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Old 03-06-2014, 07:14 PM   #1
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Join Date: Jun 2011
Posts: 45
Aux braking system

His may seem like a stupid question, but with power brakes only giving you one or two good stops with engine not running, how does a system like brake buddy work? Isn't that a lot of pressure that needs to be applied if your engine isn't running?

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Old 03-06-2014, 07:25 PM   #2
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Can't speak as to how a Brake Buddy works, but my Ready Brake uses a cable to pull the brake pedal toward the floor. And, yes, it is a strong enough pull to engage the brakes even when there is no power to them.

Jeff, Tricia, 3 kids, and the occasional dog or two
2006 Winnebago Tour 40KD, 2013 Dodge Ram TOAD
350 Cat C7, Freightliner chassis
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Old 03-06-2014, 07:44 PM   #3
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Your brakes will always work without the engine running, it just
requires more force when there is no vacuum assist from the
engine. Some aux brake systems work by having a lot of force,
others provide an alternate source of vacuum to the brake system,
and use less force. I think Brake Buddy and many others
works by using more force, systems from M&G and SMI
use a vacuum assist system, and require less force.
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Old 03-06-2014, 07:56 PM   #4
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I use SMI Stay-in_Play which includes a small compressor to create vacuum.
Wayne & Roberta and Maggie the Miracle Dog
08 Winnebago Destination 39W Gas UFO Workhorse Chassis
Making the Journey in our Destination

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