View topic - front brakes 1961 Desoto locking up when coming to a stop

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PostPosted: Thu Mar 16, 2017 8:50 pm 
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Joined: Mon Feb 27, 2017 4:13 pm
Posts: 2
Front passenger side brake shoes lockup when coming to a stop. The following has been done to the brake system.
Power assist unit rebuilt
New master cylinder
All new cylinders
New drums in rear
New shoes in front
Had all 4 drums turned

Any suggestions?? I'm a new club member my name is Lou.


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PostPosted: Thu Mar 16, 2017 9:19 pm 
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Joined: Fri Jan 30, 2015 10:57 pm
Posts: 180
Make sure your lines are bled properly and your brake shoes are adjusted properly. Otherwise you may have a wheel cylinder leaking coupled with moisture on the linings. This creates lock-up big time.

I'm only going from my experience and others might have different ideas.

"It's delightful, it's delovely, it's DeSoto"


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PostPosted: Sun Apr 30, 2017 2:59 am 
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Joined: Mon Jun 29, 2015 5:19 pm
Posts: 23
Location: Ann Arbor, MI United States
Hi Lou,

Did you ever get this condition resolved? Fred is absolutely correct when he says that adjustment is critical. There is a special service tool required to adjust those brakes, and if it isn't used when new shoes are installed, lockups will frequently be the result. This might be your problem.

_________________
Brent Jacobsen
Owner of a 1952 Desoto Firedome


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PostPosted: Wed May 10, 2017 1:32 am 
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Joined: Mon Aug 09, 2010 6:43 pm
Posts: 768
The attached may help. I'm not a '61 expert but I think the brake design is similar to the attached technical info.

Another tip I've seen work is to have the shoes ground to match the machined drums so you have full contact. Need a good brake shop with old machines to perform this work.

Mark


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Center-Plane Brakes.pdf [910.34 KiB]
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