Exhaust stud removal tips?

[wolfo68]

So I'm trying to remove my exhaust studs and I can't seem to get a tool to grip on them very well. Anyone have any tips on this?

The studs are not broken, I'm just replacing them.

 

[Negative]

Soak them puppies in penetrating oil ... and try threading two nuts on the studs and using them basically as jam nuts to get a grip on the stud ... understand what I'm trying to say??

 

[Negative]

Does like ... every thread I touch die so quickly? ... =\

 

[stensg]

Well when you answer them with the correct answer... Yes..

 

[Negative]

......... Hmm ... well i'll be damned ... never thought about it like that ... Lol guess i'm just used to retarded banter and the occasional keyboard mechanic posting something totally opposite of what I say right after I post ... the Honda and Yamaha forum squids never cease to amaze me at what some people will come up with and how wrong it can be sometimes ...

 

[wolfo68]

Tried that with no luck.

 

[stensg]

Awe i may have a argument for you. After rereading his post he can't get a tool to grip the stud meaning one of two things. 1. Not enough stud to grip let alone get two nuts on it. 2 if there was a bunch of stud sticking out well he's now buggered them up trying to get something to grip them. Argument commence

 

[Negative]

Uh oh ... Hmm ... Well without really messing up the threads on the stud I can't really think of anything else right off the top of my head ... did you try heating them up with a propane torch or something of that effect to try and expand the metal a bit?

 

[stensg]

Damn wolf you posted while i was writing

 

[stensg]

have you tried hammering strait in on it to jar it loose? Possibly hammer the end while gripping it and trying to turn it?

 

[anrkizm95]

heat,spray,soak and repeat numerous times then stud remover or visegrips

 

[jetlee]

Weld a nut onto what's left. Proceed to wrench it out.

did you try heating them up with a propane torch or something of that effect to try and expand the metal a bit?

This is a good idea, but there's an issue. While aluminum has a higher thermal expansion coefficient, the head has a lot more volume of material and will take longer to reach the same temperature as the steel stud, if ever. What will happen is the stud will expand quickly and lock itself into the head until you bring the whole head up to temperature.

Aluminum dissipates heat faster than steel, and the head being so large it dissipates very fast. The small steel stud will get very very hot and expand while the head stay comparably cool.

Beyond that, heating the head unevenly while it's under tension by the studs is asking for a blown head gasket and warped head.

 

[wolfo68]

I've tried using two nuts, soaking in penetrating oil before of course, heating, welding a nut on it (it broke free and came right off) the threads still seem to be okay though.

I really can't get a tool to grip it because the one I'm focusing on right now is the front stud that's tucked away into that top corner.

 

[jetlee]

welding a nut on it (it broke free and came right off)

Use higher amperage, you didn't weld it properly.

I've done it, twice, it works.

 

[anrkizm95]

Use higher amperage, you didn't weld it properly.

[up]

 

[wolfo68]

Unfortunately the welder I have access to isn't the most functional, the wire feed is fidgety which is probably why my weld didn't work.

 

[wolfo68]

Purposely crossthreaded the wrong pitch of a nut on it and it backed right out with the nut.

 

[stensg]

[up]

 

[Negative]

Well ... that's one way to do it !! ... lol [up][up]

 

[BuellSki]

I've seen guys heat them up. And then wipe a parafin candle over the stud. The candle wicks into the threads and acts as a lubricant. But. Glad you got it out