Vehicle & Technical > Discovery

Front swivel issues

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andyb:

--- Quote from: discopinky on August 28, 2008, 11:45:57 ---If put in new swivel pins, bearings and oil seals do I just fit them without shims and see if there is any play and add shims until no more play or should I not need shims with new bearings etc???

--- End quote ---

New swivel bearings will require more shims.

You will need to have the steering arms detached from the swivel and test the pull resistance with a 'spring balance'....bascially what fishermen use to hang fish on to weight them. Put the spring balance hook into the hole for the track rod end and pull on the other end (probably have a ring you can get a couple of fingers thru)

With the big oil seal in place around the swivel you should see 12lb of pull just before the swivel starts to move. Without the seal in place it is 4lb of pull just before the swivel starts to move. Makes sure that the bolts holding the pins into the swivel bearings are correctly torqued down before testing the resistance.

It is also worth starting with more shims than you think you will need or you might damage the swivel bearings themselves if the pins are too tight.

Hope all that makes sense :)

Les Henson:
I always put the old shims back on and then adjust it from there. Whenever I rebuild a swivel housing I always set the preload a bit too high. This is because it eases off once the new parts have bedded in.

Rebuilding a Disco front hub -

http://forums.lr4x4.com/index.php?showtopic=5601


Les.

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