oil in spark plug? anything to worry?
10-17-2009, 11:31 AM
#1
Senior Member
Thread Starter
Join Date: Jan 2002
Posts: 100
oil in spark plug? anything to worry?
I just changed my spark plugs last weekend and I found oil in the the 6th spark plug, (facing the engine bay top right).
Is it anything I should worry? Car runs much better after the spark plug change.
Is it anything I should worry? Car runs much better after the spark plug change.
10-17-2009, 12:07 PM
#3
change your VC gaskets, belive me, it wont run better for long when the oil gets into the coil and disrupts the connection.
also, enjoy smoky startups when it leaks down.
i used a leaky VC as an excuse to do an 00vi swap
also, enjoy smoky startups when it leaks down.
i used a leaky VC as an excuse to do an 00vi swap
10-17-2009, 04:38 PM
#4
The valve cover gaskets proper won't cause this problem, it's the plug tube seals. Generally they're replaced along with the valve cover gaskets, though.
You'll obviously have to pull the UIM to change out the rear tube seals, should consider cleaning the TB/IACV and EGR guide tube while you're in there, as well as replacing the KS if it's due (only a half dozen more bolts to pop the lower intake out).
You'll obviously have to pull the UIM to change out the rear tube seals, should consider cleaning the TB/IACV and EGR guide tube while you're in there, as well as replacing the KS if it's due (only a half dozen more bolts to pop the lower intake out).
10-18-2009, 12:18 AM
#5
The valve cover gaskets proper won't cause this problem, it's the plug tube seals. Generally they're replaced along with the valve cover gaskets, though.
You'll obviously have to pull the UIM to change out the rear tube seals, should consider cleaning the TB/IACV and EGR guide tube while you're in there, as well as replacing the KS if it's due (only a half dozen more bolts to pop the lower intake out).
You'll obviously have to pull the UIM to change out the rear tube seals, should consider cleaning the TB/IACV and EGR guide tube while you're in there, as well as replacing the KS if it's due (only a half dozen more bolts to pop the lower intake out).
also did the other things listed above while in there. not much reason not to,
10-18-2009, 06:06 PM
#8
http://forums.maxima.org/4th-generat...im-w-pics.html
VXC? You mean VC? VC == Valve Cover.
UIM == Upper Intake Manifold.
The valve covers themselves come off in a rather obvious way when the UIM is removed (for the rear).
10-18-2009, 07:45 PM
#9
Junior Member
Join Date: Jul 2008
Posts: 25
Is it on the plug where the electrode is? Or is it on the coil boot? Coil boot says VC gasket... Plug says Valve seals or rings but proper combustion would not leave oil behind even though it is not supposed to be there. On second thought just replace those gaskets.
Thread
Thread Starter
Forum
Replies
Last Post
My Coffee
New Member Introductions
15
06-06-2017 02:01 PM
Need help
5th Generation Maxima (2000-2003)
23
10-02-2015 08:56 AM