Nissan Sentra Forum - B15, B16 and B17 Sentra Forums - View Single Post - Spark Plug Replacement - 2002 GXE 1.8L
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post #10 of Old 10-14-2009, 07:37 PM
Al, The Ignorant Fcuk
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Originally Posted by BrianRitchie View Post
yeah, the dielectric grease isnt for the threads. Its a electricly conductive grease that keeps the boot terminal from seizing onto the spark plug terminal and damaging the plug boot or coil next time they're removed.
It does that but also (theoretically) prevents arcing around the porcelain. Probably not an issue though beins its located in a protected area. But yea...easier to get the boot off.

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