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  #1  
Old May 31st, 2006, 11:34 AM
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Marc
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Rotor question

When replacing the rotors on the D90, is it easier to tap the rotor out from the hub when still on the vehicle,
compared to pulling the whole assembly out, then seperating the rotor from the hub?
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  #2  
Old May 31st, 2006, 11:57 AM
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You can't get them off when the hub is on the vehicle. I wouldn't want to be whacking on a rotor when it's on the vehicle, anyway, lest the bearings get damaged.

The rotors aren't that difficult to get off the hub. Take the bolts out, hit the rotors with a hammer a few times (you are throwing them away), and they'll come off.
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Old May 31st, 2006, 11:57 AM
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Robert Dassler
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The rotor is bolted to the hub. You have to take the hub assembly off to access the bolts.
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  #4  
Old June 1st, 2006, 12:28 AM
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Marc
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Ok, got it , will do. Thanks!
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  #5  
Old June 1st, 2006, 12:21 PM
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Hans Haase
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Rotors come off very similar to most domestic 4x4's from the 1970's and 1980's. You need to pull the whole hub off since the rotor is behind it. But instead of putting it all on a hydraulic press like on a Jeep or a Chevy..... on Defenders it's bolted from the backside. Then just a few whacks with a soft faced deadblow hammer to loosen it up.

You will need the hub wrench, and I can't remember if the hub bolts are 6pt or 12pt heads on them.

-Hans
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  #6  
Old June 2nd, 2006, 11:35 AM
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Like Barry said you are going to throw the old ones away. I had to wack at mine for awhile with a hand sledge before the rust seal finally gave way. I would never try this while they are still on the vehicle.
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Old June 2nd, 2006, 11:40 AM
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I think I remember someone once saying they bolted the hub to a tire so they could stand on the tire to hold everything in place while they whacked it with a hammer. I just stuck it in a big vise and whacked the rotor with a 4lb sledge.
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Old June 2nd, 2006, 06:18 PM
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Yeah there was some good info on bolting it to plywood or a used LR wheel and tire. I think I'm pretty set on starting the job; all four wheel bearings , drilled rotors, pads etc.. I've been tool accumulating for the job, starting to feel less intimidated about it. I wrench as much as I am able myself. But brakes and bearings always intimidated me a little.
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