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Author Topic:   Need brake help
68F100
Gearhead

Posts: 2386
From: Fort Madison, Iowa USA - United We Stand
Registered: Oct 99

posted 04-13-2005 06:50 PM     Click Here to See the Profile for 68F100   Click Here to Email 68F100     Edit/Delete Message   Reply w/Quote
Hi guys,

I replaced the front pads and rotors on my 81 a couple months ago. The other night coming home from work, I had a terrible grinding/squealing noise from the driver's front.

I got it up on a jackstand and wheel off. Rotor and pads still look ok. It has alot of drag though. The pads are pretty much touching the rotor making it fairly hard to turn by hand. I know the pads are supposed to be close, but TOUCHING close? That can't be right can it?

I smacked on the caliper with a hammer a few times trying to see if maybe it was in a bind. The drag was a little less, but not much. I'm wondering if the pads I got are too thick, or if the piston isn't releasing.

Any thoughts?

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MLariviere
Moderator

Posts: 3987
From: Biddeford,Me.USA
Registered: May 99

posted 04-13-2005 08:57 PM     Click Here to See the Profile for MLariviere   Click Here to Email MLariviere     Edit/Delete Message   Reply w/Quote
Did you put the pads in completely dry? They need to move about on the guides. I put a little nevaseize {sparingly} in those areas so things don't bind up. When you pull the caliper to do this,check to see if the piston is cocked to one side also. HTH

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68F100
Gearhead

Posts: 2386
From: Fort Madison, Iowa USA - United We Stand
Registered: Oct 99

posted 04-13-2005 09:46 PM     Click Here to See the Profile for 68F100   Click Here to Email 68F100     Edit/Delete Message   Reply w/Quote
I put some high temp grease on all mating surfaces after I cleaned them up. Maybe that was the wrong stuff to use, huh?

I sprayed it down with brake cleaner and put it back together and went for a short ride. No noise, but the clearance seems strange to me. Are disc brake pads supposed to ride on the rotor when you aren't on the brakes?

I don't see any kind of adjustment like drums have(you can back them off so they don't drag).

Maybe I'm all washed up. This is my first time ever replacing/working on disc brake stuff.

Dumb question, but could I have too much fluid in it?

[This message has been edited by 68F100 (edited 04-13-2005).]

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