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Has anyone tried an "old man" tool on these? I have not removed the cats so I have not seen what people are up against.
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He was appling impact grade material. Not a impact gun. That could cause some issues.
The passenger side is about the same as the drivers. Best if you remove the intake system to get the best straight angle. I sprayed my bolts with PB blaster twice a week before takling it. But, keep in mind my car only had about 800 miles on it at the time. IMO the more miles at the time of removing can have a big play. |
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Sorry to revive an old thread but I figured it would be better than makeing a new one.
I am having a hell of a time with both demon bolts. I have all of the other bolts out. I started by spraying with PB several weeks ahead of time. I have injen intakes so there is enough room to access the bolt from the engine bay. I have a 1/2 inch breaker bar with a couple feet of extensions and a 14mm impact socket. At this point the bolts are partially stripped and have not budged. I've tried heating them with a torch and by running the car. I made some super PB blast I found online by mixing 1:1 ratios of ATF and Acetone. I tried an electric impact wrench wich does not slip off the bolt but did not budge it either. The way I see it I have two options. Take it to a shop or try to break or cut the bolt off. If I cut the head of the bolt off, will I be able to remove the cat? From what I've seen, it looks like the flange it threaded so I would think it still wouldn't come off. Anyone have any other ideas? Thanks, Matt |
I had to use the dremel with the extension on one of my bolts. Ened up using the diamond coated cutting/routing bit thing. Took about 15 minutes but it did the job.
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By breaker bar I mean a socket wrench with 3ft handle. I also have a 4ft piece of pipe "cheater bar" that I can use to extend it. However, it gets pretty awkward to use by myself. I might take one more crack at it with a friend. If that doesn't get it I can drill into the head of the bolt with a tungsten carbide dremel tip. And then I should be able to break the head off. Can someone confirm that I can remove the cat with the demon bolt shaft still in there? I don't want to cut the head off and find that the shaft is actually threaded into the header side of the flange.
Thanks for the input so far. Edit: I just got the driver side off. The passenger side is pretty well stripped. Going to have to cut. |
After reading this whole thread I feel like I'm heading into a thunderstorm with nothing but an umbrella.
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I even sprayed the bolts down a week before getting my TP's
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