wheel bearings

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first which model year of disco have yu got. Later ones don't have a drain plug and are filled with grease. I discovered this after spending 20mins scrubbing an R reg disco hub spotless in order to find the missing drainplug :doh:

The front hubs are different in that they have a CV joint. where as the reaars don't. Get an haynes manual and you won't have any trouble with them.
 
Correct me if I'm wrong but if oil comes out the axle tube when you pop the hub off it normally means the stub axle seal has gone and needs replacing.

your bearings should be packed with grease as should the centre of the hub. Do a search there was a similar thread not that long ago, should answer all your questions.
 
redhand said:
first which model year of disco have yu got. Later ones don't have a drain plug and are filled with grease. I discovered this after spending 20mins scrubbing an R reg disco hub spotless in order to find the missing drainplug :doh:

The front hubs are different in that they have a CV joint. where as the reaars don't. Get an haynes manual and you won't have any trouble with them.
Click to expand...

its a 300 model i have a manual. I am doing the front ones but do i have to drain the oil before i start or not
 
Dent said:
remove drive flange, brake caliper, remove hub nuts and hub should slide off.
Click to expand...

You wrote the Haynes book of lies didn't ya!!;) You forgot to say reassembly is the reverse....

Most of teh time it is that simple but sometimes the bearings can stick a bit on the stub axle especially if the bearing is completely goosed and has got hot. I have seen inner races friction welded to the stub axle which is a bit of a challenge. Hopefully you will have no probs. Make sure you fit new grease seals and that you put them in the right way round and seat them at the correct depth according to whichever manual you use.
 
classic kev said:
You wrote the Haynes book of lies didn't ya!!;) You forgot to say reassembly is the reverse....

Most of teh time it is that simple but sometimes the bearings can stick a bit on the stub axle especially if the bearing is completely goosed and has got hot. I have seen inner races friction welded to the stub axle which is a bit of a challenge. Hopefully you will have no probs. Make sure you fit new grease seals and that you put them in the right way round and seat them at the correct depth according to whichever manual you use.
Click to expand...

I have a oem bearing kit so every thing is there apart from grease and oil.

I dont think my bearings are going to be had to remove for I can wobble my wheel a substantial amount on the ground
 
demitrious1973 said:
I dont think my bearings are going to be had to remove for I can wobble my wheel a substantial amount on the ground
Click to expand...

If the bearing is that bad it could well be nasty in there. Have a careful check of the stub axle. make sure you pack the bearings and hub with grease. Dont just smear a bit around the bearing, you need to put plenty in there. Same for the hub.
 
classic kev said:
If the bearing is that bad it could well be nasty in there. Have a careful check of the stub axle. make sure you pack the bearings and hub with grease. Dont just smear a bit around the bearing, you need to put plenty in there. Same for the hub.
Click to expand...

Why do you need so much grease? When I was an apprentice many years ago I was taught that it is bad to over grease bearings, you just need to lubricate the moving parts between the inner and outer races. What's with packing the hub with grease?
 
Richard Martin said:
Why do you need so much grease? When I was an apprentice many years ago I was taught that it is bad to over grease bearings, you just need to lubricate the moving parts between the inner and outer races. What's with packing the hub with grease?
Click to expand...


It slows down the amount of water that gets sucked into the hub, everytime yu go wading..:eek:
 
Richard Martin said:
Why do you need so much grease? When I was an apprentice many years ago I was taught that it is bad to over grease bearings, you just need to lubricate the moving parts between the inner and outer races. What's with packing the hub with grease?
Click to expand...

If I remember well, the manual says to pack hub and bearings but also, there is plenty of room in a landie hub for the grease to expand when it gets hot unlike the small hubs on other vehicles.

Like Redhand said, it also helps to have lots of grease for when you fill 'em up with water when you take it swimming:D.
 
Have a good look at the grease inside the hub, if it is almost (or is) oil then as mentioned you need to replace the halfshaft seal, not a ten minute job.

regards

Dave
 
Just to be clear...

So the bearing gets greased up, got it, not a problem.

So when you take the shaft out and that oil comes out what is that?? Is that just old grease turned into oil over time with temperature and sucked in water?

After doing the disks and pads I want to make sure all is lubricated as it should be.

The diff is topped up (well, the front one is, couldn't undo the rear one to top up) and the bearings are greased up (I need to replace them soon) so is that it? Do I need to put a load of axle iol in there?? Having problems locating my Haynes and I'd prefer not to learn this lesson after having something melt or snap halfway through a big puddle or up a hill

Ta
 
stretchie_ said:
Just to be clear...

So the bearing gets greased up, got it, not a problem.

So when you take the shaft out and that oil comes out what is that?? Is that just old grease turned into oil over time with temperature and sucked in water?

After doing the disks and pads I want to make sure all is lubricated as it should be.

The diff is topped up (well, the front one is, couldn't undo the rear one to top up) and the bearings are greased up (I need to replace them soon) so is that it? Do I need to put a load of axle iol in there?? Having problems locating my Haynes and I'd prefer not to learn this lesson after having something melt or snap halfway through a big puddle or up a hill

Ta
Click to expand...

Oil from the differential (EP 90) can pass the seal that is at ech end of the axle tube, this oil can contaminate the bearings by running along the shaft passed the seal into the hub where the bearings are housed, more a problem on the rear as the front it tend to contaminate the swivel housing which used to be EP 90 anyway but nowadays tend to have been filled with 'one shot' grease.

regards

Dave
 
You are a dude. I was concerned at first that when I removed the shaft from the rear that there was not much oil knocking around, as on some write ups there seems to have been loads.

So for me that just means that either:

A: My seals are OK
or
B: There is no oil in the diff ; )

I really do want to open the bolt on the rear diff (you know, the one you use a 1/2" drive on) but stuck solid.

Might plusgas the crap out of it for a day or two and try again
 
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