How to Flush Brake Fluid


Below guide will teach you How to Flush Brake Fluid. Please follow the instructions carefully.

Things You’ll Need:

  • Floor Jack
  • Brake Bleeder Kit
  • Flare Nut Wrench
  • Jack Stand Set
  • 1/2 in. Drive Socket Set
  • 1/2 in. Drive Torque Wrench
  • Brake Fluid
  • Can of brake cleaner
  • Clear Plastic Tube

Estimated Costs:

  • DIY Costs: Est. $41.95 parts only
  • Shop Costs: Est. $138.07 parts and labor

Image may not be specific to your car

Instructions:

  • Check the brakes while taking a small drive and make sure that the problem is with brakes.
  • Secure the vehicle on flat surface and put it on parking brake.
  • Prop the engine hood up and look for the master cylinder reservoir on the driver side.
  • Withdraw the old brake fluid out from the reservoir and add fresh brake fluid to the reservoir.
  • Next, loosen the wheel lug nuts before using floor jack.
  • Raise the vehicle with the floor jack. Floor jack alone is not enough to ensure your safety so support the vehicle on jack stands so that you can work properly.
  • Take the loosened lug nuts out and take the wheels away from the vehicle.
  • On passenger side rear brake, look for the brake bleeder valve.
  • Take a piece of clear plastic tubing and fix its one end to the bleeder screw and the other end should be inserted into the container filled with brake fluid.
  • Before proceeding, make sure that you have placed a wooden block of 1 x 4 sized under the brake pedal. This is done to make sure that brake pedal doesn’t move far away.
  • Now told your assistant to depress and release the brake pedal rapidly for some time and then depress it and hold it.
  • Remove the bleeder screw and let the old fluid and air bubbles withdraw through the piece of tubing. Recap the screw.
  • Continue to do this till you see that no air bubbles are coming out of the reservoir and also the fluid coming out is clear. During all that process, you need to keep this thing in mind that reservoir should not be emptied completely.
  • Fill up the reservoir with new fluid as required. Make sure that the level of the fluid in the reservoir is touching the ‘Max’ mark.
  • You have to repeat the steps from 9 to 14 for other remaining wheels you have to follow the order like left rear wheel, right front wheel and then left front wheel.
  • Put the wheels back and secure them with lug nuts. Remove the vehicle from jack stands and ground the vehicle.
  • Depress the brake pedal and make sure it has enough resistance. Take a small drive to make certain that brakes are properly functioning.

Tips & Warning

  • Don’t forget to use protective clothing while working under the vehicle. Personal Protective Equipment such as safety goggles, latex gloves and closed toe shoes must be used to avoid injuries.

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