Vehicle & Technical > Discovery

The famous vibration after doing a lift?

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nickW:
so are props and UJ's quite easy to change, im not worried about working on cars as i have done for years but i have never changed a prop or UJ

stratie:
Nic mate, the prop is an easy job  :wink:
Unlike fitting a lift kit  :lol:

nickW:
cheers for all the help budgie i managed to make it home just, it was the swivel pin preload you colud move the wheel about 5-8mm.

so how difficult is it the check the swivel pin preload, also the swivel its self seems pretty scratched and pitted on that side is it worth changing the swivel as well

Budgie:
If you feel it's bad enough then I would change it. Although it's not just the ball, you'll also need a new swivel seal, seal retaining plate, top & bottom bearings, maybe some new shims and a swivel-to-axle gasket.

To alter the pre-load:
Remove road wheel.
Remove the track-rod balljoint from the side you're working on so the swivel will pivert freely on the pins.
On top of the swivel you will see two bolts that also hold the flexy brake pipes. Undo & remove both bolts and you can lift the pin out. You will get some oil leaking from the swivel seal so remember to refill to the correct level when finished!
Under the pin there should be some thin shims (if there aren't any shims then new bearings will be required and you may as well do the whole thing!) Remove one of the shims and replace the pin & one bolt, tighten the bolt and check the play. If you have a spring ballance then there is a set poundage that is should take to rotate the swivel, I don't have my books with me so you'll have to look it up. Also I think the poundage in the haynes manual is with the swivel seal removed!

If the poundage is correct then replace the other bolt and the brake flexy plate and refill the swivel housing with EP90 to the correct level.

That should be you.  :wink:

Feel free to jump in if i've forgottedn anything folks, I'm doing this off the top of my head!  :D

nickW:
on the way home there was a noise like a dry bearing sort of squealy and scratchy and if i drove the truck over 35mph there was loads of vibration, with the wheel jacked up there is quite a lot of movement, i am bit worried that by driving the car the 30 miles home ive probably done  more damage due to the amount of play in it, its probebly worth changing the ball as it looks like it may well be on its way out as the one on the opposite side has no marks on it.

on the a plus side the prop and UJ's seem alright

is there any way of setting the preload with out a spring balance, also where can you buy them from, the last place i remember seeing one of those was science lessons at school

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