YotaTech Forums - Problems with this #1 Cyl Plug?

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itzmywife's

Jul 22, 2015 05:24 PM

Problems with this #1 Cyl Plug?

Photo of the plug pulled from my #1 during a recent timing belt replacement (don't ask). Any reason for concern with the gunk?

1999 4runner, 3.4, 4x4https://cimg1.ibsrv.net/gimg/www.yot...9b198d7cdc.jpg

vasinvictor

Jul 23, 2015 08:32 AM

It's probably a tiny amount of blow-by getting between the steel and porcelain. Time to replace them- obviously. We've all had them before.

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