Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001PTIX
Model Year Start: 2021 Model: Avalon Prod Date Range: [08/2020 -           ]
Title: BRAKE SYSTEM (OTHER): VACUUM PUMP (for A25A-FKS): ON-VEHICLE INSPECTION; 2021 - 2022 MY Avalon [08/2020 -        ]

ON-VEHICLE INSPECTION

PROCEDURE

1. OPERATION CHECK

(a) Disconnect the No. 1 vacuum hose connector from the vacuum pump assembly.

Click here 2021 - 2022 MY Avalon [08/2020 -        ]; BRAKE SYSTEM (OTHER): VACUUM PUMP (for A25A-FKS): REMOVAL+

(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:

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

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

Click here 2021 - 2022 MY Avalon [08/2020 -        ]; BRAKE SYSTEM (OTHER): VACUUM PUMP (for A25A-FKS): DISASSEMBLY

HINT:

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 No. 1 vacuum hose connector to the vacuum pump assembly.

Click here 2021 - 2022 MY Avalon [08/2020 -        ]; BRAKE SYSTEM (OTHER): VACUUM PUMP (for A25A-FKS): INSTALLATION+