Should You Use Oil on Spark Plug Threads? Insights Explained

Learn why oiling spark plug threads can lead to engine issues and discover the best practices for installation.

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No, it is not advisable to put oil on spark plug threads. Using anti-seize compounds specifically designed for spark plugs is better. Oil can interfere with proper torque and potentially cause over-tightening or under-tightening, leading to engine damage or plug misfires. Always follow the manufacturer's recommendations for spark plug installation.

FAQs & Answers

  1. What should I use on spark plug threads instead of oil? Use an anti-seize compound specifically designed for spark plugs to ensure proper torque without harming the threads.
  2. Why is oil not recommended for spark plugs? Oil can interfere with the correct torque of the spark plug, leading to engine misfires and potential damage.
  3. How do you install spark plugs correctly? Always follow the manufacturer's instructions for installation, using the recommended tools and compounds for optimal results.