2009年3月24日 · Back in the 60's muscle car era it was common for car's to have breather caps on their oil fill bungs. The purpose was to vent crank case pressure to the atmosphere. This …

2010年10月23日 · Under low load you'll see 1-2psi of crankcase pressure depending on many factors. An increase of 1psi may not sound like much, but is potentially a 50-100% increase in …

2016年3月24日 · I just installed the SPD kit on my car and I picked up a STI PCV Valve since a lot of people were recommending replacing it since the stock one is plastic. However where I …

2008年2月23日 · The PCV itself rarely fails - take it off and shake it. If it rattles, it's working - all it is is a simple ball check-valve. If it "sticks", you'll have massive oil loss and smoke under high …

2017年5月11日 · It appears in 2017 Subaru switched to a new "quick" disconnect on the WRX front CCV system: http://i.imgur.com/Ce1CthJ.png Getting this connector off sucked. You have …

Maintaining and periodically replacing the PCV (Positive Crankcase Ventilation) valve is a vital aspect of routine maintenance for a 2004-2016 Subaru STI, 2004-2007 WRX, and 2004-2008 …

2008年12月11日 · Most stock motors have a sufficient venting system that is designed for their specific performance levels, (i.e. the positive crankcase ventilation system, aka PCV). There is …

2008年7月18日 · The PCV valve is only one part of the PCV system, which is essentially a variable and calibrated air leak, whereby the engine returns its crankcase combustion gases. …

2009年3月23日 · PCV is Positive Crankcase Ventilation valve and uses manifold vacuum pressure to draw out crankcase vapors. The pressure control solenoid is used as part of the …

2020年6月9日 · PCV or “positive crankcase ventilation” vents high pressure air from your engine to the intake. This air tends to have oil in it, which can reduce octane of the fuel mixture when …