glow plug thread size

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Dec 10, 2013 | 09:55 AM

brokeasajoke

Thread Starter

More Turbo

Joined: Jan 2010

Posts: 685

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From: Western NC mountains

glow plug thread size

Was pulling glow plugs and checking glow on each one and discovered the PO had not screwed one completely in for reasons unknown. Now the threads in the head are full of carbon and glow plug wont seat. The gp threads look good as well as head. So what thread is the gps. Was going to chase the threads with a tap after i put shaving cream in hole then vaccum it out and disable fss and blow it out.

Dec 10, 2013 | 04:56 PM

airdale94

Tuned

Joined: Jul 2012

Posts: 426

Likes: 0

From: Topeka,Ks.

I believe they're 10mm but not sure of the thread pitch. Craftsman has a pretty good thread chasing set for less than $100. Sears.com Very handy. Plus you're not as likely to make the threads worse.