Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001GP3L
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: BRAKE SYSTEM (OTHER): VACUUM PUMP (for TMC Made 2ZR-FAE): ON-VEHICLE INSPECTION; 2020 - 2022 MY Corolla [01/2019 - 09/2022]

ON-VEHICLE INSPECTION

PROCEDURE

1. OPERATION CHECK

(a) Slide the clip and disconnect the check valve to connector tube hose from the vacuum pump assembly.

(b) Connect the hose of the vacuum gauge to the vacuum pump assembly.

*a

Vacuum Gauge

*b

Plug

(c) Start the engine and warm it up for more than 2 minutes.

(d) With the engine idling, check the vacuum of the vacuum pump assembly.

Standard pressure:

Higher than 86.7 kPa (650 mmHg, 25.6 in.Hg)

HINT:

  • If the pressure is less than the standard, disassemble and inspect the vacuum pump. If necessary, replace the vacuum pump assembly.

    Click here 2020 - 2022 MY Corolla [01/2019 - 09/2022]; BRAKE SYSTEM (OTHER): VACUUM PUMP (for TMC Made 2ZR-FAE): INSPECTION

  • Always perform this operation check procedure after replacing or servicing the vacuum pump assembly.

(e) Remove the vacuum gauge from the vacuum pump assembly.

(f) Connect the check valve to connector tube hose to the vacuum pump assembly and slide the clip to secure it.