Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM10000000264NS
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 -           ]
Title: BRAKE SYSTEM (OTHER): VACUUM PUMP (for G16E-GTS): ON-VEHICLE INSPECTION; 2023 - 2025 MY GR Corolla [09/2022 -        ]

ON-VEHICLE INSPECTION

PROCEDURE

1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here 2023 MY GR Corolla [09/2022 - 11/2022]; G16E-GTS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+ 2023 - 2025 MY GR Corolla [11/2022 -        ]; G16E-GTS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

2. DISCONNECT CHECK VALVE TO CONNECTOR TUBE HOSE

Click here 2023 - 2025 MY GR Corolla [09/2022 -        ]; BRAKE SYSTEM (OTHER): VACUUM PUMP (for G16E-GTS): REMOVAL+

3. OPERATION CHECK

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

*a

Vacuum Gauge

*b

Plug

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

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

Standard Pressure:

More 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 2023 - 2025 MY GR Corolla [09/2022 -        ]; BRAKE SYSTEM (OTHER): VACUUM PUMP (for G16E-GTS): INSPECTION

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

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

4. CONNECT CHECK VALVE TO CONNECTOR TUBE HOSE

Click here 2023 - 2025 MY GR Corolla [09/2022 -        ]; BRAKE SYSTEM (OTHER): VACUUM PUMP (for G16E-GTS): INSTALLATION+

5. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here 2023 MY GR Corolla [09/2022 - 11/2022]; G16E-GTS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION+ 2023 - 2025 MY GR Corolla [11/2022 -        ]; G16E-GTS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION+