Toyota Corolla Quiz
Maintenance

Positive Crankcase Ventilation (PCV) Valve and Hose

In this manual: Maintenance
Owner's Manual — 7Controls and Instruments — 49Engine Starting and Vehicle Operation — 5Actions if the Engine Does Not Start — 18Maintenance — 30Gasoline Engines - Repair Procedures Without Engine Removal from Vehicle — 17Gasoline Engines - Removal and Overhaul — 21Diesel Engine — 26Engine Electrical Equipment — 13Cooling and Heating Systems — 17Fuel and Exhaust Systems — 14Emission Control System — 19Manual transmission — 6Automatic transmission — 9Clutch and Axle Shafts — 11Brake System — 20Suspension and Steering — 24Body — 29Electrical System — 24Wiring Diagrams — 24
~1min read

PROCEDURE

1. The PCV valve and hose are located on the cylinder head cover.

2. Крепко взявшись, достаньте золотник из боковой поверхности крышки головки

2. Firmly grasp and remove the PCV valve from the side of the cylinder head cover.
3. With the warmed-up engine idling, place your finger over the PCV valve opening. Lack of vacuum indicates a clogged valve or hose. Replace a clogged or damaged hose.

4. Остановите двигатель. Снимите золотник со шланга. Оденьте на золотник отрезок

4. Stop the engine. Remove the valve core from the hose. Fit a section of clean hose onto the valve core and blow through the valve core from the side that goes into the cylinder head cover. Air must pass freely through
the valve core. If air does not pass, replace the valve core. Then blow from the opposite side and make sure that air passes with difficulty.
5. When purchasing a new valve core, make sure it matches the vehicle model and engine type. Compare the new valve core with the one being replaced and make sure that they are exactly the same.

Test yourself

A quick Toyota Corolla quiz: every answer comes with an explanation and a link to the manual page.