Quote:
Originally Posted by Truck Guy99
Why do you have to remove them? Is it leaking?
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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)