Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM10000000268I8
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 -           ]
Title: G16E-GTS (EMISSION CONTROL): PCV VALVE: INSPECTION; 2023 - 2025 MY GR Corolla [09/2022 -        ]

INSPECTION

PROCEDURE

1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

(a) Install a hose to the PCV valve (ventilation valve sub-assembly).

(b) Check PCV valve (ventilation valve sub-assembly) operation.

(1) Blow air into the cylinder head sub-assembly side, and check that air passes through easily.

*a

Hose

*b

Air

Cylinder Head Sub-assembly Side

CAUTION:

Do not suck air through the valve.

Petroleum substances inside the valve are hazardous to your health.

If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly).

(2) Blow air into the intake manifold side, and check that air passes through with difficulty.

*a

Hose

*b

Air

Intake Manifold Side

CAUTION:

Do not suck air through the valve.

Petroleum substances inside the valve are hazardous to your health.

If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly).

(c) Remove the hose from the PCV valve (ventilation valve sub-assembly).