Steps:

  1. Remove the engine cover by firmly pulling upwards to release from mounting grommets and set aside.
  2. Step image Step image
  3. Press the locking tab down and pull each ignition coil connector straight back to disconnect from ignition coil.
  4. Do not pull on ignition coil connector cable.
  5. Step image
  6. Remove the bolt securing each ignition coil using an 8mm socket, then pull the coil straight upward to remove it from the spark plug well. Set aside.
  7. Step image Step image Step image
  8. Remove spark plugs by using a 14mm spark plug socket, extension and ratchet wrench, turning counterclockwise.
  9. Check spark plugs for signs of fouling and any other irregular wear indicators.
  10. Step image Step image Step image
  11. Ensure spark plug gap is within specification (0.044mm) on replacement plugs. Use spark plug gauge to verify. Caution: do not contact iridium tips with gauges or plyers, may cause damage.
  12. Thread each new spark plug clockwise into the cylinder head by hand to avoid cross-threading.
  13. Torque to specification: Between 12 to 14 lb-ft
  14. Step image Step image
Back