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Home » Public Forums » GMCnet » Re: [GMCnet] Broken exhaust manifold bolt - final verdict
Re: [GMCnet] Broken exhaust manifold bolt - final verdict [message #149432] Sat, 12 November 2011 03:41 Go to previous message
Richard Brown is currently offline  Richard Brown   United States
Messages: 281
Registered: May 2009
Karma:
Senior Member
I guess you can get the bolt out once you pull off the manifold, but you could either leave it in place as a guide pin or remove it, clean it up, slot the unthreaded end, and put it back in after chasing the threads in the head & applying anti-seize. The slot is so you can use a screwdriver to remove it if needed. Personally, I'd get it out & replace it.When possible, I don't re-use exhaust manifold bolts. Cheaper in the long run to replace them. I coat the entire bolt from the bottom of the head down with anti-seize. I've seen the bolt rust onto the manifold inside the hole. When it happened, I had the devil's own time getting the manifold off once the bolt head broke off.. Once the manifold came off, the rest of the bolt screwed right out... We were restoring a flathead Ford V-8, so only God knows how long it had been since it had been off.

Richard & Carol Brown

1974 Eleganza SE

"DILLIGAF"

Lindale, Tx. 75771

903-881-0192
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Richard & Carol Brown 1974 Eleganza SE 1174 Hickory Hills Dr. Murchison, TX. 75778
 
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