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Exhaust 300tdi removal

Discussion in 'General Land Rover Forum' started by BostonTar, Nov 26, 2021.

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  1. BostonTar

    BostonTar Member

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    Trying to remove my old exhaust and replace but having issues getting this nuts offs. Can I cut them? As I can’t see how they will fall out. They look attached to turbo? Or do they have to be left for new exhaust pip to slot onto?
    Photo attached, thanks.
     

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  2. Kev12

    Kev12 Well-Known Member

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    Its much easier if you can leave the studs undamaged as any you cut or break off will need to be replaced. A nut splitter could be useful although I'd probably get them hot and use a really good fitting socket.
     
  3. BostonTar

    BostonTar Member

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    Managed to get two off. The third one at the back is rounded and beyond repair. Could I just drill it out and spot weld a new thread in?
     
  4. neilly

    neilly Well-Known Member Full Member

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    Have you tried hammering home an irwin nut remover? if you can clear the thread, or even a long series smaller socket to get a bite?

    Cheers
     
  5. kevstar

    kevstar Well-Known Member Full Member

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    That will need heat to remove it, heat the flange round the stud that the rounded nut is on then
    heat the nut & hammer a smaller socket onto it or irwin, better with an impact socket a normal one may
    split. If you cut it off you can use a stud extractor to get the rest of the stud out. If youve got no
    heat run the engine for while & hammer the socket on the stud, it may shift.
     
  6. BostonTar

    BostonTar Member

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    Purchased a nut splitter but I’ll try the heat gun first. I’ll update here when solved! Cheers all!
     
  7. Ratae

    Ratae Well-Known Member

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    I find a Dremel (or similar) with the flexible extension & the small reinforced cutting discs very useful for cutting things - incl nuts - in tight spaces.
     
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  8. BostonTar

    BostonTar Member

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    Update: No luck had to cut it! The nut cracker didn’t fit behind the stud. Probably the original nut since 1996! Thanks for the help however, useful tips!
     
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  9. v8250

    v8250 Well-Known Member

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    Soak nuts/threads with Plus Gas for a couple of days. Then apply heat using MapGas [butane's not hot enough] then crack off. They can be buggers to remove and the stud will often come free with the nut. Although a tight space it is possible to get a bar onto the socket head, it only needs the first crack to release, then back to ratchet and long socket. Buy all new nuts, washers and studs to do a proper job applying liberal amount of ceramic grease/copperslip upon reassembly.
     
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