Brake bleeding sequence - 2003 Subaru Baja

Bleed master cylinder ,with brake lines disconnected,then connect brake lines and bleed each brake line at master cylinder. then right rear brake,then left rear brake,then right front brake and last,left front brake.

Although many people believe that the order makes a difference in their particular vehicle, there are many others who service many different makes and models of vehicles and generally conclude that the order makes no difference.

"I have investigated this brake bleeding sequence controversy and went interviewing professional mechanics from Porsche, Mercedes Benz, Toyota, Volkswagen etc. including from Pep Boys just to get to the bottom of the story. If you use the pressure or vacuum bleeding or the manual pedal method correctly, the sequence does not matter.

So I built a test rig using clear and transparent brake lines with 4 different color brake fluids. Whether you start from the farthest or the nearest brake caliper, the brake system could be bled correctly without compromising safety. This is a myth (RR, LR, FR, FL sequence) that has been accepted by most people.

What I found out was that people who use the farthest method sequence have not tried other sequences because they believe it is the only way to do it. While others who used random bleeding succesfully know sequence is not mandatory."

I'm a "random bleeder" myself, and have never had a problem. I simply proceed either clockwise or anti-clockwise around the car, for simplicity.

You have to bleed the whole system in sequence. It is a two man job. you have air in the system. You must bleed each wheel starting with the wheel farthest from the master cylinder. then the next wheel that shares the same circuit then the next and the next. Each car has its own sequence to follow. front wheel drive cars bleed differently than rear wheel cars . You must keep the master cylinder full as you do this, as to not allow any more air to enter the system. If air has entered the ABS system it will have to be bleed as well .. You have to refer to a manual for your car.

Start furthest from master cylinder. Passenger rear, driver rear, passenger front, driver front. These Montana vans have an abs system that can only be cycled by a computer. I had to take to a dealer to get them to bleed the system. Cost about $100 dollars. If you didn't remove any lines from master cylinder you should be okay w/out.

The proper sequence to bleeding any brakes, are usually to do the one farthest away from the master cyl. first, and continue till ur at the last one. (left front). Rear brakes, then to the front brakes!

start with furthest from master cylinder, loosen bleed nipple then get someone to press and hold brake pedal, tighten nipple, repeat until no air. Remember to top up master cylinder, continue with next nearest till done

You always start from the longest to the shortest brakelines.

Bleed the back brakes first until you get clear brake fluid then you bleed the front brakes, make sure you keep the brake master cylinder topped up so you don't get air into the brake lines..

The brake system bleeding procedure differs for ABS and non-ABS vehicles. The following procedure pertains only to non-ABS vehicles. For details on bleeding ABS equipped vehicles, refer to the ABS procedures later in this section.

WARNING Make sure the master cylinder contains clean DOT 3 brake fluid at all times during the procedure.

1. The master cylinder must be bled first if it is suspected of containing air. Bleed the master cylinder as follows:
   1. Position a container under the master cylinder to catch the brake fluid.
   2. Loosen the left front brake line (front upper port) at the master cylinder and allow the fluid to flow from the front port.
   3. Connect the line and tighten to 24 ft. lbs. (32 Nm).
   4. Have an assistant depress the brake pedal slowly one time and hold it down, while you loosen the front line to expel air from the master cylinder. Tighten the line, then release the brake pedal. Repeat until all air is removed from the master cylinder.
   5. Tighten the brake line to 24 ft. lbs. (32 Nm) when finished.
   6. Repeat these steps for the right front brake line (rear upper port) at the master cylinder.
      

WARNING Do not allow brake fluid to spill on or come in contact with the vehicle' finish, as it will remove the paint. In case of a spill, immediately flush the area with water.

1. If a single line or fitting was the only hydraulic line disconnected, then only the caliper(s) or wheel cylinder(s) affected by that line must be bled. If the master cylinder required bleeding, then all calipers and wheel cylinders must be bled in the proper sequence:
   1. Right rear
   2. Left front
   3. Left rear
   4. Right front
2. Bleed the individual calipers or wheel cylinders as follows:
   1. Place a suitable wrench over the bleeder screw and attach a clear plastic hose over the screw end.
   2. Submerge the other end in a transparent container of brake fluid.
   3. Loosen the bleed screw, then have an assistant apply the brake pedal slowly and hold it down. Close the bleed screw, then release the brake pedal. Repeat the sequence until all air is expelled from the caliper or cylinder.
   4. When finished, tighten the bleed screw to 97 inch lbs. (11 Nm) for the front, or 66 inch lbs. (7.5 Nm) for the rear.
3. Check the pedal for a hard feeling with the engine not running. If the pedal is soft, repeat the bleeding procedure until a firm pedal is obtained.

Fig. 1: Loosen the front brake line in order to bleed the master cylinder

Fig. 2: Connect a bleed hose from the bleed valve on the front caliper to a jar of brake fluid

Fig. 3: Always follow the lettered sequence when bleeding the hydraulic brake system

Hope this helps to solve it; remember to rate this answer.

normally, the brakes are bled starting from the furthest brake to the closest with respect to the master brake cylinder. the sequence is : right rear, left rear, right front, left front. pump the brakes until pressure is built up. do this rather slowly. while keeping downward pressure on the pedal, open the bleed screw slowly. the pedal will go to the floor. hold the pedal on the floor and tighten the bleed screw. do this until no air is observed. keep the reservoir. repeat with the rest of the brakes following in sequence

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