Having problems with your 1999 Lexus ES 300 ?

How do I bleed the actuator on a 99 lexus ES 300; contrary to manual, there's no bleeder plug.

Posted / edited by AnonymousUser on : 14-09-2020

Answers :

This job is not as easy as it looks. System bleeding requires conventional bleeding methods plus use \015\012of the DRB scan tool. The procedure involves performing a base brake \015\012bleeding, followed by use of the scan tool to cycle and bleed the HCU \015\012pump and solenoids. A second base brake bleeding procedure is then \015\012required to remove any air remaining in the system.\015\012
    \015\012
  1. \015\012Perform base brake bleeding.\015\012
  2. \015\012
  3. \015\012Connect scan tool to the Data Link Connector (DLC).\015\012
  4. \015\012
  5. \015\012Select ANTI-LOCK BRAKES, followed by MISCELLANEOUS, then ABS \015\012BRAKES. Follow the instructions displayed. When scan tool displays TEST \015\012COMPLETE, disconnect scan tool and proceed.\015\012
  6. \015\012
  7. \015\012Perform base brake bleeding a second time.\015\012
  8. \015\012
  9. \015\012Top off master cylinder fluid level and verify proper brake \015\012operation before moving vehicle.

ES 330 With VSC, LS 250 And LS 350
\015\012\015\012NOTE\015\012\015\012After performing the usual air bleeding in the brake system, if \015\012the height or feel of the brake pedal cannot be obtained, perform air \015\012bleeding in the brake actuator assy with a hand-held tester by following\015\012 procedures below. Make sure that the brake fluid in the master cylinder\015\012 reservoir tank does not become empty.\015\012\015\012\015\012\015\012
    \015\012
  1. \015\012Depress the brake pedal more than 20 times with the engine off.\015\012
  2. \015\012
  3. \015\012Connect the hand-held tester to the DLC3, then turn the ignition \015\012switch to the ON position.\015\012
  4. \015\012
  5. \015\012Do not start the engine.\015\012
  6. \015\012
  7. \015\012Select -AIR BLEEDING- on the hand-held tester. Please refer to the\015\012 Hand-Held Tester Operator-s Manual for further details.\015\012
  8. \015\012
  9. \015\012Bleed the air out of the regular brake line in -Step1: Increase- \015\012on the hand-held tester display. Perform the air bleeding by following \015\012the steps displayed on the hand-held tester. Make sure that the brake \015\012fluid in the master cylinder reservoir tank does not become empty.\015\012
  10. \015\012
  11. \015\012Connect the vinyl tube to either one of the bleeder plugs.\015\012
  12. \015\012
  13. \015\012Depress the brake pedal several times, then loosen the bleeder \015\012plug of one of the above wheels with the pedal depressed.\015\012
  14. \015\012
  15. \015\012When fluid stops coming out, tighten the bleeder plug, then \015\012release the brake pedal.\015\012
  16. \015\012
  17. \015\012Repeat (2) and (3) until all air in the fluid is completely bled \015\012out.\015\012
  18. \015\012
  19. \015\012Tighten the bleeder plug to 73 inch lbs. (8.3 Nm).\015\012
  20. \015\012
  21. \015\012Repeat the above procedure to bleed the air out of the brake line \015\012for each wheel.\015\012
  22. \015\012
  23. \015\012Bleed the air out of the suction line in -Step2: Inhalation- on \015\012the hand-held tester display.\015\012
  24. \015\012
  25. \015\012Connect the vinyl tube to the bleeder plug at the right front \015\012wheel or the right rear wheel and loosen the bleeder plug.\015\012
  26. \015\012
  27. \015\012Operate the brake actuator assy using the hand-held tester to \015\012bleed the air.\015\012
    \015\012\015\012NOTE\015\012\015\012The operation stops automatically in 4 seconds. At this time, be \015\012sure to release the brake pedal.\015\012\015\012\015\012\015\012
  28. \015\012
  29. \015\012Check that the operation has stopped, by referring to the \015\012hand-held tester display.\015\012
  30. \015\012
  31. \015\012Repeat (2) and (3) until all the air in the fluid is completely \015\012bled out.\015\012
  32. \015\012
  33. \015\012Tighten the bleeder plug.\015\012
  34. \015\012
  35. \015\012For the rest of the wheels, bleed the air in the same way as \015\012stated in the above procedure.\015\012
  36. \015\012
  37. \015\012Bleed the air out of the pressure reduction line in -Step3: \015\012Decrease- on the hand-held tester display.\015\012
  38. \015\012
  39. \015\012Connect a vinyl tube to either one of the bleeder plugs.\015\012
  40. \015\012
  41. \015\012Loosen the bleeder plug.\015\012
  42. \015\012
  43. \015\012Using the hand-held tester, operate the brake actuator assy using \015\012hand-held tester, completely depress the brake pedal and keep it.\015\012
    \015\012\015\012NOTE\015\012\015\012The operation stops automatically in 4 seconds. When performing \015\012this procedure continuously, an interval of at least 20 seconds is \015\012required. When the operation is completed, the brake pedal slightly goes\015\012 down. This is a normal phenomenon caused when the solenoid opens. \015\012During this procedure, the pedal seems heavy, but completely depress it \015\012so that the brake fluid comes out from the bleeder plug. Be sure to keep\015\012 depressing the brake pedal. Never depress and release the pedal \015\012repeatedly.\015\012\015\012\015\012\015\012
  44. \015\012
  45. \015\012Tighten the bleeder plug, then release the brake pedal.\015\012
  46. \015\012
  47. \015\012Repeat 3 previous steps until all the air in the fluid is \015\012completely bled out.\015\012
  48. \015\012
  49. \015\012Tighten the bleeder plug.\015\012
  50. \015\012
  51. \015\012Repeat the above procedure to bleed the air out of the brake line \015\012for each wheel.\015\012
  52. \015\012
  53. \015\012Bleed the air out of the regular brake line again in -Step4: \015\012Increase- on the hand-held tester display.\015\012
  54. \015\012
  55. \015\012Connect the vinyl tube to either one of the bleeder plug.\015\012
  56. \015\012
  57. \015\012Depress the brake pedal several times, then loosen the bleeder \015\012plug of one of the above wheels with the pedal depressed.\015\012
  58. \015\012
  59. \015\012When fluid stops coming out, tighten the bleeder plug, then \015\012release the brake pedal.\015\012
  60. \015\012
  61. \015\012Repeat the previous 2 steps until all the air in the fluid is \015\012completely bled out.\015\012
  62. \015\012
  63. \015\012Tighten the bleeder plug.\015\012
  64. \015\012
  65. \015\012Repeat the above procedure to bleed the air out of the brake line \015\012for each wheel.

Hope helps.
Repair Help & Product Troubleshooting for 1999 Lexus ES 300

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