RE: AAJ Disc Brake Sticks

Hole in pads for bolt to pass through?

From: 1962to1965mopars@xxxxxxxxxxxxxxxx [mailto:1962to1965mopars@xxxxxxxxxxxxxxxx] On Behalf Of Dodger7998@xxxxxxx
Sent: Monday, February 20, 2012 10:17 AM
To: 1962to1965mopars@xxxxxxxxxxxxxxxx
Subject: Re: AAJ Disc Brake Sticks - 20 Sec Video

So what is your approach on this? Are you going to address the issues or return the item?

In a message dated 2/20/2012 9:09:54 A.M. Central Standard Time, hoodoovoodooray@xxxxxxxxx writes:

Yeh, caliper is compressed. I think it's a geometry issue or the pads
are slightly too large. I found someone with the same issue and he
had this to say:
"
We had exactly the same problem with the AAJ set up. Like you more so
on one side than on the other...

The caliper is not supposed to touch the bracket but is free floating
on the bolts. Only the bushings in the caliper ears get tightened snug
against the bracket, the caliper itself is supposed to be able to
slide back and forth on these bushings so it can center itself on the
disc and have equal pad pressure on both sides of the disc.

The problem is the alignment of the caliper in relation to the disc.
It's pressing against one side of the disc. (you can turn this story
around too...)

If the adaptor sleeve on the shaft sits properly all the way on the
shaft flush against the stop then you need to change the 4 small
bushings that space out the bracket, remove material from these or use
thicker bushings so the bracket/caliper moves inwards/outwards so
there's no contact between the pads and the disc...
Alternatively you can also change the adaptor sleeve to suit, moving
the disc inward or outward in relation to where the caliper sits...

Remember that the caliper only moves in one sideways direction when
the brakes are applied and it needs to be able to slide enough on the
bushings/bolts to make up for pad wear and so remain self adjusting...
"

On Feb 20, 10:06 am, Bill Paxton <w...@xxxxxxxxxxxx> wrote:
> Is the caliper compressed?
>
>
>
> -----Original Message-----
> From: 1962to1965mopars@xxxxxxxxxxxxxxxx [mailto:1962to1965mopars@xxxxxxxxxxxxxxxx] On Behalf Of Eric R
> Sent: Friday, February 17, 2012 8:04 PM
> To: The 1962 to 1965 Mopar Mail List Clubhouse
> Subject: AAJ Disc Brake Sticks - 20 Sec Video
>
> If either of the two long caliper bolts are threaded enough that they
> would start to tighten then the disc won't spin very freely. As I
> tighten the caliper bolt the calilper moves up about 3/8" of an inch,
> then the brakes start sticking. I guess the caliper is just coming
> into alignment as it's being tightened, so maybe that's not the issue?
>
> At that point the bolts really aren't more then slighty finger tight.
> I tried other bolts thinking maybe they were warped but that wasn't
> it. The holes in the pads for the bolts to pass through appear to
> have enough free play. Wheel bearings are not overtightened. I
> swapped out a caliper with another one and it is still the same.
>
> Could the pads just be slighty large? Grind the outer pad down a tiny
> bit?
>
> Both brake sides do it, although one side is quite a bit tighter then
> the other.
>
> Here's a 20 sec video of me spinning the disc then just turning the
> bolt until finger tight to show the increase in resistance. At the
> end I try to demonstrate the caliper moving up as I turn the bolt...
> but maybe that's normal as the caliper is coming into alignment?
>
> https://picasaweb.google.com/104998594489637903139/DiscBrakeSticking#...
>
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Please address private mail -- mail of interest to only one person -- directly to that person. That is, send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks!

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Please address private mail -- mail of interest to only one person -- directly to that person. That is, send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks!

1962 to 1965 Mopar Clubhouse Discussion Guidelines:
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RE: AAJ Disc Brake Sticks - 20 Sec Video