What to do if you cross threaded a spark plug
Discovering a cross-threaded spark plug during maintenance creates immediate concern over how to fix it properly. This leaves you unsure of the right steps to take without causing further damage to the threads.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1researching online and planning to change the valve cover and spark plug seals
- 2replace the faucet
- 3file off the starting threads with a flat file
In their words
Unedited, most upvoted first, each linked to the thread it came from.
Where this came up
People with this problem also raised
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