Okay so I have a 1994 Kentucky Moving van based trailer. The problem I have is as soon as I touch my brakes the trailers brakes are acuating before the tractor, even when I pull the spike I pull it less then with other trailers. It does this with any truck as I have tried with severel. I am always getting the trailer hot and the tractor brakes arent even warm. No brake drag, Anythoughts?
Thanks,
Kyle
Agressive Trailer Brakes
Discussion in 'Trucks [ Eighteen Wheelers ]' started by kyletg23, Mar 31, 2014.
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could be brakes adjusted to tight but would guess bad brake valve on trailer allowing full air instead of slow braking
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ok thanks makes sence thats what I keep saying but guys keep telling me Iam nuts. What would such a valve be called?
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Follow air lines from service side brake chamber to Valve under trailer it has a crack pressure built into it, parts book list it by part # diff.crack press have diff. #, your is bad and goes full pressure.
EverLuc Thanks this. -
Will do, thank you very much.
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Is it all greased properly?
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Yupp and its gone through three sets of brakes in a short time and every time it gets new ones same problem
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That's how they're designed to work. Most braking force is provided by the trailer. That way the vehicle is in a condition of "stretch" under braking, rather than "compression" where the oft much heavier trailer is pushing the tractor.
The information provided leads me to suspect you're braking too much. -
Ha no not braking to much.... under no circumstance should my trailer brakes be smoking and my tractor stone cold. Last week I came off monteagle at 15 mph at 79, 000 lbs no jake as It was a peice of junk penske and by the bottom the trailer was smoking tractor not even hop same situation just not as extreme in my peterbilt becuase it has jakes. I have run toronto to Vancouver lots without a jake in my old 3406b and never had such problems.
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old trailers had no LSV. So I'd idetify trailer brake system first and may be install LSV
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