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How do you remove a broken spark plug. Also if the threads are stripped I can use a TIME-SERT to repair stripped threads. www.timesert.com? |
Answer
I am assuming that only the thread part remains in the head.
This can be removed using what is called an EZOUT. They are similar to a twist drill, except the twist is in reverse. As you rotate the EZOUT counterclockwise, it grips the thread boss more tightly.
As an aid to the process, you should spray the thread area with Liquid Wrench or some light penetrating oil. Let it set for 20 minutes before trying to unloosen the broken part.
The EZOUT should be a size that will fit into the hole and engage about 1/3 of the way up from the bottom. If you contact the piston, you can rotate the engine, often by pressing on a v-belt and tugging on the fan, or just bump the engine with the starter. Make sure you have clearance for the EZOUT so that it cannot contact the piston.
Insert a small diameter screwdriver into the hole to see how far down the piston is from the top of the cylinder. As long as it is past 2 inches you will have plenty of clearance for the EZOUT.
Good luck.
As a reminder, NEVER attempt to remove spark plugs from a hot engine, particularly if the cylinder head is aluminum.
First answer by ID1135184120. Last edit by ID1135184120. Question popularity: 40 [recommend question]
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