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Author
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Topic: Brake Issues
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GTRocks
Gearhead Posts: 4800
From: Lusby, MD
Registered: Jun 99
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posted 03-14-2006 07:04 PM
 
I'm going nuts with these brakes on the Saleen. I have had some serious chirping going on for a while now, but only on the passenger side. I just had the rotors on that side, front and rear. Fronts were especially bad (had to run them through twice!). I expected that they would be all good after getting turned. The rear is chirping like mad still. I decided to buy some new pads (by the way, the rear brakes on a Saleen are stock GT equipment). I went to put them on tonight, and I'm thinking they're not installed correctly. I can't figure out the mechanism by which the pads are pulled back off the rotors after letting off the brakes. On the back of the pads there are three circular rises. On the caliper piston there is an indentation that looks like it might should line up with the circular riser. Unfortunately, they don't. They are off by probably 5 degrees, and there isn't enough play in the system to make them line up, unless perhaps a screwdriver and a persuader would spin the piston? Should they line up?There are metal clips on the edges of the old pads...do you transfer those over to the new ones? What purpose do they serve? Can't seem to gain enough clearance between the pads to get them back over the rotor. I used a C clamp to back off the piston as far as it would go, but still can't slide them in. I'm thinking that if the circular riser would line up, I'd buy more clearance. Am I on the right track? Why is this so hard!??! 
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SteveLaRiviere
Administrator Posts: 48752
From: Saco, Maine
Registered: May 99
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posted 03-14-2006 07:11 PM
Ah, you need this windback tool Craig speaks of in this thread:https://mustangsandmore.com/ubb/Forum4/HTML/000696.html ------------------
'70 Mustang Mach 1 - '70 Mustang Convertible - '72 Mustang Sprint - '94 F-150 XL
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GTRocks
Gearhead Posts: 4800
From: Lusby, MD
Registered: Jun 99
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posted 03-14-2006 07:17 PM
Thanks, Steve!  Back to the garage to experiment...I bet if you spin that piston to crank it back in, that'd also allow you to line up the circular riser...hmmm..... Needle nose, huh?!?! 
[This message has been edited by GTRocks (edited 03-14-2006).]
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GTRocks
Gearhead Posts: 4800
From: Lusby, MD
Registered: Jun 99
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posted 03-14-2006 07:26 PM
Yeah, I think that's the answer....I turned it about 10 degrees with the needle nose, but I'm going to chew it up (they slip). I'll run by AutoBone tomorrow and see if they'll lend me one.I'm still confused about how the pads get pulled back off the rotor when you let off the pressure, and if I need those little metal clips at the ends of the pads. Can't see what purpose they serve either. Man, I need a shop manual!
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68F100
Gearhead Posts: 2835
From: Burlington, Iowa
Registered: Oct 99
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posted 03-14-2006 07:55 PM
From my little bit of knowledge about working with disc brakes, they don't have any mechanical way of "backing off". From what I can tell they almost ride on the rotor. If there is a way they should back off, I'd sure like to hear about it too.I'm pretty sure those metal clips are anti-rattle clips. You'll want to transfer them to the new pads. Hope that helps a little. Good Luck.
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