BRAKE FLUID(w/o ABS) BLEEDING

CAUTION / NOTICE / HINT

Tech Tips

If any work is performed on the brake system or if air in the brake lines is suspected, bleed air from the brake system.

Note


  • Move the shift lever to neutral and apply the parking brake before bleeding the brakes.

  • Add brake fluid to keep the level between the MIN and MAX lines of the reservoir while bleeding the brakes.

  • If brake fluid leaks onto any painted surface, immediately wash it off.

  • When bleeding air, select the suitable procedure listed below.

    Replaced/Installed Item Work Procedure
    Rear flexible hose Bleed brake line
    Rear wheel cylinder assembly
    Front flexible hose Bleed brake system
    Front disc brake cylinder assembly
    Load sensing proportioning valve
    Brake master cylinder sub-assembly
    Brake master cylinder reservoir assembly
    Brake booster assembly

PROCEDURE


  1. BLEED BRAKE LINE


    1. Remove the brake master cylinder reservoir filler cap assembly.

    2. Add brake fluid to keep the level between the MIN and MAX lines of the reservoir while bleeding the brakes.

      Brake Fluid
      except TSAM Made
      SAE J1703 or FMVSS No. 116 DOT 3
      for TSAM Made
      SAE J1704 or FMVSS No. 116 DOT 4

      Note

      Do not remove the filter from the brake master cylinder reservoir and be sure to fill with new brake fluid to avoid any potential contamination of the brake system. Contamination, for example by dirt particles or mineral oil, could lead to functional brake problems.

    3. Loosen the bleeder plug of the front disc brake cylinder RH.

    4. Repeatedly depress the brake pedal and bleed the air from the bleeder plug of the front disc brake cylinder RH.

      Note

      Add fluid as necessary so that the fluid in the reservoir does not decrease below the MIN level.

    5. After air is completely bled out, tighten the bleeder plug while depressing the brake pedal.

      Torque:
      8.3 N*m  { 85 kgf*cm, 73 in.*lbf }

    6. Bleed the air from the bleeder plug of the front disc brake cylinder LH using the same procedure as for the RH side.

    7. Loosen the bleeder plug of the rear wheel cylinder RH.

    8. Repeatedly depress the brake pedal and bleed the air from the bleeder plug of the rear wheel brake cylinder RH.

      Note

      Add fluid as necessary so that the fluid in the reservoir does not decrease below the MIN level.

    9. After air is completely bled out, tighten the bleeder plug while depressing the brake pedal.

      Torque:
      11 N*m  { 112 kgf*cm, 8 ft.*lbf }

    10. Bleed the air from the bleeder plug of the rear wheel brake cylinder LH using the same procedure as for the RH side.

    11. Check for brake fluid leaks.

    12. Check the brake fluid level in the reservoir.

      Click here

  2. BLEED BRAKE SYSTEM

    Note

    Be sure to clean your hands before bleeding from the master cylinder to avoid any potential contamination of the brake system. Contamination, for example by dirt particles or mineral oil, could lead to functional brake problems.


    1. Bleed the brake master cylinder.

      Tech Tips

      If the brake master cylinder has been disassembled or if the reservoir becomes empty, bleed air from the brake master cylinder.


      1. Remove the brake master cylinder reservoir filler cap assembly.

      2. Add brake fluid until the fluid level is between the MIN and MAX lines of the reservoir.

        Brake Fluid
        except TSAM Made
        SAE J1703 or FMVSS No. 116 DOT 3
        for TSAM Made
        SAE J1704 or FMVSS No. 116 DOT 4

        Note

        Do not remove the filter from the brake master cylinder reservoir and be sure to fill with new brake fluid to avoid any potential contamination of the brake system. Contamination, for example by dirt particles or mineral oil, could lead to functional brake problems.

      3. Using a union nut wrench, disconnect the 2 brake lines from the brake master cylinder.

        B002509C01
        *A for LHD *B for RHD

        Note


        • Do not damage or deform the brake lines.

        • Do not allow any foreign matter such as dirt or dust to enter the brake lines from the connecting parts.

      4. Slowly depress and hold the brake pedal.*1

      5. Block the outer holes with your fingers, and release the pedal.*2

        B0026ZGC01
        *A for LHD *B for RHD

      6. Repeat steps *1 and *2, 3 or 4 times.

      7. B0068F6C03
        *a Torque Wrench Fulcrum Length

        Using a union nut wrench, connect the 2 brake lines to the brake master cylinder.

        Torque:
        Specified tightening torque
        15.2 N*m  { 155 kgf*cm, 11 ft.*lbf }

        Tech Tips


        • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

          Click here

        • When using a union nut wrench (fulcrum length of 22 mm (0.8661 in.)) + torque wrench (fulcrum length of 162 mm (6.3779 in.)): 13.4 N*m (137 kgf*cm, 10 ft.*lbf)

    2. Bleed the load sensing proportioning valve.


      1. Remove the bleeder plug cap.

      2. Connect a vinyl tube to the bleeder plug.

      3. A01WBFL

        Depress the brake pedal several times, and then loosen the bleeder plug with the pedal depressed.

      4. When fluid stops coming out, immediately tighten the bleeder plug. Then release the pedal.

      5. Repeat the 2 previous steps until all the air in the brake fluid is gone.

      6. Tighten the bleeder plug.

        Torque:
        10.5 N*m  { 107 kgf*cm, 8 ft.*lbf }

      7. Install the bleeder plug cap.

      8. Bleed air from the brake line for each wheel by repeating the above procedures.

    3. Bleed the brake line.


      1. Remove the brake master cylinder reservoir filler cap assembly.

      2. Add brake fluid to keep the level between the MIN and MAX lines of the reservoir while bleeding the brakes.

        Brake Fluid
        except TSAM Made
        SAE J1703 or FMVSS No. 116 DOT 3
        for TSAM Made
        SAE J1704 or FMVSS No. 116 DOT 4

        Note

        Do not remove the filter from the brake master cylinder reservoir and be sure to fill with new brake fluid to avoid any potential contamination of the brake system. Contamination, for example by dirt particles or mineral oil, could lead to functional brake problems.

      3. Loosen the bleeder plug of the front disc brake cylinder RH.

      4. Repeatedly depress the brake pedal and bleed the air from the bleeder plug of the front disc brake cylinder RH.

        Note

        Add fluid as necessary so that the fluid in the reservoir does not decrease below the MIN level.

      5. After air is completely bled out, tighten the bleeder plug while depressing the brake pedal.

        Torque:
        8.3 N*m  { 85 kgf*cm, 73 in.*lbf }

      6. Bleed the air from the bleeder plug of the front disc brake cylinder LH using the same procedure as for the RH side.

      7. Loosen the bleeder plug of the rear disc brake cylinder RH.

      8. Repeatedly depress the brake pedal and bleed the air from the bleeder plug of the rear wheel brake cylinder RH.

        Note

        Add fluid as necessary so that the fluid in the reservoir does not decrease below the MIN level.

      9. After air is completely bled out, tighten the bleeder plug while depressing the brake pedal.

        Torque:
        11 N*m  { 112 kgf*cm, 8 ft.*lbf }

      10. Bleed the air from the bleeder plug of the rear wheel brake cylinder LH using the same procedure as for the RH side.

    4. Check for brake fluid leaks.

    5. Check the brake fluid level in the reservoir.

      Click here