Vehicle & Technical > Discovery

*edited* Brakes sorted, thanks all, especially RRB!

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Iain C:
She's sorted!

Went for a test this morning and thought about it objectively.  It was not the time between pedal presses, it was how much steering had been going on!  Out of a roundabout and the brakes were bad, 1 mile straight run and they were not too bad.  It was obvious that RRB was on to something with my hub, and as right handers were the worst, my money was on NSF.

Got home, gave it a wobble, still on the ground, and it felt very bad!  Jacked it up and I'm surprised the wheel stayed on really!  As soon as I took the dustcap off I remembered the endfloat shims that I had not been able to get back on (different thread), so I changed the seal (mangled!) and put a new wheel bearing in for good measure and she's as right as rain.

I checked all the others and they seem fine, however according to this picture from LR4x4.com, I put the NSF hub seal in the wrong way round first time.
 


By the looks of things, the pokey up inner piece needs to be pointing inboard, towards the diff, not out towards the wheel.  I'd done it with the "smoother" side facing inboard.  Problem is, I have a horrible feeling I may have done the same on the other hubs too, as I copied what I was taking apart.  Which could explain why the back wheel bearings were full of crud?

They obviously have not gone back together so badly that the hub endfloat is affected, but I'm worried about stuff getting in or out.  Is it just a case of keeping an eye on it and if I can't see any oil anywhere it's probably OK or shall I bit the bullet and strip them all...again...

Big thanks to Range Rover Blues for putting me on the right track...bit odd that with some more bleeding they had got a bit better, I reckon there was still air in there too...just to trick me!

Range Rover Blues:
A golden rule with oil seals is that the little spring holding the lip against the shaft (looks like a silver worm) is always inside the oil you are trying to keep in.  If you look at the oil seal and think that any pressure in the oil will cause the lip to be forced against the shaft whereas any vacuum will cause air to be drawn in.

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