Oil in chamber?

khill

Original poster
Member
Jan 7, 2012
86
So I know that our trucks eat oil. But how much/what is normal? I went through and replaced my coils and plugs today in an attempt at fixing another issue and I noticed quite a bit of oil on the plug threads. No oil in the coil well but varying amounts on the plug threads. There also appears to be a nice layer of black crud inside the chamber. Anyone ever look inside their chamber and know what's normal?


Oil on plugs, cylinder #2 was heaviest, but there was oil on all.
View attachment 21448

Also, out of curiosity, all the new coils came with this green gunk on the boots, anyone know what it is? I left most of it on and the car runs fine but I'm still curious.
View attachment 21451
 

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Wooluf1952

Member
Nov 20, 2011
2,663
Milwaukee, Wisconsin
IIRC, the green gunk is dielectric grease.

Also, as long as the electrodes are dry and/or not covered with an oily build-up and the well isn't filled with oil you should be fine.
 

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