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Old 09-07-2014, 06:51 AM   #17
68C15
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Join Date: Jan 2004
Location: next to my reloading bench
Posts: 10,269
Re: Replace exhaust manifold bolts?

Quote:
Originally Posted by Truck Guy99 View Post
Why do you have to remove them? Is it leaking?
in hard use the manifolds grow and stretch the bolts. Then the heads snap off and you have all kinds of fun ahead of you. I've done a few of these and it is NOT cheap. I bought a $400 jig kit and it makes it a bit easier. The last one I did the customer left with a $600 repair ticket

I'd spend the money and replace them now. Warm the truck up good, give each one a good rap on the head with a pointed air hammer bit to rattle any rust loose, spray them with penetrant, and let it sit until cool. Then remove them one at a time and torque to specs (13 ft/lbs IIRC)
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