Front wheel bearing (hubs) - Mercedes Benz SLK Forum

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#1 Old 08-27-2018
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Front wheel bearing (hubs)

So my both front bearings are bad, they have too much play and im planning to change them. Did anyone here change them?


Shall i replace hubs aswell? Can be marked area on photo problematic?
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#2 Old 08-27-2018
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Did you try adjusting them first?

If not yes is not a bad job I change mine a few weeks ago.
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#3 Old 08-27-2018
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Originally Posted by i860 View Post
Did you try adjusting them first?

Worn or damaged wheel bearings are not (or better to say "should not") be adjustable. Adjustment is just for setting up new bearings.


Just because you can, does not mean you should!


If they are worn, then they are damaged, and need replacing.


How many times have they been "adjusted" already??



The surface treatment of modern bearing components is very shallow (tens of microns in many cases), and once worn away they will deterorate rapidly, or catostophicaly .
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#4 Old 08-28-2018
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They cant be adjusted anymore...
I just dont know if i should buy bearing kit (skf) or whole hub with bearings installed (swag).
Is damage on hubs (photo in first post) bad?
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#5 Old 08-28-2018
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If they have very slight play they can be tweaked / adjusted up .
Its a common thing for merc front bearings to have a very slight / play in movement after even if the car is a few years old .
Common practise is to adjust the the free movement up .

But all depends on a few factors is the bearing feel rough / is making a noise / mileage / loss of bearing grease / missing or punctured hub cap ?
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#6 Old 08-28-2018
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Changing the front bearings is pretty easy. If you wrench on cars at all you will be fine. It is just like most other RWD cars and took me 3-4 hours to do both and I wasn't rushing.
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