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Motive Product Power Bleeder Pressure Brake Bleeder

Simple Brake Flush or Bleed

Motive_Pressure_Bleeder_FrontFlushing of brake systems for most average cars will never happen unless they have some sort of brake issues that forces the brake system to be opened up allowing air into the lines.  Brake fluid is one of those overlooked maintenance items on cars and trucks.  Have you ever wondered why metal brake lines will rust out from the inside?  It is not because of the hydraulic fluid in the system is corroding the lines, but it is from the water that the brake fluid absorbs over time.  Brake fluid is hygroscopic and absorbs water from the atmosphere, lowering its boiling point and causing corrosion in many parts of your brake system.

If you change brake lines, you will be introducing air bubbles that will cause mushy brakes.  Air can be compressed while liquid cannot, allowing those air bubbles to get smaller while you apply pressure to the brakes.  This compression reduces the effectiveness of the brakes or can render then useless.

Motive_Pressure_Bleeder_Bad_FluidIt is very common for people lifting trucks and Jeeps to replace lines and many times, the brakes are bled using the two man method.  With the car turned off, one person will apply pressure to the brake pedal and another will open up the brake bleed on the caliper.  The person in the vehicle will let the person on the bleeder end know when the pedal almost reaches the floor so he can close the bleeder.  The person in the vehicle never wants the pedal to come up with out the bleeder closed as it will draw more air into the system.  This communication is vital to the process and can also cause issues with seals if the piston is rusted.  It works, but it not the preferred way to bleed brakes.

Why Pressure Bleed?

Motive_Pressure_Bleeder_F150Pressure bleeding allows for the fluid to flow through the brake system in the same way it flows during use.  Dirty fluid is pushed out through the calipers and not pushed back through sensitive ABS systems.  There is no risk of damaging seals with rusty pistons and less of a chance of getting air in the system than when using a vacuum system.  If you read about vacuum bleeders, many will talk about the bubbles they see in the waste line as it is drawn in around the threads of the brake bleeder valve.

Motive_Pressure_Bleeder_Catch3The system of pressurizing the system with brake fluid ensures that the master cylinder will remain full, again, not allowing air into the system.  It is also very clean for most makes and brands.  There are a few foreign brands that do have a pretty cheap master cylinder cap and those can cause issues with this system.  That is a quality issue on the vehicle rather than an issue with this product.


The Motive Products Power Bleeder is a nice system that allows one person to work on brake systems without worry of letting air into the system.  Initially, we were concerned with a mess when removing the bleeder after the flush was complete, but the pressurized air in the brake reservoir pushes back all the fluid in the lines and allows for a simple, clean and fast cleanup.  The Motive Power Bleeder is worth every penny for working on brake systems.  It is so simple to use that we flushed a Jeep sitting next to the truck in less than 15 minutes once we were set up.  There is a confidence that the job is done right and that there is no moisture in our brake system causing costly damage down the road.


Motive Products 100 Brake System Power Bleeder


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