New front bearing question-
Thread Starter
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Senior User
Joined: Sep 2003
Posts: 113
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From: Hampstead, NC
New front bearing question-
I am no mechanic, so don't laugh. I just replaced the front bearings on my 2000 f250 4x4 7.3. These are sealed units, so I assume that you are not supposed to lube them prior to install.
One month after replacing the bearing assembly, I am having the same noise now as before. Where did I go wrong??????? I have not jacked it up to see if there is any slack top to bottom or left to right yet, I am doing that today.
It is only an occasional noise, but sounds the same as the bearings going bad. Not speed dependent, seems to go away with brake pressure, kind of a metal on metal sound.
New mechanical hubs installed a few months back, so no factory hubs.
I did have a brake clip broken and grinding into the rotor before I replaced the bearings, and it had eaten my old rotor. That's what led me to check the bearings in the first place. I replaced the rotor and the pads at the same time as the bearings.
Also, I am seeing some excessive wear on the inside of the front left tire, with some vibration.
One month after replacing the bearing assembly, I am having the same noise now as before. Where did I go wrong??????? I have not jacked it up to see if there is any slack top to bottom or left to right yet, I am doing that today.
It is only an occasional noise, but sounds the same as the bearings going bad. Not speed dependent, seems to go away with brake pressure, kind of a metal on metal sound.
New mechanical hubs installed a few months back, so no factory hubs.
I did have a brake clip broken and grinding into the rotor before I replaced the bearings, and it had eaten my old rotor. That's what led me to check the bearings in the first place. I replaced the rotor and the pads at the same time as the bearings.
Also, I am seeing some excessive wear on the inside of the front left tire, with some vibration.
Posting Guru
Joined: Jan 2007
Posts: 2,174
Likes: 1
From: Millersburg, OR
You might want to just pull the it apart and check it out. I can't imagine a bearing going bad that quickly....and no you don't have to lube them prior to installation. Did you check your ball joints??? Did you check your slide pins for your brakes and lube them up?
good luck,
Steven
good luck,
Steven
Thread Starter
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Senior User
Joined: Sep 2003
Posts: 113
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From: Hampstead, NC
After further inspection, it would seem that the problem is in the brakes. The inside of the new rotor is worn more than the outside. Also, the rotor is sloppy on the studs. I mean that it moves back and forth about 1/8" during a change of direction. Isn't that rotor supposed to seat on the base of the studs? All of the parts are new from Ford.
