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RUST is holding them on...
Posted by Bruce (more from Bruce) on Sun, 7 Dec 2003 10:52:55
In Reply to: Front Rotor won't come off, 93Gator, Sun, 7 Dec 2003 10:28:49
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The only thing holding that rotor on is RUST around the edge of the hub and on the backside of the rotor. It's not necessary to remove the hub nut (and you'd be in for quite the grunt work if you've never attempted THAT one! It's torqued to well over 100 ft/lbs)
Oh, and once you get the rotor off (or if you don't and you have to put it back together), clean off all the rust penetrant with brake cleaner
Get a can of rust penetrating fluid (Liquid Wrench, PB Blaster, etc). WD-40 works too but it's not ideal. Empty half the can all over the rotor and try to get some in between the rotor and the hub by spraying it in the bolt holes and from the back. Let it sit for a little while and then get a rubber mallet or block of wood and start beating the rotor around the edges.
Resist the urge to use a hammer (or sledgehammer) since that can damage the rotor and if you can't get it off you won't be able to put it back together to drive to the mechanic. I once saw a mechanic bust a rotor in half with a sledgehammer (leaving the center still rusted to the hub)... Then he got out the blowtorch... ;-).
posted by 24.218.28...
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