How to remove the air from the disc brake cylinders

As important as bleeding is, most people don’t fully understand the importance of this process. Not only that the air will be eliminated from the system but also the contaminants that gather over time will be eliminated too.  This way you assure the long life of the braking system.

Follow these steps:

  1. After getting the car on a proper working area, engage the parking brake, and start loosening the lug nuts on the rear passenger’s side wheel. After that lift that corner of the car with a floor jack and place it on a jack stand. Remove completely the wheel.
  2. Find the bleeder plug just on the back of the drum brake or around the caliper. It looks like a small bolt with a nipple
  3. You must try to loosen the plug with a box-wrench. But first apply some penetrating oil on the plug and allow it to work on the rust. Don’t force the plug or cause any damage to it. Just be patient.
  4. While the wrench is still on the plug, you have to put a tube between the plug and a plastic container with brake fluid in it.
  5. Under the hood and near the rear of the engine compartment is the brake fluid reservoir filled with old brake fluid. Suck the fluid from it with a turkey baster and fill the reservoir with fresh and clean fluid.
  6. Just loosen the bleeder plug until you see fluid pouring out. At that moment start pressing the brake pedal to get the fluid out of the system and through the tube. Tighten the bleeder plug and refill the reservoir with fluid. Repeat the process until you see only clean fluid going out through the tube.
  7. It’s almost done. Just secure the bleeder valve, reinstall the wheels, and lower the car to the ground. Repeat the steps to bleed the other brakes. Refill the reservoir until is full. Test the brakes in the end.
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