Remove or trash?

[Schlagger]

Replacing my whole exhaust, and when i was removing the Y pipe a bolt broke in half. Its the bolt on the drivers side closest to the engine. Should I try to get that thing out or just replace the manifold?

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[436'd skylark]

It'll drill easy enough. Lace up your boots and fix it

 

[Schlagger]

At least you didnt tell me to put my big girl panties on. Any tips other than PBlaster?

 

[legopnuematic]

Welding a nut onto the studs is another way to get them out. some 6011 or 7018 blasted into it should do it.

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[Schlagger]

I dont really have anything to work with. It broke a few threads deep into the manifold.

 

[theblindchicken]

You could try one of the screw/bolt extractors, but i've never had a whole lot of luck with those. If you do try, use lots of pb blaster and heat it up with a torch to help loosen up the threads.

You can also just drill it out with a bit just undersized for the threads (go off of the bolt's shank diameter) then chase them with a tap.

There's more than enough meat in those flanges that you can drill all 3 of them out and then increase the thread size so you have all matching bolts on that manifold.