How to Bleed Your Surge Brakes in Five Easy Steps

Bleeding surge brakes (BSB) is a method of bleeding brake fluid from the master cylinder reservoir into the wheel cylinders to reduce or eliminate brake fade. This is done using a hand pump to force air through the system.

A BSB is a simple tool that allows you to bleed your brakes without having to remove them from the vehicle. It consists of a hand pump connected to a hose into the master cylinder reservoir. Once the pressure reaches a certain point, the brake fluid flows out of the reservoir and into the wheel cylinders.

This article shows you how to bleed your brakes and explains why it's important to do it regularly.

How to Bleed Surge Brakes

Bleeding surge brakes is important for proper operation. Here, we will show you how to bleed surge brakes.

Step 1: Locate the Brake Bleed Screw

The brake bleed screw is typically located on the underside of the bike near the brake pads. If you cannot find the bleed screw, you can try to remove the brake pads and bleed the brakes by using a vacuum cleaner or a syringe.

Step 2: Remove the Dust Cap

The dust cap on the surge brake should be removed in order to bleed the brakes. To remove the cover, start by removing the four screws that attach it to the frame.

Praise the cover gently off of the brake after removing the screws. The brake should now be bled. To do this, insert a syringe with the appropriate fluid and push it all the way into the brake line until the fluid comes out.

As you bleed the brakes, watch the level of brake fluid; if it gets too low, you may need to add more fluid.

Step 3: Place a Container Under the Screw

When bleeding your brakes, it is important to place a container under the screw to catch any fluid that may escape. As a result, the fluid will not get all over your car and could potentially cause damage.

Step 4: Open the Bleed Screw

The bleed screw is a small, Phillips head screw located on the caliper bracket. It is used to adjust the brake bleed rate.

To open the bleed screw, first remove the caliper bracket by unscrewing the two screws located on the bracket and the bracket itself.

After the bleed screw has been pried open, use a flat head screwdriver to pry it open. Make sure you don't strip the threads by overtightening the screw.

Step 5: Pump the brakes.

If you're bleeding your brakes, you'll need to pump them to get the fluid back into the system. To do this, use a standard brake pump or a bicycle pump. Pump the brakes until the fluid comes out in a steady stream.

Step 6: Close the Bleed Screw

In order to bleed the surge brakes, you will need to close the bleed screw. To do this, first locate the bleed screw on the wheel hub.

It will be a small, Phillips-head screw. Once you have located the bleed screw, use a flathead screwdriver to turn it counterclockwise until it becomes tight. Do not overtighten the bleed screw, as this may damage the hub of the wheel.

Step 7: Replace the Dust Cap

After bleeding the brakes, it is time to replace the dust cap. The dust cap must be removed by removing the four screws that hold it to the caliper.

Pull the dust cap off the caliper after removing the screws. Be careful not to damage the brake pads or rotors in the process. Replace the dust cap by re-attaching the screws and ensuring that it is properly secured.

How to bleed surge disc brakes?

To bleed surge disc brakes, first, remove all four wheels.

Check for any leaks and then bleed the system using brake fluid.

The brake fluid reservoir should be full if the brakes are working properly.

Bleeding surge disc brakes is a common procedure to prevent future brake failure.

There are several ways to bleed surge disc brakes, including using a vacuum cleaner and syringe.

It is important to keep track of the amount of air being bled from the brake system, as too much air can cause damage.

How to bleed surge brakes on a Ranger boat trailer?

Bleed surge brakes on a Ranger boat trailer using the bleed screw on the brake line clamp.

Turn the bleeder screw until fluid squirts out of the clamp and onto the ground.

Repeat steps two and three to release all air from the brake system.

Bleed surge brakes when your boat is in use to prevent it from becoming overloaded or going off course

Bleed surge brakes on a Ranger boat trailer by lowering the nose and using the screwdriver to evacuate the air.

Be safe while bleeding surge brakes, Rayzor 2001 Triton Tx-21 2001 Mercury 225 EFI.

Bleed surge brakes on your ranger boat trailer prevent losing your trailer and cargo.

Use a brake bleeding kit to do the job safely and correctly.

Check the brake booster fluid level while bleeding the brakes; if too low, stop and add fluid until the levels are safe.

Too abruptly stopping or slowing down can result in pressure loss, potentially damaging hoses and valves.

When bleeding brakes, wear safety goggles, gloves, long sleeves, pants, and a face shield to avoid injuries.

How to bleed hydraulic surge brakes?

To bleed hydraulic surge brakes, remove all four wheels.

Check for any leaks and replace or bleeding as necessary.

Add brake fluid to the reservoir if needed.

Bleed hydraulic surge brakes by depressing the brake pedal to the floor and releasing it.

Pump both sides of the brake line until you hear a hissing sound.

Repeat steps 1 and 2 as necessary.

Do not over-bleed the brakes, or they may stop working properly.

How do you bleed the brakes on a Kodiak trailer?

Bleed the brakes on a Kodiak trailer by forcing fluid from the bleeder valve.

The bleeder valve is located on the lower side of the brake drum near the axle.

