Vehicle & Technical > Discovery

Changing Brake Discs

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muddymart:
can i ask , how do you know if youve got the correct pre-load on the swivel, im fairly confident in changing the bearings and checking play,just the preload? if anyone can add to this thread.
Thanks
Martin

Budgie:
To check the swivel pin bearing pre-load you'll need a spring balance, one used for fishing is fine.
With the swivel housing seal removed attach the spring balance to the track rod ball joint hole and pull the housing with even pressure using the balance and read off what it takes to move the housing.

If it's set correctly then is should read 1.16 to 1.46 kg (2.56 to 3.22 lbs or 11 to 14N).
Should the pre-load need adjusting, remove shims from under the top swivel pin to tighten and add shims to loosen the movement. Remembering to re-tighten the top pin before measuring the pre-load again though.  :wink:

If you need extra shims then they are available at most Land Rover parts shops.

Once the correct pre-load has been obtained, refit the swivel seal and refill the swivel housing with EP90 or Swivle grease.

muddymart:
i take it one like this

connect it like u said and pull upwards till the swivel moves?

Henry Webster:
Worth getting the preload right too, because this is one of the things that can influence steering shake on a Land Rover.

H

muddymart:
:shock: yes, and iv'e got serious shaking going on :-({|=

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