Posted by John in La on February 11, 2015 at 18:45:07 from (96.33.136.54):
Guy takes his class 8 truck into a local shop to have some work done to the Cummings.
Do not know for sure what they were doing but they had to take the exhaust manifold off to do the job.
Mechanic breaks 3 bolts off trying to get manifold off; then breaks off a easy out in one of the bolts. Bolts are broken off below the flat surface of the head.
Shop tells owner he needs to replace heads as they can not get broken bolts out. Might as well do a inframe while we got the heads off.
Not wanting to spend this kind of money the owner has the truck towed to the shop where we get our trucks fixed.
I asked the mechanic "Why would you take on such a job." He says I can get the broken bolts out. I'm thinking yea right; maybe you need to look at that broken easy out in that one bolt.
He gets out this special welding rod and sticks it in the hole with the broken bolt with a easy out in it. Puts a tack on end of bolt. Lets it cool and tacks the end again building the bolt up to where it sticks out the side of the head than welds a nut on the end.
I'm thinking you got real problems now cause all you did was weld the bolt into the head permanently.
He takes a hammer. Whacks the nut sharply; then takes a socket and breaker bar and backs the broken bolt out.
If I had not seen it with my own eyes I never would have believed it. He said the ceramic flux protects the threads from damage.
Any of you guys ever use/seen these kind of rods before. I assume they are not cheap.
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