To bleed the brakes, first, remove any debris blocking the opening of the bleeder valve.

Open the bleeder valve and start forcing fluid through it until a clear fluid stream is coming out.

Close the bleeder valve and wait 30 minutes to allow all of the fluid to escape before driving or riding your trailer again

Bleeding the brakes on a Kodiak trailer is how to stop them from working.

To bleed the brakes, you must first remove the brake lines.

Next, you need to loosen the bleeder screws.

Finally, you need to release the pressure on the brake lines by bleeding them.

You should only bleed the brakes once every month or two.

How to bleed titan model 6 surge brakes?

Bleed brakes on a titan model 6 surge by using the calipers on the correct sides

To bleed the calipers, make sure you get all the air out of them.

The brake fluid you use should be compatible with the type of vehicle you have.

To bleed titan model 6 surge brakes, first, lower the nose of the bike, then bleed uphill using a screwdriver.

Be safe when bleeding titan brakes - use caution and swap fittings to avoid leaks.

Bleed titan brakes regularly to keep them in good condition.

Bleed titan model 6 surge brakes by using a vacuum cleaner hose.

Turn off the power to the brake system and disconnect the vacuum cleaner hose from the machine.

Open the bleed screw on each side of the brake caliper and bleed them for approximately 30 seconds each until no more fluid is coming out.

Reconnect the vacuum cleaner hose to the machine, turn the power to your titan model 6 surge brakes, and wait 10 minutes before driving again.

How to bleed hydraulic surge brakes on a boat trailer?

Bleed the brakes by releasing the pressure in the system until all fluid has been drained.

Follow the manufacturer's instructions for bleeding your specific type of brake system.

Use a brake bleeder to help release pressure from the system and avoid damaging components.

Bleed the hydraulic surge brakes on the boat trailer by lowering the nose and bleeding upwards.

Use a screwdriver to evacuate air from the brake system.

Be safe when bleeding brakes, Rayzor 2001 Triton Tx-21 2001 Mercury 225 EFI.

Bleed hydraulic surge brakes on the boat trailer.

Pump the brake pedal until it clicks into the "release" position to bleed hydraulic surge brakes. 

Next, using a syringe, slowly release pressure from each pad one at a time, waiting about two minutes between applications.

Repeat steps 2-4 until all pads have been bled; be careful not to over blend the system or damage components.

Reattach the emergency brake handle and check for leaks before driving away.

Note: Bleeding is only needed on older trailers that use hydraulically operated surge brakes; newer trailers use electric retarders instead.

How to bleed demco surge brake?

Bleed the demco surge brake by removing all four wheels

Check for leaks and refill the brake fluid reservoir.

Perform any other procedures or tips that may be helpful

Bleeding the demco surge brake can be done by using a plunger.

Use caution when bleeding the surge brake, as improper bleeding could damage the unit.

Bleeding the demco surge brake should only be done by a qualified technician.

How to bleed boat trailer surge brakes?

To bleed boat trailer surge brakes, first, loosen the clamp that holds the brake line on

Use a piece of tubing about 2 inches long to connect the end of the brake line to a container of fluid (like antifreeze)

Turn on the truck's emergency brake and wait until all of the fluid has been drained from the tube into the container.

Tighten up the clamp on the brake line

Bleed boat trailer surge brakes by using a vacuum cleaner and bucket.

Vacuum clean off the brake fluid port on the side of the trailer, then turn on the vacuum cleaner.

Pour a bucket of water over the brake lines to flush them clean and remove any debris that may have clogged them.

Bleed trailers every 30 days or as needed to prevent brake failure due to debris buildup or corrosion.

Brake fluid replacement should be performed at least once per year.

How to bleed surge brakes on an ATV?

Bleed the ATV surge brake by removing the wheel(s).

Remove the master cylinder cap and drain the brake fluid from the master cylinder.

Remove the hose from the master cylinder and place it in a brake fluid container.

Disconnect the hoses from the caliper/brake assembly.

Slowly pour brake fluid into the master cylinder through the hose.

The brake fluid will fill the master cylinder.

When the master cylinder is full, remove the hose from the master cylinder and reconnect it to the caliper/brakes assembly.

As you release the clutch pedal, gradually press down on the brake pedal.

Continue applying pressure to the brake pedal until the brake pedal stops moving. The brake pedal must stop moving before you can start bleeding the brakes.

Once the brake pedal stops moving, slowly release pressure from the brake pedal.

If the brake pedal does not return to its original position after several seconds, repeat step 4.

Once the brake pedal returns to its original position, tighten the bolts holding the brake assembly together.

After tightening the bolts, check the brake pads for wear. If they are worn down, replace them.

After replacing the brake pads, reinstall the wheel(s), reinstall the master cylinder cap, and test the brakes again.

How to bleed Atwood surge brakes?

To bleed Atwood surge brakes, first, remove all four wheels.

Then inspect for any leaks and follow up with fluid replacement if necessary.

The brake fluid reservoir should be full to prevent a loss of braking power.

Bleeding Atwood surge brakes is a process of releasing the air pressure from the brake system.

To bleed Atwood surge brakes, you will need to remove the cap on the bleeder screw and insert a tube into the brake line.

