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Rear disk brakes?

Bwingard

Member
Local time
1:23 AM
Joined
Sep 28, 2014
Messages
23
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Location
Hot Springs, AR
I am considering installing rear disk brakes on my 68 GTX, mainly because of issues related to the automatic adjusters. I read in the archives that 68 model and older Mopars had a problem with the auto adjusters over tightening the brakes and a common cure was to disable them. I did this, and they backed off to the point I started hearing a popping noise in the right rear when brakes were applied, so I reset them and re-engaged the auto adjust gear to keep them from backing off again. Next, I expect them to over tighten and make noise and wear out the brake pads, so I am thinking about converting to disks. I recently installed Green bearings in the Dana 60 rear end because one of the tapered roller bearings failed, so that issue has already been addressed. I already converted the fronts to disk and added a power booster too, so I have good brakes, but I have to fiddle with the rears almost every time I drive it. Long winded way to ask two questions: do the manual adjusters stay put, and if so, are they still obtainable? If I converted to disk, what are the options for the e brake?

Thanks,

Barry
 
Going to discs is a pretty expensive way to solve a problem imo....and I was told recently that the manual adjusters are still available but you can also modify the existing parts to work well. Did it many times before I knew the manuals were available. On the disc e-brake setup. It's nothing special and comes with the kit.
 
I just removed the auto adjusters from my '66 Satellite. I took the auto adjust parts out, re-positioned the bottom tension spring to run across and contact the star wheel keeping that in a constant position. You can then adjust the brakes by using the normal tool to rotate the star wheel which has a friction fit against the tension spring. The trick is finding the correct length & diameter spring to fit the existing holes in the brake shoe or drill a new hole in the brake shoe. I ran this for many years on my old '65 Coronet.
 
i have had an issue where the e-brake wasn't properly adjusted and screwed up the shoes.
 
I've NEVER had self adjuster problems with any Chrysler I've owned...old wives tale? maybe it came from the dude that told me that Chrysler torsion bars break all the time...
 
Thanks guys for the excellent suggestions. I am thinking the first effort will be to try to engage the spring to contact the star on the auto adjuster to keep it from free wheeling as per 66satellites suggestion. If that does not work, I will try to find a manual adjuster set up that does not free wheel like the auto, thanks Cranky. Will let you all know how it works out!
 
Today I put two new lower tension springs on to start the process of bending them to contact the star and lock it into position. What I found was the new springs put way more tension on the slack adjuster (no contact), so much so that I don't believe they will back off any more. I re-engaged the auto adjuster and hopefully it will work as designed. It's been raining around here so I did not take it out to try it out, maybe tomorrow. Thanks again to all for the input, I think it led to the right fix!

Barry
 
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