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Drum brakes, low contribution from passenger side

Old Jul 27, 2021 | 07:47 AM
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Drum brakes, low contribution from passenger side

New shoes, wheel cylinders & drums.

Drivers side is doing all the work. I’ve bled and re bled the rear brakes repeatedly, I have a good pedal.

There appears to be a caramel colour in the passenger drum each time I take it off, little to no evidence of brake dust.

ive just finished sanding the shoes, going to give it another go.

no dampness under the wheel cylinder boots.

thoughts?





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Old Jul 27, 2021 | 09:33 AM
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Car: '83 Firebird (T/A Clone)
Engine: 350 with L-69 components
Transmission: 700R-4, 2000 RPM stall converter
Axle/Gears: 10-bolt/3.73 ..
Re: Drum brakes, low contribution from passenger side

Have you adjusted them properly?...
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Old Jul 27, 2021 | 10:39 AM
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Re: Drum brakes, low contribution from passenger side

Originally Posted by T.L.
Have you adjusted them properly?...
Yes, I’ve got equal drag on both sides.
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Old Jul 27, 2021 | 11:35 AM
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Re: Drum brakes, low contribution from passenger side

Maybe a bad wheel cylinder right out of the box?
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Old Jul 27, 2021 | 01:09 PM
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Re: Drum brakes, low contribution from passenger side

Originally Posted by stron3
Maybe a bad wheel cylinder right out of the box?
I don’t believe so, brake fluid is not going down, seals on wheel cylinders are dry.


I really hope not, what a pita they are to install.
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Old Jul 28, 2021 | 07:59 AM
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Re: Drum brakes, low contribution from passenger side

Originally Posted by theraymondguy
I don’t believe so, brake fluid is not going down, seals on wheel cylinders are dry.


I really hope not, what a pita they are to install.
I hear you. I've read about instances where the the bore in a new cylinder was filled with metal shavings that weren't properly flushed out during manufacturing. Unlikely but you never know.
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