I drained my oil but it didn t come out and i am trying to avoid taking the head apart.
Ceramic part of spark plug broke off.
I own a 2004 volvo xc90 t6 2 9l awd with 6 cyl.
This may cause damage to the spark plug and leave part of the spark plug in the cylinder head.
Let s say you are working on a simple tune up and during spark plug removal one breaks off below the hex leaving the threaded shell stuck fast in the head.
That can happen with any spark plug but most frequently with the smaller 5 8 hex size.
Action refer to the following service procedure for techniques to remove the spark plugs and extract broken spark plugs.
The piece that broke off would have to be very small and land perfectly for it to be wedged in this small gap.
Spark plug porcelain broke off discussion in gen 2 prius care maintenance and troubleshooting started by thomas ziongas feb 10 2014.
It may never happen to you but if it does don t panic.
If you want you could have a mechanic do a compression check on each cylinder.
It is ceramic and will certainly damage the piston and head if you run the engine with it in there.
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5 4l 3 v and 6 8l 3 v before 10 9 07 4 6l 3 v before 11 30 07.
Initially encountered misfires on cyl 4 on wot however car ran fine if i didn t go into boost.
Checked all wiring coils and plugs on cycl4 and low and behold about half of the ceramic sheath was.
The tip of the spark plug fell into the engine.
The normal piston to cylinder wall clearance is from 003 to 008 of an inch it can be less or more depending on engine components intended use etc.
Top of spark plug broke off.
Affected engine build dates are as follows.
Will that hurt it if i can t fish it out.
Cast iron head and block.
As the title suggests i encountered a broken piston ceramic sheath shield as shown below.
Then we took the small tube off and put the spark plug wires back in cyl 1 3 4 and tried that.
I was changing the spark plugs and when i got to number 7 the top of the spark plug sheered off when i tried to take it out leaving only the threads and about 3 8 of an inch of the base sticking up still threaded in the head.
I rotated the cylinder to begin the compression stroke on the first cylinder but i still feel stuck on what to do.
I had a similar problem when servicing my dads sthil saw but managed to gently crank the piston around to grab the broken part of the plug.