Diagnosis
How to Tell a Wheel Hub Bearing Is Failing
Humming that changes with steering load, play at the 12 and 6 o'clock positions, and an ABS light that comes and goes. What each symptom actually means.
Technical notes
How these parts fail, and how to buy them
No company news. Only the things a distributor or workshop actually looks up.
All notes
5 notes
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Product knowledge
Generation 1, 2 and 3 Hub Bearings Explained
Three designs, three fitting procedures, three different reasons a workshop chooses one over another. What a distributor needs to know before quoting.
Sourcing
Why Some Chinese Hub Bearings Fail Early — and What to Ask a Supplier
The reputation is not baseless. Three specific things go wrong, all of them visible in the bill of materials — which means all of them are questions you can ask before you buy.
Catalogue
Reading Wheel Bearing Cross-References: OE Numbers vs Aftermarket Numbers
An SKF VKBA number, a FAG 713-series number and a VW 1K0 number can all describe the same bearing. Which one to search, and which one to quote.
Platform guide
Audi and Volkswagen Hub Bearing References: A Working List
The VAG platforms now hitting hub bearing replacement age, and the reference families that cover them.
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