Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001GMQP |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 - 11/2022] |
Title: 2ZR-FAE (EMISSION CONTROL): PCV VALVE: INSPECTION; 2020 - 2023 MY Corolla [01/2019 - 11/2022] |
INSPECTION
PROCEDURE
1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)
(a) Install a clean hose to the PCV valve (ventilation valve sub-assembly).
(b) Check the PCV valve (ventilation valve sub-assembly) operation.
(1) Blow air into the No. 1 ventilation case side, and check that air passes through easily.
*a
|
Hose
|
*b
|
Air
|
|
No. 1 Ventilation Case 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).
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