So like the title states I want to remove the exhaust so that I can test fit the turbo manifold but the bolts and the studs look like they have seen the ww2. How can I undo them w/o drilling or at least whats the best course of action?
I take it you're referring to the manifold-to-head nuts and studs? The ones between the manifold and cat can just be given some sh~t with a long ratchet/small breaker bar - if they shear it's no big deal - you can substitute nuts and bots in needed.
The ones that go into the head- the nuts will often come off with a ratchet and six-sided socket. Often the studs themselves will come out of the head complete with nuts. They rarely shear (but they can).
Start with plenty of Plus-gas and a couple of days soaking.
Good luck - take it slow!
I cleaned mine up as much as i could with a wire brush then kept soaking them for a couple of days prior with penetrating fluid.
Quote from: Carolyn on April 10, 2023, 16:41I take it you're referring to the manifold-to-head nuts and studs? The ones between the manifold and cat can just be given some sh~t with a long ratchet/small breaker bar - if they shear it's no big deal - you can substitute nuts and bots in needed.
The ones that go into the head- the nuts will often come off with a ratchet and six-sided socket. Often the studs themselves will come out of the head complete with nuts. They rarely shear (but they can).
Start with plenty of Plus-gas and a couple of days soaking.
Good luck - take it slow!
Will vd40 work?
Plus gas is what you need. Wd40 doesn't have the same effect. you can mix diesel with WD if you can't get Plus-gas. Or there may be a proper penetrating fluid that's sold where you are? Aviation kerosene is pretty good.
I'd recommend a set of sockets like these. The best know brand is Irwin's, but this set is cheaper in the UK. Not failed on me yet. I suggest stainless studs when putting back together.
https://www.screwfix.com/p/erbauer-bolt-nut-remover-set-6-pcs/6083D?kpid=6083D&ds_rl=1244066&gclid=CjwKCAjw586hBhBrEiwAQYEnHRhULflGdOO6jY_a2e5hgIo8d1ijqfaqBCb1herE4vdM73znZ1vtExoCLMgQAvD_BwE&gclsrc=aw.ds
Quote from: Gaz mr-s on April 10, 2023, 17:58I'd recommend a set of sockets like these. The best know brand is Irwin's, but this set is cheaper in the UK. Not failed on me yet. I suggest stainless studs when putting back together.
https://www.screwfix.com/p/erbauer-bolt-nut-remover-set-6-pcs/6083D?kpid=6083D&ds_rl=1244066&gclid=CjwKCAjw586hBhBrEiwAQYEnHRhULflGdOO6jY_a2e5hgIo8d1ijqfaqBCb1herE4vdM73znZ1vtExoCLMgQAvD_BwE&gclsrc=aw.ds
I have a set of bolt outs like that which have worked well for these bolts.
I found that they work best when the bolt head is dry. Invaluable tool that has saved me more times than I remember.