Turn the bleeder screw until air bubbles are released from the brake line.

Replace the cap on the bleeder screw and reinstall the brake lever assembly.

Test the brakes to ensure proper operation.

How to bleed 5000 lb trailer surge brakes?

Bleed 5000 lb trailer surge brakes using a manual brake bleeder.

The brake bleeder should be on the right side of the caliper to get fluid and air out.

While bleeding the brakes, keep an eye on the calipers, because incorrect positioning can cause them to leak or fail.

Bleed the brakes by lowering the nose, then bleeding uphill using a screwdriver.

Be safe and cautious when bleeding brakes; the improper technique could leak and damage equipment.

Bleeding the brakes will reduce the amount of pressure applied to the trailer's tires and may help prevent a blowout.

The brakes need to be bled before driving the vehicle to get rid of any air in the system.

First, make sure all of the parking brake cables are tied off, then disconnect both master cylinders (if equipped) to bleed the brakes.

Open each bleeder valve on each side of the trailer and allow fluid to flow into and out of each system for about 30 seconds.

Reconnect both master cylinders and tighten both bleeder valves snugly – do not over-tighten them!

Drive your vehicle slowly around a curve or up a steep hill, and watch for any signs of a blowout. If you experience a blowout, immediately stop the vehicle and unhitch the trailer.

Repeat steps 4-6 until the problem stops happening.

My surge brakes don't seem to be working. How do I know?

Your vehicle's surge brakes are designed to work in the event of a sudden stop. If they are not working properly, the vehicle will not be able to stop as quickly as it should. Surge brakes are designed to prevent your car from rolling over.

If they are not working properly, the vehicle will not be able to stop as quickly as it should. Surge brakes are designed to prevent your vehicle from rolling over. If they are not working properly, the vehicle will not be able to.

Remove all four wheels for inspection.

Bleed the system.

Check brake fluid level and reservoir.

Surge brakes are used on boats to help stop the boat during sudden water crossings.

When the boat crosses over a surge, the brake system is activated.

If there is any problem with the surge brakes, they will not work properly and could lead to accidents.

You can do a test crossing to check if your surge brakes are working properly.

Mechanics should be consulted if your boat has recently undergone repairs or modifications to its braking system.

Surge brakes are designed to stop your boat quickly if the engine stalls.

To use surge brakes, you need to know how much power the engine produces and how fast the boat is moving.

The brake pedal should be pushed down when using surge brakes.

If your boat has a kill switch, it will automatically activate the surge brakes when the engine stalls.

Frequently Asked Questions (FAQs)

What's the best way to bleed surge brakes?

The best way to bleed surge brakes is with the brake bleed valve, and the valve should be opened for 15 minutes at a time.

Is there a right and wrong way to bleed surge brakes?

The way to bleed surge brakes is not right or wrong. Whether or not you do it the right way depends on what you decide to do.

What happens if I don't bleed surge brakes?

If you don't bleed surge brakes, they can cause many problems. If you don't bleed the surge brakes, you could have an issue with your car's ABS, which will make you lose control of your vehicle.

Why is it important to bleed surge brakes?

When you drive, your car will stop when you come to a stop sign or traffic light. But if you have surge brakes, they will keep the brakes from stopping.

How often should I bleed surge brakes?

A: It's up to you. Some people like to bleed the surge brakes once a month, while others bleed them twice. It's up to you.

Why do I need to bleed surge brakes if I don't know how?

The first thing to do is to call your mechanic, and they will be able to help you.

Why is it called a surge brake?

The surge brake is an air brake used to stop a vehicle in an emergency, and it's also used for racing. It's an important part of the car that must be kept clean and oiled.

What do I need to know about the engine before bleeding the surge brake?

Before you bleed the surge brake, you should know how to adjust your vehicle's air pressure. You should know how to check the condition of your tires, and you should know how to change your oil.

What is the best way to bleed the surge brake?

There are different ways to bleed the surge brake. Some people use a screwdriver to open the reservoir valve, while others use a special tool. The best way to bleed the surge brake is to use a special tool.

How do I know if the surge brake is ready to be bled?

If you're unsure, you can try to put your foot on the pedal and see if the brakes stop working.

What should I do if the surge brake stops working?

If the surge brake doesn't work, you'll need to get the vehicle towed to a garage or an auto repair shop.

Is it safe to drive without the surge brake?

Yes, it's safe to drive without the surge brake, but you'll have to be extra careful.


This guide covers everything you were expecting to know about bleed surge brakes. This includes the history of surge brakes, how to bleed surge brakes, and how to do it yourself. 

In addition, we explain where to find surge brake components and tools. This is a very important step to take before using your surge brake. 

After bleeding your surge brake, you must also check your battery voltage. A multimeter or digital voltmeter can be used instead of a voltmeter if you do not have one.


John D. Archer is a mechanical engineer and writer based on the area of automotive accessories at, A resident expert and professional, John is passionate about all things automotive and loves to share his knowledge. He has good experience in all kind of automotive accessories. He has worked as a chief mechanical engineer in some reputed automotive garage firm.