Re: [xj-s] Re: Upper steering column and Ignition cylinder

At 10:24 6/07/1998 -0700, Sean wrote: >As I indicated further down in my post, I determined that these were in >fact some form of shearing bolt (not having previously encountered them), >and that using a dremel to cut a notch in the top to simulate a screw head >would likely be sufficient to remove them without mangling anything on the >column. No offense, but it's a pity you didn't read the manual before you started; it would have saved you a lot of aggravation. The SOP is to use a centre punch off centre to make four equidistant marks, then use those to tap the screw out. I did that on my XJ12 in situ and it took about 25 minutes to remove the steering lock and put the new one in. Yes, one of the screws is a right bastard to get at, or it would have been quicker yet. I agree with your comment regarding the anti-theft aspect; an experienced thief would have that steering lock out in ten minutes and without doing any damage. The Allen screws (or maybe Torx?) are not a bad idea, especially if you fill the holes in their heads with a suitable putty after. Won't stop the thief, but might slow him down enough. An even better idea is to weld in a shield, so you have to remove the column to work on the steering lock... >On this topic, does anyone know where I might find a counter-clockwise >(oops, "anti-clockwise" for the folks back home), drill bit? That is, a >bit which drills when the drill is in reverse. I'd imagine there are such >beasts - I would think that they'd be rather useful when extracting bolts, >since if the bit could catch enough to set the bolt slipping (unthreading), >you're removing the bolt... The standard technique with a headless bolt is to drill a centre hole smaller than the base diameter of the thread and then apply a screw extractor, which is a tapered, hardened multi-thread (steep pitch) left-hand screw. You'll be able to get a set in any tool shop, but don't buy a cheap one -- they need to be made of extra tough steel. - Jan *** "If you don't know what you're going to do, you can do anything" -Solomon Einstein ***

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