Front Shock Locking Cup

[Orange Rag]

Ok I'm new to the forum but it seems like the place to get the right answer to this problem.
I'm putting new KYB shocks on the front of a late 76 (5 speed) and the locking cap which should hold the shock from turning when you tighten down the nut is not locking and is allowing the shock to turn as I tighten the nut.
Is it common to change these lock cups when you change shocks?

[PeterTR7V8]

Welcome to the forum. Funny things happen on the way here all the time.

The cap was not designed to stop it from turning. It does have notches in it that you can jam a big screwdriver in & hold it against 1 of the 3 bolts that secure it to the strut tower while you apply a socket to the centre bolt. There is probably a special tool that does the same thing somewhere.

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[jclay (RIP 2018)]

The cartridge retaining nut holds the insert (cartridge) in the lower strut housing. This is followed by the bellows and the bumper stops.


This is followed by the compressed spring and the top housing.


Next, I use a pair of vice grips right at the top of the strut rod, below the upper housing to hold the rod as I install the top locking nut to the rod.



jclay

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[Orange Rag]

So I thought the flat spot on the cap and the flat side of the shock work together to stop the shock from turning. So I believe you are saying this is for removal only? And the vice grips are used in assembly?

[PeterTR7V8]

Sorry, I thought you meant the cap at the top of the strut. [:I]

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Done......./done./done....../done......../done../done/done/redone.../done/under way
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[Ianftr8]

Hi Orange,

You are correct the two flat spots should mate up, ie on the shocker and on the cup washer, the two cut outs are there to allow you to stop the whole thing turning whilst you are doing it up or taking it off again.
The cup washers do get worn in time and it is a worthwhile thing to make sure they are in good condition.

Cheers
Ian

Ian Freeman
1979 TR8 DHC California car that never crossed the pond, started life as KDU 315V.
1962 Triumph Courier

[Mowog73]

Very timely information. My setp-son and I took apart the front suspension this weekend and I was wondering how to keep the shock's rod from turning while tightening. Now I know - the cup washer.

Mark

1973 MGBGT, 1976 TR7, 1980 Spitfire 1500

[jclay (RIP 2018)]

I have found that that doesn't always work if the washer is in bad shape.



jclay

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[Orange Rag]

Thank for all the input, I'm ordering new caps. If anyone needs info on V6 converions Ive had more than enough experience with that also. (It's all good except the attention)