Morris Minor Owners Club

Hopefully not a dumb question...Is the nut used on the clutch fork pivot bolt a nylock nut?

I'm replacing the gearbox in my car. The old gearbox is now long gone along with the clutch fork et all. The replacement clutch fork I purchased did not include a nut, although I do have the correct pivot bolt. I'm trying to understand how the nut can be done up tight enough not to eventually vibrate off but still be loose enough to allow the fork to pivot. I'm thinking that it must be a nylock nut so that it doesn't come loose. If it's a standard nylock nut, I can pick one up at the local hardware store rather than having to place an order with one of the specialists shops.

I think you'll find the bolt head has a lock washer under it, as the bolt screws into a thread in the ally cover. The nut on thread that protrudes, has the addition of a spring washer in my case but a nyloc would probably be better, so as not to 'bind' the fork. Or maybe some Loctite retainer. ( manual shows a spring washer for nut and a lockwasher for the bolt)

Les
Your are right in that the bolt used should have the special lock washer fitted (Pt No: 2K5813 & item No: 5 in the diagram below)) but it appears not to be listed on the usual suppliers parts list. Moss state 'NO LONGER STOCKED'. The special bolt fitted is 5/16" UNF and a self locking/nylock nut will do perfectly well in place of items No: 4 & 6. If you fit a self locking nut there is no requirement for the special lock washer but if you have one use it. If I remember correctly the bolt passes through the one mounting flange and screws into the other. Nip the bolt up just tight enough to hold without putting any strain on the flanges and slack enough to allow movement of the lever. Hold the head of the bolt with a spanner, fit the self locking nut and tighten the nut until it is lightly nipped against the threaded flange, making sure that the thread of the special bolt has passed right through the nylock nut (best to use a shallow/reduced height nylock nut for this purpose). Do not over tighten or you may break off one or both of the clutch lever mounting flanges Job done.[frame][/frame]

Thanks. Will pick up a nylock nut.