Elite QandA


How do you use dielectric grease on an ignition coil?


  1. How do you use dielectric grease on an ignition coil?
  2. Where should you not use dielectric grease?
  3. Is dielectric grease necessary?
  4. Where do you apply dielectric grease?
  5. Can you use too much dielectric grease?
  6. When should I use dielectric grease?
  7. Can you install spark plugs without dielectric grease?
  8. Does dielectric grease get hard?
  9. Will dielectric grease cause a short?
  10. Should I use dielectric grease on ECM connectors?
  11. How do you use dielectric grease on headlights?
  12. Where do you put dielectric grease on headlights?
  13. Can you use too much dielectric grease on spark plugs?
  14. Is dielectric grease important on spark plugs?
  15. Can you use too much dielectric grease spark plugs?
  16. Is dielectric grease necessary for headlights?
  17. Do I need dielectric grease for bulbs?
  18. Does dielectric grease dry out?
  19. What happens if you don't use bulb grease?
  20. Can dielectric grease cause a short?

How do you use dielectric grease on an ignition coil?

0:362:56How To Properly Use Dielectric Grease On Spark Plug WiresYouTubeStart of suggested clipEnd of suggested clipSince dielectric grease is an insulator it should sparingly be applied to the inside of the sparkMoreSince dielectric grease is an insulator it should sparingly be applied to the inside of the spark plug boot only a cotton swab makes for a great applicator.

Where should you not use dielectric grease?

Since dielectric grease is a silicone grease, it should not be used on silicone-based rubbers or plastics, as it will break them down over time. The grease does not conduct electricity, so it shouldn't be applied directly to the mating surfaces (pins and sockets) of an electrical connection.

Is dielectric grease necessary?

Most commonly applied on spark plug boots, lightbulbs, and battery terminals, dielectric grease is, in theory, a protectant like car wax. It's not required, but it could help extend and maintain the life and quality of your vehicle and its parts.

Where do you apply dielectric grease?

0:592:46Dielectric Grease - The PROPER way to apply it. - YouTubeYouTube

Can you use too much dielectric grease?

While dielectric grease is great for use on electric plugs because it does not conduct electricity and it provides a water-tight seal, too much of it is not very necessary. Applying a thick film of dielectric grease will make it impossible for you to push the sockets all the way in.

When should I use dielectric grease?

Dielectric grease is often used for battery terminals to prevent fusing and corrosion as well as high-energy ignition systems to prevent voltage leakage, however, it can also be used in combination with other various terminals and connectors, such as butt connectors, ring, spade, and heat shrink terminals.

Can you install spark plugs without dielectric grease?

Dielectric grease is not, usually, a requirement but some mechanics use it routinely. It is a silicone compound that serves to lubricate and seal spark plug boots. It can facilitate removing plug boots without damaging them and keeps moisture out. Dielectric grease should not be used on spark plug threads.

Does dielectric grease get hard?

Dielectric grease does not conduct electricity and stays pliable (it does not cure), while silicone grease does not conduct electricity either but cures to a hard form.

Will dielectric grease cause a short?

(fredejo) Hi fred, First let me clear your post up, dielectric grease is not intended to be conductive, it is an insulator. This is what you can slather it all through the connector and not short anything out.

Should I use dielectric grease on ECM connectors?

Dielectric grease is non conductive grease and should never be used on the metal part of the connectors.

How do you use dielectric grease on headlights?

0:372:16How to Apply Bulb Grease & Why it's Important • Cars Simplified - YouTubeYouTube

Where do you put dielectric grease on headlights?

0:462:16How to Apply Bulb Grease & Why it's Important • Cars Simplified - YouTubeYouTube

Can you use too much dielectric grease on spark plugs?

Applying a thick film of dielectric grease will make it impossible for you to push the sockets all the way in. And because the grease does not conduct electricity, the lack of contact will most likely prevent your car from starting.

Is dielectric grease important on spark plugs?

Over tightening can lead to distortion of the spark plug and breakage. If your engine has the more modern 'COP' system (coil-on-plug) then lube the spark plug boot with dielectric grease, this helps prevent misfires and makes removing easier in the future.

Can you use too much dielectric grease spark plugs?

While dielectric grease is great for use on electric plugs because it does not conduct electricity and it provides a water-tight seal, too much of it is not very necessary. In fact, if you apply dielectric grease to the extent where it becomes thick and goopy, your vehicle will most likely not start.

Is dielectric grease necessary for headlights?

No, you don't "really need" it. However, the purpose of the grease is to keep out moisture that can degrade the connection and the bulb's performance. So if you see any signs of corrosion when you remove the old bulb, I would say that it would be a very good idea to clean the socket well and use some grease.

Do I need dielectric grease for bulbs?

1:032:36Dielectric Grease for Bulbs - YouTubeYouTube

Does dielectric grease dry out?

Dielectric grease does not conduct electricity and stays pliable (it does not cure), while silicone grease does not conduct electricity either but cures to a hard form.

What happens if you don't use bulb grease?

No, you don't "really need" it. However, the purpose of the grease is to keep out moisture that can degrade the connection and the bulb's performance. So if you see any signs of corrosion when you remove the old bulb, I would say that it would be a very good idea to clean the socket well and use some grease.

Can dielectric grease cause a short?

(fredejo) Hi fred, First let me clear your post up, dielectric grease is not intended to be conductive, it is an insulator. This is what you can slather it all through the connector and not short anything out.



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