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Old 05-12-2014, 07:59 AM   #1
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Actibrake vs ?????

Our '08 34 SO is equipped with the Actibrake activator, it has been "checked" when the recall work was done on the brake hoses, and it works, sort of. Basically, I don't think it's working correctly, or as well as it should.

The tech that did the recall work at a dealer close did a horrible job of bleeding the brakes, and when I left there had about a five second delay in the trailer brakes application after the truck brakes were applied. I re-bled the brakes a couple of times, the delay got a lot less, but the system still is lacking performance, IMHO. (I base this opinion on no other experience with electric over hydraulic brakes, only how I perceive they should work)

So, for those that have replaced the Actibrake with another brand of activator, did you notice a decrease in brake application delay? What brand of activator do you have?

I don't mind spending the money and time converting to another activator if there is an improvement, but don't want to spend money with no improvement.

All input appreciated.
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Old 05-12-2014, 08:38 AM   #2
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We use a Carlisle 1600 in both our 34's. Like them a lot.
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Old 05-12-2014, 10:51 AM   #3
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We installed the Titan BrakeRite II SD system in the original battery box on the Classic when converting to disc brakes. After the installation, driving involved intermittent length pauses before the trailer brakes worked and then they would nearly lock up. After a very disconcerting driving experience through the mountains coming home, we bled the brakes again and the issue continued regardless of the truck settings.

Unknown to both the installer and me before the installation, the Titan BrakeRite II SD and the Titan BrakeRite II RF model are completely incompatible with the 2012 (and perhaps other years as well) Dodge factory brake controller even when in electric over hydraulic mode. A Titan representative continued by saying that the original BrakeRite EHB model should be okay with the factory controller by Dodge and others.

Since swapping the brake controller hardware is a major operation on our trailer with the new Lifeline batteries box, I will be installing the DirecLink NE brake controller when I return stateside along with upgrading the +12Vdc black and -12Vdc white wires to marine grade #10 one pair wire directly from the battery to the seven wire connection on the back of the truck. The DirecLine installation instructions are very adamant about a good ground going to the battery. So it's positive and negative power leads will also be taken directly to the battery with marine #10 wire. This is the same two conductor wire we used for each of the eight the solar panels on the roof of the trailer going into a junction box.

The existing BrakeRite II pump is wired with #10 wire directly to the trailer's battery bus (12Vdc and 600 amp-hours) for power so there is no pump power supply issue.

My backup brake controller if the DirecLink has issues will be a Prodigy P3 with their 3021-P converter cable for 2010-2012 Dodge trucks.

If the Titan BrakeRite equipment remains problematic, I will switch it out for the Tuson brake pump and I know it will work the Tuson DirecLink brake controller.

If I knew then what I know now, we would have just installed the Tuson system as their pump would easily have fitted into the old battery box with room even for their ABS control module. But the ABS module requires completely different brake assemblies plus an individual brake line to each wheel.

Another very expensive learning experience.....
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Old 05-13-2014, 09:12 AM   #4
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Carlisle 1600
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Old 05-13-2014, 10:04 AM   #5
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Carlisle 1600 / Maxbrake controller.
Perfect ! Never a Hensley Bump, trailer and truck act as one unit. I thought that the Prodigy was great until I bought the Maxbrake Controller, what a difference a controller makes.
I understand that Maxbrake is not available, but there are others that use the same technology. Sensing the brake fluid from the master cylinder electronically, like the old Kelsey Hayes units from a bygone era did physically.
Google Maxbrake and do a little research as to how and why that type of controller is the best. [pricey, but well worth the investment, about $500. as I recall. Considering one's total investment in truck/trailer, what's another $500 to bring everything together in harmony ?
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Old 05-13-2014, 01:44 PM   #6
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By connecting the dots across several different manufactures and dealers websites, I have discovered that the DirecLink by Tuson and the Prodigy P3 use the same vehicle adapter cables by specific vehicle models and years.
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Old 05-13-2014, 03:03 PM   #7
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"So, for those that have replaced the Actibrake with another brand of activator, did you notice a decrease in brake application delay? What brand of activator do you have?"

Although I appreciate everyone's input about what activator you are using, no one has yet stated they changed from Actibrake to another brand, and what improvement if any there has been.

Anyone?
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Old 05-13-2014, 03:09 PM   #8
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With the Carlisle there is zero delay. If I had to replace them today, it would definately be with more 1600's
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Old 05-13-2014, 03:11 PM   #9
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Quote:
Originally Posted by AtomicNo13 View Post
With the Carlisle there is zero delay. If I had to replace them today, it would definately be with more 1600's
Did you switch from an Actibrake to a Carlisle?
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Old 05-13-2014, 03:15 PM   #10
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No, both coaches were retrofitted with disc brakes. I had previous experience with the Carlisle products. I really didn't consider anything else based on past performance.
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Old 05-17-2014, 07:11 AM   #11
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Steve,

Any updates?

If the updated hoses are just longer hoses that cures the kinking issue but they don't offer any real solution for effective inboard caliper side bleeding.

Regards,

Gary
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Old 05-17-2014, 08:01 AM   #12
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Yes, the recall is just longer hoses and one different fitting along with checking the Activator unit. It does nothing to address the brake bleeding issues. On a rally this weekend and noticed on the way down Thursday the more the brakes were used, the stronger the became.
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Old 05-17-2014, 10:29 AM   #13
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Sometimes the discs create surface rust when idle for a few weeks that gets rubbed off with use. I usually see that surface rust when my car is left at the airport for a couple of weeks.
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Old 05-17-2014, 10:59 AM   #14
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Steve,

Surface rust goes away with applying the brakes, we all see that on stored vehicles. but delay is your root issue, right?

Would you like to borrow my pressure gauge setup and do your own test of time vs. PSI? This is a static test only, then video the test and if you have any video editing software, you can see the audio track vs. the gauge response. I don't have any factory specs just my own results.

Gary
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