I think I've done something wrong in reassembling my front right hub, etc but can't see where.
I'm using hubs from a 1275 GT with metro drive flange, vented discs and 4 pots. I've put in new bearings and new CV joints. On the left hand side all is good, but I noticed that there was some slop in the right hand side so I took the hub etc off and stripped it all down again. Couldn't see anything wrong so I put it all back together but still there is this slop. Before I bolted the caliper back on I noticed that I could pull the whole disc, drive flange, CV, drive shaft assembling back and forwards about 20mm in side teh hub. ie the hub doesn't move but everything inside it does.
I can't see anything wrong but this just doesn't seem right.
Does anyone have any ideas?

have you put the bearings in the correct way - opposing each other? (I know this sounds stupid but I have seen it done)

Daniel

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Well...apart from one hub being absolutely shot as far bearing location is concerned...different sized (new!) bearings/inappropriate bearings for that hub No circlip at the driven end

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"Show me the Mini!"

Thanks guys. Based on your comments, it could well be the hub. I had it powder coated but the place coated inside the hub where the bearings go, so I had to get a dremel and remove the powder coating. I was careful not to remove metal but the bearings are now fairly loose ie I still needed to use a large dowel to push them in to place but they weren't tight like on the left hand side. So maybe I did take out some metal. I didn't realise that the tolerances were that tight
I also didn't realise though that the bearings would stop the in/out movement of the assembly. I thought that worn bearings (and worn hub around the bearings) would be seen as side to side movement, but not back and forwards.

I'll also check again on the circlip on the driveshaft - but that's where it fits in the cv joint isn't it? Asking because the drive shaft doesn't move inside the cv - the whole lot moves, driveshaft, cv, disc, drive flange.
So it could be then that I took out metal from the hub around where the bearings seat?

I would assemble it all into another hub for test. Any hub will do.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

20mm of movement? Is there a decimal place missing? The cv butts up against the inner bearing race, the outer race of which butts up against a shoulder. The same is repeated on the drive flange butting up to an inner race which has an outer which butts up against the same shoulder of the opposing bearing. This prevents any slop occurring at all. There's no way (when the CV nut is tightened) that the assembly can move in and out by 20 mm.

I would check all your components, in particular the drive flange you are using and the splines on the CV.

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SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.

Thanks guys - yeah there really is that much movement (20mm). The bearings aren't real tight in the hub, but there isn't really much sideways movement. Its most back and forwards.

Mick, what you've desribed is really what's beating me. But maybe there is something stopping the splines on teh CV going all the way into the drive flange. But I did check the drive flange. Really can't see what the problem is.

I'll have another go and then I think I'll have to take it in to minibitz to get Lee to have a look at it.

What bearings have you fitted to the car? original roller bearings with the centre spacer seperate or the V-taper type with the built in spacer?

the outer race of the bearings should but up to a shoulder on the inside of the hub assembly and when fully assembled with the drive flange c/v etc etc there should be no sideways movement.........unless you have the bearings with the built in spacer on the inner race (V- taper type bearings) which can foul each other and cause this said movement you are talking about but it shouldn't be 20mm, maybe up to 5mm side ways movement especially when the drive flange/c/v nut has been tightend up.
Have you by chance forgotten to fit something to the assembly such as the tapered washer and or flat washerbefore you fitted the c/v nut?
have you got a drum brake c/v and drive flange instead of a disc brake c/v and drive flange?
Hope some of this info helps.

Cheers Scott

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