Supe Posted April 17, 2006 Share Posted April 17, 2006 Was working on my car for four hours today and finally finished replacing the Driveshaft but the driveshaft nut does not screw on now because I hammered the end of the driveshaft (lightly 3-4 times) to get it out the hub (arse). The nut thread is rounded halfway (the part I attempted to screw on). I have a spare nut lying around but don't want to waste that one. What do you guys reckon? Should I use a file to straighten the thread a little or can I use the end Part of my old Driveshaft (the spline end that goes into the hub, big round part). Link to comment Share on other sites More sharing options...
smithn05 Posted April 17, 2006 Share Posted April 17, 2006 Tidy up the thread on the new driveshaft would be my course of action. Once the driveshaft nut is on it will be past the 'bad' part of the thread (as long as it is just the first couple of threads or so) and will not have any adverse effect. Make sure you tidy the thread enough that the nut will screw on without any extra force otherwise you might end up knackering the thread on the nut with damage to the driveshaft as well. A crossthreaded driveshaft nut is NOT what you want!! Link to comment Share on other sites More sharing options...
smithn05 Posted April 17, 2006 Share Posted April 17, 2006 Something I forgot to add, when whacking out a driveshaft etc leave the nut on just undo it until it is flush with the end of the shaft, it wont damage the thread then when you hit it, and even if it does you can undo the nut over the damaged thread and 'remake it' Link to comment Share on other sites More sharing options...
Supe Posted April 17, 2006 Author Share Posted April 17, 2006 Thanks mate, will have a go tommorrow. Link to comment Share on other sites More sharing options...
weinelm Posted April 17, 2006 Share Posted April 17, 2006 Yeah, you should be able to sort the thread with a file. Getting hold of a few needle files may be your best bet. A copper mallet can be useful for separating shafts, ball joints etc, as it has a soft face that won't ruin the threads. Link to comment Share on other sites More sharing options...
RobSheffield Posted April 17, 2006 Share Posted April 17, 2006 or maybe a rubber deadblow mallet Link to comment Share on other sites More sharing options...
Lucifer Posted April 17, 2006 Share Posted April 17, 2006 Re tap it. Link to comment Share on other sites More sharing options...
Jake Posted April 17, 2006 Share Posted April 17, 2006 Re die it (Sorry MJ, couldn't resist) Link to comment Share on other sites More sharing options...
Supe Posted April 17, 2006 Author Share Posted April 17, 2006 hmmm, how much would re-tap and re-die cost me if I was to do it myself. How much are the tools and woluld I be able to fix it on the car instead of taking the whole thing out again. What exactly are the tools called ? Thanks in advance Link to comment Share on other sites More sharing options...
b_have Posted April 18, 2006 Share Posted April 18, 2006 Die is like a big nut (sorry Jake) Link to comment Share on other sites More sharing options...
Jake Posted April 18, 2006 Share Posted April 18, 2006 Die is like a big nut (sorry Jake) Huh? Why the "Sorry Jake"? A die is what he'll need, right? Link to comment Share on other sites More sharing options...
bromy Posted April 18, 2006 Share Posted April 18, 2006 Is there enough of the thread protruding to be able to hacksaw the damaged portion off, although it will be probably heat treated and hard as hell Link to comment Share on other sites More sharing options...
JohnK Posted April 18, 2006 Share Posted April 18, 2006 I doubt many engineering firms will have a die that size as you would normally cut a thread that size on a lathe, and if its anything like the rest of the car it will be fine pitch too. You would be better off with a die nut rather than a die. Another option is to buy some thread restoring files try http://www.cromwell.co.uk search for METRIC INT/EXT THREAD RESTORER SHR-017-9020C Link to comment Share on other sites More sharing options...
JohnK Posted April 18, 2006 Share Posted April 18, 2006 Oh and NEVER EVER hit a thread with a metal hammer! Link to comment Share on other sites More sharing options...
LeeT Posted April 18, 2006 Share Posted April 18, 2006 you may as well just buy another drveshaft off me. can do one cheap and am not too far from you:) Link to comment Share on other sites More sharing options...
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