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 Post subject: Dragging brakes
PostPosted: Fri Sep 24, 2021 6:11 pm 
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TBI Slant 6

Joined: Sat Oct 12, 2019 11:42 pm
Posts: 156
Car Model: 1962 Dodge Dart
Hi all,

I've just put on a new drum, brakes, and hardware (minus the lower spring). I have adjusted the brakes until the wheel will spin with moderate force a little over one rotation. If I stop the vehicle, then release the brakes the car will move forward under its own power. I hear no noises, but I can smell the brake and the hub gets hot enough that if I spit on it it sizzles off immediately (which is different than the other side).

I had just pulled the axle. I had attempted and failed to pull the hub with a puller. As far as I could tell nothing had moved at all. When I reinstalled the axle I greased the original bearing and reinstalled everything in the order I had removed it, minus installing a new gasket between the axle housing and the shims. The gasket might have been marginally thicker than the old one.

Any suggestions on this? Keep backing off the brake?

Paul


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 Post subject: Re: Dragging brakes
PostPosted: Sun Dec 26, 2021 10:32 pm 
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Site Admin
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Joined: Sat Oct 12, 2002 12:57 am
Posts: 1343
Location: Grass Valley, Ca.
Car Model: '63 Dodge Dart GT Convertible
If you have *working* self-adjusters you could keep backing of the adjuster until it is not dragging and let the adjusters try to do the adjusting. You may have to clean and lightly grease the adjusters.

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 Post subject: Re: Dragging brakes
PostPosted: Sun Mar 27, 2022 10:32 pm 
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4 BBL ''Hyper-Pak''

Joined: Tue Sep 01, 2020 1:15 am
Posts: 42
Car Model: 68 Valiant
Chuck wrote:
If you have *working* self-adjusters you could keep backing of the adjuster until it is not dragging and let the adjusters try to do the adjusting. You may have to clean and lightly grease the adjusters.

Alright, we will try this on my friend's new project after it returns from the shop for the installation of the new tires from 4Wheelonline plus the alignment.


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 Post subject: Re: Dragging brakes
PostPosted: Mon Mar 28, 2022 9:04 am 
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Board Sponsor & Contributor

Joined: Thu Oct 31, 2002 5:39 pm
Posts: 23933
Location: North America
Car Model:
1. Year, model, 9" or 10" brakes?
2. Why minus the lower spring?
3. Adjust the starwheel, stomp the brakes hard to recentre the shoes, adjust the starwheel, stomp the brakes to recentre the shoes, etc until you get them where they're supposed to be.

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 Post subject: Re: Dragging brakes
PostPosted: Sat Jan 14, 2023 6:28 am 
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Turbo EFI
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Joined: Wed Feb 23, 2005 1:50 pm
Posts: 2351
Location: Pertneer Nashville TN
Car Model:
Star wheel threads I believe are well served with the threads cleaned and "Never Seize" on the threads VS some greases.

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'72 Duster 198 stock cam, 3:23's Hookers on jack stands for 8 years in the driveway
'79 Maxivan 360 Offy Qjet Comp RV cam/rusting in the driveway.
93 D350 160HP Cummins Auto :-( Dually Clubcab needs a injector pump
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 Post subject: Re: Dragging brakes
PostPosted: Wed Jan 25, 2023 6:42 pm 
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Site Admin
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Joined: Mon Mar 31, 2003 1:04 pm
Posts: 7349
Location: Oregon
Car Model: 2018 Eichman Digger
How old are your soft lines? Old ones can swell up over time and resist the flow of brake fluid.
When you step on the brakes, the pressurized fluid goes to the slave cylinders, but doesn't easily return back to the master cylinder due to the restriction or complete blockage.

CJ

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 Post subject: Re: Dragging brakes
PostPosted: Thu Jan 26, 2023 12:19 pm 
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3 Deuce Webber

Joined: Thu Apr 23, 2009 10:10 pm
Posts: 79
Location: San Diego
Car Model:
Rug_Trucker wrote:
Star wheel threads I believe are well served with the threads cleaned and "Never Seize" on the threads VS some greases.


I would clean off all that never seize and use some dedicated brake lubricant that will stand up to the high temps and not harden. JMHO.

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ski


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 Post subject: Re: Dragging brakes
PostPosted: Thu Jan 26, 2023 2:15 pm 
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Board Sponsor & SL6 Racer

Joined: Wed Oct 23, 2002 7:57 pm
Posts: 7712
Location: Waynesboro, Pa.
Car Model: 65 Valiant 2Dr Post
Never seize is what I always use. I've taken parts apart after years and while it may have slightly dried,it is still there doing its job. Regular greases all dry out as well.

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 Post subject: Re: Dragging brakes
PostPosted: Thu Jan 26, 2023 2:53 pm 
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Supercharged
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Joined: Wed Oct 12, 2005 9:00 pm
Posts: 2518
Location: kankakee IL
Car Model: 80 volare, 78 fury 2 dr, 85 D150
What Rick said.
Also that missing lower spring might have something to do with the dragging problems. Also did you make sure to put the primary shoe ( shorter friction lining) towards the front on both sides?
Or are both "big shoes" on one side and "short shoes" on the other?
Or "short shoe on the left" on both sides? (Meaning that the shoes would be backwards on one side) over the years of turning wrenches for a living I've seen it all when it comes to drum brakes.


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 Post subject: Re: Dragging brakes
PostPosted: Thu Jan 26, 2023 2:55 pm 
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SL6 Racer & Moderator
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Joined: Sat Oct 19, 2002 12:06 pm
Posts: 8007
Location: Silver Springs, Fl.
Car Model:
Rick Covalt wrote:
Never seize is what I always use. I've taken parts apart after years and while it may have slightly dried,it is still there doing its job. Regular greases all dry out as well.

I used to use never seize, but now I use disc brake caliper grease. I like it better.

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65 Valiant 100 2dr post 170 turbo
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