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Thread: Disc Brake Question
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04-26-2019, 09:32 AM #1
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Disc Brake Question
I just installed a titan disc unit on my Momentum 351. Pump comes on instantly but seems close to 3 second delay before sound changes on pump and pressure comes up full, seems likeit should be quicker. Is this normal? Controller is Brakerite.
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04-26-2019, 11:09 AM #2
There definitely is a time delay between pedal apply and electric actuator reaching brake apply pressure. The trailer brakes are up to full pressure considerably before the sound change in the actuator, but 3 seconds sounds like too long to get to full apply pressure. I would suggest bleeding the hydraulic system again. I had to do this several times until all the air bubbles were purged out and this shortened the apply time because the actuator did not have to move enough fluid to compress the air bubbles in the lines.
RobLast edited by Cate&Rob; 05-03-2019 at 06:13 AM.
Cate & Rob
2015 Reflection 303RLS
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04-26-2019, 12:04 PM #3
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My delay is closer to 1 second or less. I did see a post somewhere where the poster had a longer delay and consulted with the supplier resulting in the conclusion of a defective actuator which was replaced. I like Rob’s suggestion to bleed the lines.
Dave
Sent from my iPad using Tapatalk2018 Reflection 27RL
2017 GMC 2500
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04-26-2019, 01:59 PM #4
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I had a similar issue with my Titan system and the technician from Performance Trailer Brakes (highly recommended) instructed to make sure you bleed closest to the reservoir first, moving back from there. Also you may be surprised just how long you have to activate the actuator in order to get a decent flow out of the bleeder valve.
2018 Solitude 310GK-R
Titan Disk Brakes, MorRyde SRE 4000 with X Factor Crossmember
2022 GMC 3500HD Duramax Crew Cab, 4x4, SRW 6’ box
Factory 5th/Gooseneck Prep with 20K Reese Goosebox
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04-26-2019, 03:51 PM #5
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Will try closest to reservoir. How much fluid did you have to bleed trough? I already used a gallon and still got a little air from the furthest points. I have no leaks.
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04-26-2019, 03:58 PM #6
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04-26-2019, 05:09 PM #7
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2018 Solitude 310GK-R
Titan Disk Brakes, MorRyde SRE 4000 with X Factor Crossmember
2022 GMC 3500HD Duramax Crew Cab, 4x4, SRW 6’ box
Factory 5th/Gooseneck Prep with 20K Reese Goosebox
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04-26-2019, 10:12 PM #8
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What size brake line did you use? How many feet of hose? I think if you use a lot of hose and large brake lines (like 1/4") then maybe it takes a shade longer to get full pressure. That's just my guess tho.
I used 3/16" hard brake line everywhere except the drops to the calipers which is different than the kit I got intended for me to do; they had at least one 60" or 72" hose (can't remember exactly). So far the brakes are working great.Larry KE4DMG
2022 F-350 KRU SRW LB - Airlift 5000+, ForScan, 37 RDS Aux Tank,
2019 310GK-R - Sailuns; MorRyde IS; Disc Brakes; 20K Reese Goosebox
Search kalakamods for my mods
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04-27-2019, 03:43 AM #9
Bleeding the Brake Hydraulic System
From the BrakeRite Installation Instructions . . . (See the complete section 5.4.2.1 in the attached)
5.4.2.1 Bleeding the brakes:
. . . Starting with the brake furthest from the actuator open the ‘bleeder screw’
. . . Close the bleeder screw and move to the next brake and so on until all brakes have been bled.
If your brakes were bled in the reverse order, this could be why there is still some air in the system.
RobCate & Rob
2015 Reflection 303RLS
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04-28-2019, 12:22 PM #10
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Bedroom Sconce Light
Today, 05:09 PM in Electrical System and Wiring