Disc brake help.

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tekslk

tekslk

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I have a 67 barracuda and we just put a disc brake conversion on it. I'm very happy with it but. While driving usually in town I here a noise up front in the brakes, if I lightly apply my foot to the brake it goes away and may stay away for 10-20 miles, it is very intermittent You never know when it will do it, brakes work great just this noise that's driving me crazy, and help or suggestions on what to do? Thanks in advance.
 
What style brakes did you install?
Factory type, 4 piston Kelsey Hayes, small bolt pattern brakes?
Or, convert to large bolt pattern?
Slider type calipers, or pin type?
Need to give us lots more information, for any kind of diagnosis answers.
 
They are a small brake bolt pattern caliper, I got them on ebay I asked the guy who sold them if I need lining what do I do he said go to a parts store and ask for a 77 aspen or volare. They used a crush washer instead of large ball joint. The noise is like a severe chatter or something.
 
Small bolt pattern, ebay
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Does this help?
 
The noise is more like a chatter, but I inspected and couldn't find anything, its intermittent, comes and goes I can be going straight or slow turns and it comes whenever it wants.
 
Well you have "Slider" type calipers.
When you installed the pads to the caliper body, did you bend down the taps on the pad to seat to the caliper body?
To me it sounds like your pad is moving around.

I recently heard a vendor is selling that "kit" with custom rotors for 4 inch bolt pattern.
Guess you didn't have to change your existing wheels.
 
Tabs are bent over, I played around with things and the only thing I can find is if I pull back on the lining where they are loose I get the metal to metal sound that I here, so I took pads off and put some red silicone on the back side of them where they hit the caliper and will see If that fixes it. I drove it about 4 miles tonight but that may not be far enough to see I will know more this weekend.
 
Instead of silicone, try the blue goo they sell at all auto parts, usually in a little tear pack at the counter. It is an alcohol-based mixture, similar to Permatex "gasket sealant". Most pads for newer cars come w/ a plastic pad on the back to prevent chatter, but I still smear the goo. I assume you lub'ed the caliper sliders. There is a special packet for that (silicone grease?), also usually at the counter. I haven't worked on 73+ A-body calipers, but re-installed the calipers on my 96 Voyager yesterday, which has rubber bellows to protect the slider bolts and grease.
 
BillGrissom said:
Instead of silicone, try the blue goo they sell at all auto parts, usually in a little tear pack at the counter. It is an alcohol-based mixture, similar to Permatex "gasket sealant". Most pads for newer cars come w/ a plastic pad on the back to prevent chatter, but I still smear the goo. I assume you lub'ed the caliper sliders. There is a special packet for that (silicone grease?), also usually at the counter. I haven't worked on 73+ A-body calipers, but re-installed the calipers on my 96 Voyager yesterday, which has rubber bellows to protect the slider bolts and grease.
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I have that membrane stuff in red, so maybe it's not really silicone but the brake stuff he's using.
I'm with you on always using it with discs, I don't care what else they send with them.
First thing I do on the brake job is pull the pads out of the box and coat the backs of the pads and set them off to the side and start disassembling.
 
Well long ride tonight and no noises, I guess it just needed that little tender loving to fix it up.
 
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