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| Front Wheel Bearings https://www.ausmini.com/forums/viewtopic.php?f=2&t=94031 |
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| Author: | glenndunn [ Thu Oct 20, 2016 3:46 pm ] |
| Post subject: | Front Wheel Bearings |
I have a noisy wheel bearing so time to replace, can anyone tell me the best type to use I have a Cooper S |
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| Author: | timmy201 [ Thu Oct 20, 2016 3:53 pm ] |
| Post subject: | Re: Front Wheel Bearings |
Timken tapered ones. Not the cheapest, but they are the best. |
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| Author: | drmini in aust [ Thu Oct 20, 2016 4:15 pm ] |
| Post subject: | Re: Front Wheel Bearings |
I have used aftermarket ones recently, they fit fine but I found spacers not quite right. One was .005" too thin and the other .006" too thick. Luckily I have a spacer collection, and a lathe. |
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| Author: | glenndunn [ Fri Oct 21, 2016 10:44 am ] |
| Post subject: | Re: Front Wheel Bearings |
Is there a " How To " for wheels bearing just had a look and could not see one, can someone tell me if its worth doing yourself or should I take to workshop and get charged $100 an hour |
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| Author: | drmini in aust [ Fri Oct 21, 2016 11:55 am ] |
| Post subject: | Re: Front Wheel Bearings |
glenndunn wrote: Is there a " How To " for wheels bearing just had a look and could not see one, can someone tell me if its worth doing yourself or should I take to workshop and get charged $100 an hour Look in the how-to forum, I wrote one up. Here- viewtopic.php?f=25&t=40640 |
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| Author: | 69k1100 [ Fri Oct 21, 2016 6:57 pm ] |
| Post subject: | Re: Front Wheel Bearings |
Pretty significant variances? And how do you turn them one the lathe? I thought they would be hardened? |
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| Author: | drmini in aust [ Fri Oct 21, 2016 7:26 pm ] |
| Post subject: | Re: Front Wheel Bearings |
The spacers are all soft. Both Timken and aftermarket. I was more surprised that one kit had a spacer .010" thicker than the other kit. Shows thickness variance between bearings. I have a Myford bench lathe it's ideal for this work. Genuine Timken bearing kits have a correct spacer always, provided the centre web in the hub is not worn. They are worth the extra $$. |
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| Author: | 69k1100 [ Fri Oct 21, 2016 7:37 pm ] |
| Post subject: | Re: Front Wheel Bearings |
Pretty impressive the hubs were held in such high tolerance (1thou) in the 1960's. For those playing at home that's 0.0254mm. Not bad, you'd need a surface plate to measure the thickness of the spacer. I thought I was being mad but I've held on to my spacers, but ditched the old bearings. Might come in handy. |
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| Author: | gtogreen1969 [ Fri Oct 21, 2016 7:57 pm ] |
| Post subject: | Re: Front Wheel Bearings |
The last set I replaced I took 4-5 thou off the spacers using sand paper. Just place the sandpaper on a flat surface and rub them in a figure 8 and circular pattern. Use a micrometer every 1 thou to check it is coming off evenly. Took about 5 minutes each. |
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| Author: | glenndunn [ Sat Oct 22, 2016 6:55 am ] |
| Post subject: | Re: Front Wheel Bearings |
Sounds like they can be lots of trouble I'm pretty handy can I change them myself or is it to hard, also what special tools are required ? |
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| Author: | Mick [ Sat Oct 22, 2016 7:42 am ] |
| Post subject: | Re: Front Wheel Bearings |
Simple tools are enough. You will need a large socket to take off the CV nut, and a ball joint splitter. Each can be had from supercheap easily enough. Also a couple of decent drifts if you don't have access to a bearing press. They tap into the hub quite easily. |
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| Author: | glenndunn [ Sun Oct 23, 2016 7:00 am ] |
| Post subject: | Re: Front Wheel Bearings |
Can it be done with the hub in or does it have to come out ? |
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| Author: | drmini in aust [ Sun Oct 23, 2016 7:10 am ] |
| Post subject: | Re: Front Wheel Bearings |
Has to come off the car. CV and driveshaft can stay. I made a plate that bolts to the wheel studs, it has a 1" thick steel handle. I hold this in the vice for assembly. Also very handy for doing balljoints... The spare holes were for other applications...  
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| Author: | Minicooper4me [ Sun Oct 23, 2016 9:43 am ] |
| Post subject: | Re: Front Wheel Bearings |
drmini in aust wrote: The spacers are all soft. Both Timken and aftermarket. I was more surprised that one kit had a spacer .010" thicker than the other kit. Shows thickness variance between bearings. I have a Myford bench lathe it's ideal for this work. Genuine Timken bearing kits have a correct spacer always, provided the centre web in the hub is not worn. They are worth the extra $$. Please excuse me for hijacking this topic but I feel it is relevant. Hey Doc, just a side issue. The spacer you refer to, is this the springy one that goes in before installing the inner bearing. It is about 5 mm thick, open at one end, springy like, with the inner cone up against it, not the other smaller spacer between the 2 bearings. Thanks. |
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| Author: | drmini in aust [ Sun Oct 23, 2016 9:49 am ] |
| Post subject: | Re: Front Wheel Bearings |
Nope that's just an inner seal spacer. Not needed as long as you don't push seal too far in. Tapered roller front bearings, both Timken and copies have a steel tube spacer IN the kit. This goes between the bearings. It is selected to give the right preload with a NEW hub. But problems can arise with 50 year old hubs if the bearings have ever spun and worn the centre web. |
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