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Have been told that front wheel bearings are integral to the front rotors on 2009 Ford 150 and therefore can't be replaced separately. They can ONLY be replaced by replacing the entire rotor assembly. Is this correct? Sounds like BS to me, but it's a long time since I did any of this kind of work.

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It isn't integral with the rotors, but the bearings are integral with the hub itself. It comes as a unit, which attaches to the steering knuckle. The rotor is separate and attaches over the lugs (wheel studs) onto the hub. You cannot change out just the bearing itself from the hub, at least they really aren't made that way. This is very common on modern day pickup trucks, as I know my '06 Silverado is setup the same basic way (I'd bet the Dodge Ram is too, but don't know for sure). To say it is common would not be out of place. I think this is probably what the person who you talked to meant, but didn't explain it very well.

Below is an image for your truck (2WD version shown - Image from RockAuto.com):

enter image description here

  • Thanks for the feedback and especially the picture. I'll compare to the old hubs when I pick up the truck from the shop. This is definitely different from I used to work on - years ago! :) – Rob Slough Feb 7 at 22:16
  • There are vehicles that this does exist, I own a '95 Ford Bronco with this nightmare, and I'm sure the F150s and similar from that era are the same. The simple solution is to buy new rotors with the tapered bearing cups already pressed in. They are a high-wear item, so it sorta makes sense. But what a pain! You could press out the old races if you have the right tools, but it's tedious and prone to mistakes. BUT ... you're in luck; well before 2009 the idea was abandoned. On some Toyota 4 Runner/Nissan Pathfinder vehicles, the rotor is bolted to the hub from the inside. Yuck. – SteveRacer Feb 8 at 3:17

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