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Front Brake Problem

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Front Brake Problem
#1
higbeecw Cliff Higbee
Salt Lake City, UT, USA   USA
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I have a 1957 MGA 1500 which has been in storage of the last few years. I started driving it last week. I experienced a brake problem yesterday and am seeking some advise. It started pulling to the right when I braked. After a few miles the right front brake froze up. If I go in reverse for a few feet it releases and is okay until I use the brake again. It then freezes up again until I roll in reverse. Any idea what might cause such a problem?

Thanks

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Re: Front Brake Problem
#2
dickmoritz Avatar
dickmoritz Platinum Member Dick Moritz
Philly 'burbs, PA, USA   USA
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Incorrect assembly or sticking wheel cylinder.

Welcome to the Forum... smileys with beer

Dick


Errabundi Saepe, Semper Certi
(Often wrong, but always certain)

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Re: Front Brake Problem
#3
higbeecw Cliff Higbee
Salt Lake City, UT, USA   USA
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Dick, thanks for the quick reply. I am going to pull it apart tonight. What might cause it to stick?

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Re: Front Brake Problem
#4
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dickmoritz Platinum Member Dick Moritz
Philly 'burbs, PA, USA   USA
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Rust/corrosion in the wheel cylinder(s) from sitting so long. I'd certainly recommend a full brake system overhaul on a car that's been sitting that long. Could also be rust or burrs on the backing plate, or grooves worn into the backing plate where the back edge of the metal brake shoe rides against the backing plate. When reassembling, file/grind off any burrs and put a little white grease on those areas to reduce friction.

"A wise man fixes his brakes before his engine..." winking smiley

Dick

In reply to # 3049299 by higbeecw Dick, thanks for the quick reply. I am going to pull it apart tonight. What might cause it to stick?


Errabundi Saepe, Semper Certi
(Often wrong, but always certain)

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Re: Front Brake Problem
#5
Blueosprey90 Avatar
Blueosprey90 Silver Member Jeff Sienkiewicz
New Milford, CT, USA   USA
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1957 Volvo PV444
1959 MG MGA
2004 Honda S2000
See if the brake frees up if you open the brake bleeder. If so, a suspect will be the rubber brake hose. Old ones can collapse internally and prevent brake fluid from return to the master cylinder. The other suspect would be the master cylinder, piston not returning to rest after applying the brakes.

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Re: Front Brake Problem
#6
higbeecw Cliff Higbee
Salt Lake City, UT, USA   USA
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Dick, I will check all of that and do a complete brake job. Thanks

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Re: Front Brake Problem
#7
higbeecw Cliff Higbee
Salt Lake City, UT, USA   USA
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Jeff, I will check this thanks

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