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Home >> Tesla >> 2021 >> Model Y Performance >> Repair and Diagnosis >> Brakes >> Traction Control >> Brakes -- Model Y >> Brake Pipes And Hoses >> Brake Fluid Check >> Procedure

Brake Fluid Check: Procedure

CAUTION: Brake fluid dissolves paint. Have clean towels and plenty of water standing by to wash spilled brake fluid off painted surfaces.
  1. Remove the rear underhood apron. See UNDERHOOD APRON - REAR (REMOVE AND REPLACE) .
  2. Clean the area around the brake fluid reservoir and then remove the brake fluid reservoir cap.
    G14841390Courtesy of TESLA, INC.
  3. Remove the front RH pinwheel cap, if installed. See Cap - Wheel (Remove and Replace) .
  4. Remove the cover from the outer brake bleed valve of the front RH caliper.
    G14841391Courtesy of TESLA, INC.
  5. Position a shop towel over the wheel spokes so as to protect from brake fluid.
    G14841392Courtesy of TESLA, INC.
  6. Loosen the brake bleed valve only enough to allow a drop of brake fluid to seep out, and then close the valve.
    G14841393Courtesy of TESLA, INC.
  7. Remove a brake test strip from the container, and then close the container.
  8. Touch the square pad of the test strip to the fluid, remove the test strip from the wheel, gently shake the test strip over a shop towel to remove excess brake fluid, and start a 90 second timer.
    G14841394Courtesy of TESLA, INC.
  9. After 90 seconds, compare the color of the test strip square pad to the color chart on the side of the container.
    • If the test strip square pad is darker than the 30 PPM color sample, a brake fluid bleed/flush is recommended.
    • If the test strip square pad is the same color, or lighter than the 30 PPM color sample, it is recommended to repeat this brake fluid check in 2 years.
  10. Record the test strip result and recommendation into the Public Notes field of the Job Line.
  11. Tighten the brake bleed valve.

    18.5 N.m (13.6 ft-lbs) 

    G14841395Courtesy of TESLA, INC.
  12. Use the shop towel to wipe any excess brake fluid from the brake bleed valve and the caliper.
  13. Install the cover onto the outer brake bleed valve.
    G14841396Courtesy of TESLA, INC.
  14. Install the front RH pinwheel cap, if removed. See Cap - Wheel (Remove and Replace) .
  15. Install the brake fluid reservoir cap.
    G14841397Courtesy of TESLA, INC.
  16. Install the rear underhood apron. See UNDERHOOD APRON - REAR (REMOVE AND REPLACE) .
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