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Home >> Lexus >> 2019 >> LS 500 Base, RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) - Service Information >> Vacuum Pump >> Removal [12/2017 - ] >> Procedure

Removal [12/2017 - ]: Procedure

  1. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 11 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 11 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 11 [10/2020 - 10/2022] , or refer to PROCEDURE - Step 11 [10/2022 - 10/2023] , or refer to PROCEDURE - Step 11 [10/2023 - ]

  2. REMOVE RADIATOR COVER PLATE 

    Refer to PROCEDURE - Step 9 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 9 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 9 [10/2020 - 10/2022] , or refer to PROCEDURE - Step 9 [10/2022 - 10/2023] , or refer to PROCEDURE - Step 9 [10/2023 - ]

  3. REMOVE HOOD TO COWL TOP SEAL 

    Refer to PROCEDURE - Step 6 [12/2017 - 10/2020] , or refer to PROCEDURE - Step 6 [10/2020 - ]

  4. REMOVE CENTER NO. 2 COWL TOP VENTILATOR LOUVER 

    Refer to PROCEDURE - Step 8 [12/2017 - 10/2020] , or refer to PROCEDURE - Step 8 [10/2020 - ]

  5. REMOVE FENDER APRON BRACE SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 27 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 27 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 27 [10/2020 - 10/2022] , or refer to PROCEDURE - Step 27 [10/2022 - 10/2023] , or refer to PROCEDURE - Step 27 [10/2023 - ]

  6. DRAIN COOLANT (for Intercooler) 

    Refer to PROCEDURE - Step 4

  7. REMOVE THROTTLE W/THROTTLE POSITION SENSOR BODY ASSEMBLY 

    Refer to REMOVAL [12/2017 - ]

  8. DISCONNECT FUEL VAPOR FEED PIPE 

    Refer to PROCEDURE - Step 3 [12/2017 - 10/2020] , or refer to PROCEDURE - Step 3 [10/2020 - ]

  9. REMOVE V-BANK COVER BRACKET 

    Refer to PROCEDURE - Step 4 [12/2017 - 10/2020] , or refer to PROCEDURE - Step 4 [10/2020 - ]

  10. REMOVE NO. 1 VACUUM SWITCHING VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 12

  11. DISCONNECT ENGINE WIRE HARNESS 

    Refer to PROCEDURE - Step 6 [12/2017 - 10/2020] , or refer to PROCEDURE - Step 6 [10/2020 - ]

  12. DISCONNECT INLET HEATER WATER HOSE 

    Refer to PROCEDURE - Step 50 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 50 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 50 [10/2020 - 10/2022] , or refer to PROCEDURE - Step 50 [10/2022 - 10/2023] , or refer to PROCEDURE - Step 50 [10/2023 - ]

  13. DISCONNECT OUTLET HEATER WATER HOSE 

    Refer to PROCEDURE - Step 51 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 51 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 51 [10/2020 - 10/2022] , or refer to PROCEDURE - Step 51 [10/2022 - 10/2023] , or refer to PROCEDURE - Step 51 [10/2023 - ]

  14. REMOVE NO. 1 WATER BY-PASS TUBE 

    Refer to PROCEDURE - Step 9 [12/2017 - 10/2020] , or refer to PROCEDURE - Step 9 [10/2020 - ]

  15. REMOVE WIRING HARNESS CLAMP BRACKET 
    1. Detach the clamp.
      GTY800312Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and wiring harness clamp bracket.
  16. REMOVE VACUUM PUMP ASSEMBLY 
    1. Pinch the retainer of the connector, and then pull the connector off of the vacuum pump assembly.
      GTY788925Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Retainer
      Pinch
      Pull off
      NOTE:

      Be sure to disconnect the connector by hand.

    2. Remove the 3 bolts and vacuum pump assembly from the engine assembly.
      GTY832777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the No. 1 vacuum pump O-ring.
      GTY800310Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002