The fastest and most reliable way to find parts and accessories that fit your specific Toyota model is to use our Part Finder.
Genuine Toyota PCV Valves & Hoses
What Is Toyota Positive Crankcase Ventilation?
Positive Crankcase Ventilation, or PCV, is an emissions and engine-breathing system that manages gases leaking past the piston rings and into the crankcase. Instead of allowing those gases to build up inside the engine, the PCV system routes them back into the intake so they can be burned during normal combustion.
In simple terms, the PCV system helps your Toyota breathe properly from the inside out. When it works as intended, it protects seals, keeps oil cleaner for longer and helps the engine run more efficiently.
Main Parts in a Toyota PCV System
A Toyota PCV system usually includes several small but important components that work together:
- PCV valve: The main valve that regulates the flow of crankcase gases into the intake manifold.
- PCV hose or vacuum hose: Carries vapours and vacuum between the PCV valve, valve cover and intake system.
- Grommet or rubber seal: Holds the PCV valve in place and helps maintain a tight seal.
- Oil separator or baffle: Helps reduce the amount of oil mist entering the intake system.
Symptoms of a Bad PCV Valve
A faulty PCV valve can cause a range of drivability and engine health problems. Common symptoms include:
- Rough idle or stalling: A stuck-open or clogged valve can upset the air-fuel mixture and make the engine idle poorly.
- Increased oil consumption: A bad PCV valve may draw too much oil mist into the intake, causing the engine to use more oil than normal.
- Oil leaks: Excess crankcase pressure can force oil past seals and gaskets, leading to visible leaks.
- Sludge build-up: If crankcase vapours are not being evacuated properly, moisture and contaminants can build up into sludge.
If your Toyota shows one or more of these signs, the PCV valve and related hoses should be inspected as soon as possible.
Nunawading Toyota Parts Range of PCV Parts
Nunawading Toyota Parts supplies genuine Toyota PCV valves and related crankcase ventilation parts for a wide range of Toyota models. Our range includes PCV valves, hoses, seals, grommets and other related components designed to suit Toyota’s factory specifications. We stock genuine parts for many Toyota models and offer Australia-wide shipping, with click & collect available for Melbourne customers.
Use our online part finder tool to quickly locate the correct genuine Toyota PCV valve or related part for your vehicle. If you can’t find the part you need, or you’re unsure which PCV component suits your engine, contact our team for help. We’ll help you identify the right genuine Toyota PCV valve and related parts for your vehicle.
