Installation Supplement for Towed Vehicles Equipped with Electric Hydro-Boost Power Brakes Unified Tow Brake (UTH-1000 and TVH-1000K) Some towed vehicles are equipped with hydro-boost assist power brakes instead of vacuum assist, and some of the hydro-boost towed vehicles use a separate 12-volt DC pump for the hydraulic assist. In those applications, you may install the Unified Tow Brake with one minor installation change. We have outlined this change below.

Note: If the towed vehicle is equipped with hydro-boost where the hydraulic assist is coming from the power steering pump, the Unified Tow Brake will NOT work. Most vehicles equipped with electric hydro-boost power brakes are known as 'continuous power brakes.' This means that the factory DC pump will energize on its own when needed to keep the power brakes active. If the towed vehicle has 'continuous power brakes', no modifications are required to complete the installation of the Unified Tow Brake system.

Hydro-Boost (Hydraulic Boost) This power brake booster obtains hydraulic pressure from the power steering pump, rather than vacuum pressure from the intake manifold as in most gasoline engine brake booster systems. Procedures for removing, overhauling, and replacing the master cylinder are the same as previously outlined. Tablici morskih rasstoyanij mezhdu portami. Mar 12, 2018 - AutoZone Repair Guide for your Brakes Hydraulic Brake System Hydro-boost. Sep 10, 2012 Installing Hydro-Boost Return Lines and T-ing into.

To check to see if your towed vehicle is equipped with 'continuous power brakes': Raise the engine compartment hood so that you can better hear the factory DC pump, and with the ignition in the towing position, pump the brake pedal. If you hear the DC pump running, this indicates that the vehicle is equipped with 'continuous power brakes.' If you do NOT hear the DC pump running, proceed with the steps below to connect the UTB violet wire.

When the hydraulic assist is coming from a separate 12-volt DC pump, and the power brakes are NOT continuous as outlined above, follow these steps: 1. Locate the 12-volt DC pump that supplies the hydraulic pressure for the hydro-boost system. Using a test light, identify the wire that goes 'hot' when the vehicles ignition is on and is 'cold' when the ignition is off.

Once you have identified the correct wire, cut the factory wire and install a 'blocking diode' (supplied by installer) into the factory wire that will protect the end of the factory wire that goes away from the DC pump. Once the diode is installed, then you can splice in the 'violet' wire in the Unified Tow Brake towed vehicle wiring harness that normally would be used to power the vacuum pump to power the hydro-boost DC pump. Install the 'violet' wire into the newly installed 'blocking diode' according to the diagram below. When this installation procedure is completed, the Unified Tow Brake Power Module will energize the DC pump when needed to keep the power brakes active and alive. Form 0811hydroboost (Rev. 11/08) Example on H3 Hummer Return to Return to Product Page Return to Page Send your questions and comments to: Copyright © 2008 AP Products, Inc. Last modified: 08/15/11.

Jeep Hydroboost Braking System The PROBLEM: Jeeps are notorious for poor stopping performance. Then you add front discs, rear discs, larger tires, bigger axles with bigger brakes, lower gears, a bigger engine, and so on and so forth, and before you know it, the brakes become almost useless with the pressure and power generated by the original stock braking system. The SOLUTION: Vanco has devised a system that has worked wonderfully on all prototypes it has been tested on. It is a very easy to install Hydroboost system that bolts right up and uses your power steering pump, instead of engine vacuum, to provide power assist to the brakes. It can be used to convert manual brakes to power brakes, to upgrade factory power brakes, or to work the bigger brakes on that stronger axle you are swapping in. The power of the Hydroboost allows the system to incorporate a larger bore master cylinder than is possible with a vacuum assist, which produces more brake clamping pressure and, at the same time, a higher brake pedal. (Vacuum systems require about an inch and a half of pedal travel before they begin to work.) The booster is very slim, only about 4 1/2” in diameter, as opposed to the 9”-10” diameter of vacuum boosters, so, if you are concerned about spaceworry no more.

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This booster gives tremendous power, whether you are going 5 mph or 100 mph. It is never too sensitive, and never lacking in power. The Vanco Hydroboost System *Available as a complete kit or separate individual components What you will need to provide: Fluid. What kind you ask. Different people will tell you different things. GM, whose vehicles this system is used on, recommends GM Power Steering Fluid, Part No. 1050017, but other brands of “power steering fluid” will also work.