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Author: Subject: secondary fixings....again
FASTdan

posted on 25/2/09 at 10:20 PM Reply With Quote
secondary fixings....again

Sorry to harp on about this but its the one area I really cant get my head around.

Ok, so I get that I need either castlated nuts with pins, wire or tab washers. What I dont get is where to draw the line, what needs it, what doesnt?

The SVA manual is vague in my opinion. I'm thinking all suspension, brakes + steering fixings - but then this becomes a complete strip down - for example, to do any of those on the wishbone pivot bolts (ie where they fasten to the body) will be a nightmare. And no production car I've ever seen has pins in this area.

People have mentioned caliper mounting bolts...but again, all the production cars I've ever owned havent had anything? Merely threadlock - which if allowed, why not use this on everything as its so easy - yet equally as easy to lie about?





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ReMan

posted on 25/2/09 at 10:24 PM Reply With Quote
Do you?
None of the above on mine, only Nylock nuts where appropriate.
Passed without a mention.
And for my own peace of mind I might? have put nutlock on the calipers, though I am not convinced that is 100% nessesary

[Edited on 25/2/09 by ReMan]

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adithorp

posted on 25/2/09 at 10:45 PM Reply With Quote
Nylocks are fine. You only need pins where thats what thet thread is designed for (ie.Transit balljoints).

My calipers are just thread locked like most/all tin-tops. Past without comment.

adrian

[Edited on 25/2/09 by adithorp]





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Chippy

posted on 25/2/09 at 11:51 PM Reply With Quote
The only split pins on mine are on the T/R ends as they came with castelated nuts. Rest are all nylock, not a mention was made at SVA. Cheers Ray





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Paul TigerB6

posted on 26/2/09 at 12:48 AM Reply With Quote
Hub nuts are the only ones that i can see a real need to have castelated nuts with pins, or tab washers on. As above, threadlock on the brake caliper mounting bolts, propshaft bolts etc.
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britishtrident

posted on 26/2/09 at 08:16 AM Reply With Quote
Avoid split pins like the plague.

Nylock nuts on everything except where a special fixing is provided. With Nylocs always make sure enough thread (3 turns) shows clear of the nut.

With Cortina upright caliper bolts spring washers are fine, however I always use a dab of blue Loctite (thats the non permanent version) as used on production cars.





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AndyGT

posted on 26/2/09 at 08:49 AM Reply With Quote
My local bolt suppliers/hardware shop say that usually nylock bolts are not hardened and usually only half as many threads thus inheritently weaker than standard bolts. So from that point of view I would prefer castle-lated (excuse the spelling) with split-pins or loctited standard bolts rather than nylocks nuts and bolts.

But the forces on most of these bolts (brake caliper, prop etc) are sideways and not on the bolt/bolt-heads so nylock should be sufficient.

[Edited on 26/2/09 by AndyGT]





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Dangle_kt

posted on 26/2/09 at 09:13 AM Reply With Quote
My caliper bolts are lock wired in place. Good that racing look... though Im not too sure about that dam metal head shaped thing the SVA man will use...
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