How to change spark plugs on your car [AUTODOC TUTORIAL]

How to change spark plugs on a car – replacement tutorial
What you might need:
a set of new spark plugs
a ratchet wrench or other tool that makes replacement easier
a spark plug wrench or socket
a torque wrench
pliers for removing spark plug caps or ignition coils
a special tool or feeler gauge set to measure the gaps between the electrodes
high-temperature and dielectric greases
Please note!
  • Nickel, platinum, and iridium plugs are the most common
  • The symptoms of bad spark plugs include difficulty starting the engine, engine malfunctioning, and increased fuel consumption
  • Typically, nickel versions have a service life of about 30,000 km; iridium ones up to 100,000 km
  • All spark plugs must be changed, even if only one has failed
  • They have roughly the same lifespan
  1. 1.
    How to change Spark Plug - free PDF and video manuals
    To access the spark plugs, it might be necessary to remove some parts under the bonnet
    The spark plugs are installed in the spark plug wells in the cylinder headThey can be located either on the side or on top of the cylinder head
  2. 2.
    How to replace iridium and platinum Engine spark plug - step-by-step manuals and video guides
    Note the order in which the spark plug wires are connected and carefully remove the plug caps
    Be careful!
    Do not pull on the wires, as this could damage themUsually, spark plug caps snap easily into their mounting seatsThe length of the spark plug caps helps determine how deep the plugs are fitted in the wells
  3. 3.
    Spark plug replacement on your car: free workshop manuals
    To prevent dirt entering the engine, clean the spark plug wells thoroughly before installing the plugs
  4. 4.
    Changing Engine spark plugs by yourself
    Select a spark plug socket of the required size and lower it into the spark plug well
  5. 5.
    How to remove platinum and iridium Spark plug set - online easy-to-follow instructions
    Make sure the socket is securely attached to the spark plug and carefully unscrew the component
  6. 6.
    How to replace Engine spark plug: download PDF manuals and video instructions
    Repeat the same steps with the other spark plugs
  7. 7.
    How hard is it to do yourself: iridium and platinum Spark plug replacement - download illustrated guide
    Remove the spark plugs from their wells. A special magnetic socket can be used for this
    Be careful!
    Do not allow dirt to get in open spark plug wells
  8. 8.
    Need to know how to renew Spark Plug? This free workshop manual will help you to do it yourself
    Before installing a new spark plug, treat its threaded part with high-temperature grease
  9. 9.
    Changing of platinum and iridium Engine spark plug won't be an issue if you follow this illustrated step-by-step guide
    Apply some dielectric grease to the ceramic insulator
  10. 10.
    Spark plug replacement: online guides and video tutorials
    Secure the component in the spark plug socket and lower it carefully into the spark plug well
    Place the plug carefully in the well, as the component may fail if knocked
  11. 11.
    Replacing Engine spark plugs on your car by yourself
    Carefully fit and lightly screw in all the spark plugs
  12. 12.
    iridium and platinum Spark plug set DIY replacement workshop manual
    Tighten them with a torque wrench to the manufacturer's recommended torque
  13. 13.
    How to change Engine spark plug on your car - tips and tricks
    Be sure to inspect the spark plug caps, high-voltage wires, ignition coils, and electric contacts
    Please note!
    The type of deposit on the spark plug electrodes can help you determine whether the cylinders are working correctly
  14. 14.
    Step-by-step recommendations for DIY replacement Spark plug
    Apply a small amount of dielectric grease to the inside walls of the spark plug caps
  15. 15.
    DIY replacement of platinum and iridium Spark Plug is not an issue anymore with our step-by-step tutorial. Check it out!
    Prevent dielectric grease getting on the electrodes to avoid ignition system malfunctions
  16. 16.
    How to change Spark Plug - free PDF and video manuals
    Install the spark plug caps, making sure they click into place in their mounting seats
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