PDA

View Full Version : Spark Plug Threads


vaughanmc
25-04-08, 04:57 PM
Around my spark plug thread there is like black oil

Someone suggested it could be contaminated water ?

Can anyone shine any more light on this and will it cause any problems ?

What could be the cure as well

Cheers, Vaughan :thumb:
NovaLad
25-04-08, 05:10 PM
Just clean them all up and put back in i think
Welsh Dan
25-04-08, 05:57 PM
Running rich?
Adam
25-04-08, 07:02 PM
Where abouts?
Inside the chamber, or on the outside of the head around the plug thread?
Adam*D
25-04-08, 07:11 PM
I had all my plugs soaking wet once (20xe), I just put it down to not having a plug cover on!. I removed all the plugs, cleaned them up and put them back, oh and fitted a plug cover! job done and all is well.
Jack
25-04-08, 07:27 PM
If its around the top, where the HT lead connects, I'd say rocker cover gasket.
Riggy
25-04-08, 08:01 PM
mine were a bit wet last week

http://img.photobucket.com/albums/v13/riggy4/general%20pics/Image354.jpg

lol
vaughanmc
25-04-08, 10:37 PM
Where abouts?
Inside the chamber, or on the outside of the head around the plug thread?

Aye its on the head around the plug thread mate

Its running fine with no smoke on start up either and no smoke when giving a kicking lol

Any ideas?

Much appreciated lads, Vaughan :thumb:
Jack
25-04-08, 10:43 PM
I'd say rocker cover gasket.
;)
vaughanmc
25-04-08, 10:50 PM
We put a brand new rocker cover gasket on it as well...

What could be the problem mate - This is helping me out

I thought it could be a complete engine rebuild...?
Adam
26-04-08, 07:12 PM
Is the head damp with oil(from the rocker gasket) ?
Geordie-Chris
27-04-08, 12:54 AM
dude, if its not broke don't fix it!! If it runs fine, and isn't leaving big pools of oil everywhere you stop, don't worry about it!
Someone may have copper greased the threads of the plugs wen fitting them, with the heat it can melt and get dirty, leaving black oily crap, could be that.
Were they tightend properly, i.e. compression/oil/fuel/air couldn't have been leaking past them slightly???
I'd just clean them up on a wire wheel/fit new ones, drive it and not worry!!
vaughanmc
27-04-08, 12:45 PM
They are brand new ones just put in...

Aye the car is running fine - I'll probably clean up the 'oil' then wait and see if it re-appears

Cheers for the help :)
meritlover
27-04-08, 05:56 PM
check the mating faces are flat and true. torque the cover correctly/in the corec order, and make sure the bolts are not bottoming out causing the rocker cover not to be clamped down. also inspect the castings for cracks and holes both in the cover and the head.
theres not many places it can come from.
vaughanmc
27-04-08, 06:08 PM
The spark plugs were only hand tight...

There now tightened up now - Going to see if that could be the cure

Thanks again lads :)
greg1.4
27-04-08, 10:17 PM
think that could have something to do with it..

just make sure you dont put them too tight..
Jack
27-04-08, 11:07 PM
dude, if its not broke don't fix it!! If it runs fine, and isn't leaving big pools of oil everywhere you stop, don't worry about it!
I did that on the Celica. Then the plug area filled with oil and I developed a rather nasty misfire and lost most of my power. Driving a GT4 all the way back from Cornwall with zilch acceleration power is not fun lol