Holden PCV valve replacement
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Holden PCV valve replacement
Holden PCV Valve Replacement
PCV stands for positive crankcase ventilation. The PCV valve is part of the emissions control system on your Holden and it is also a crankcase ventilation system. It allows the Holden’s engine to ‘breathe’ and removes harmful oil vapours from being released into the atmosphere. The PCV valve regulates the pressure and vapour being released out of the crankcase and moves the vapour into the intake manifold where it blends with the air/fuel mixture and continues through the combustion process.
The valve is situated near or in the top of the Holden’s rocker cover (valve cover). The PCV valve can get stuck open or clogged with sludge and should be inspected regularly and replaced when required. If the PCV valve is failing it can cause your Holden’s engine to run rough and you may notice some exhaust smoke and oil leaks.
One end of the valve is larger than the other, making it almost impossible to fit the valve the wrong way round. Internally the PCV valve closes when your Holden’s engine is off or when there is back pressure. It opens when the engine is idling (low flow) and accelerating (high flow) based on vacuum pressure.
If the PCV valve is left faulty, the extra gunk can foul your Holden’s spark plugs and increase oil consumption. For such an inexpensive item, there really is no excuse for not getting the PCV valve replaced. New spark plugs and replacing burnt oil will cost you much more.
Holden Models
- Holden Acadia
- Holden Adventra
- Holden Apollo
- Holden Astra
- Holden Avalanche
- Holden Barina
- Holden Barina Spark
- Holden Berlina
- Holden Calais
- Holden Calibra
- Holden Camira
- Holden Caprice
- Holden Captiva
- Holden Cascada
- Holden Clubsport
- Holden Colorado
- Holden Combo
- Holden Commodore
- Holden Coupe
- Holden Crewman
- Holden Cruze
- Holden Epica
- Holden Equinox
- Holden Frontera
- Holden Grange
- Holden GTS
- Holden GTSR
- Holden Insignia
- Holden Jackaroo
- Holden Malibu
- Holden Maloo
- Holden Monaro
- Holden Nova
- Holden One Tonner
- Holden Piazza
- Holden Rodeo
- Holden Senator
- Holden Shuttle
- Holden Spark
- Holden Sportwagon
- Holden Statesman
- Holden Suburban
- Holden SV
- Holden Tigra
- Holden Trailblazer
- Holden Trax
- Holden Ute
- Holden Vectra
- Holden Viva
- Holden Volt
- Holden W427
- Holden XU6
- Holden Zafira-A