2010年4月14日 · The N75 valve controls the turbo wastegate actuator via directing air pressure to it by actuating a tiny solenoid when the ECU decides its neccesary. this solenoid can turn on …

2008年4月15日 · This schematic should help some of you understand how the N75 does it's job. Happy browsing....

What is the N75 Valve? The N75 valve is a fundamental part of controlling boost on a 1.8T engine. Its a small electronic solenoid valve that the ECU regulates to control how much boost …

The N75 valve, also known as the wastegate frequency control valve, is a solenoid valve that is controlled by the engine’s ECU (Engine Control Unit). It is usually located near the …

2004年11月27日 · the n75 controls the vacuum to the turbo VNT actuator. it's a dumb device - a simple valve that is controlled by the ECU (and the "tune") to open/close vanes a certain …

2007年9月20日 · The N75 has three ports: one to the manifold where manifold pressure is sourced. The second goes into the turbo compressor inlet pipe as a "bypass" and the third …

2002年7月29日 · As we know, we got a turbo on our engine which produces boost. The turbo is "driven" by the exhaust gasses our engine produces. Exhaust spools up the turbine in the …

There is a sudden change in engine performance, and the engine has marked reduction in power. It seems as if the power improves a little with higher rpm: 70mph (120kph is possible, but it …

2006年8月9日 · Changing the N75 valve on the 2.7T engine is very straightforward. In fact, it's so straightforward that this writeup could be considered quite unnecessary! I figured I'd post it …

2010年7月6日 · Use a short section of vacumm hose (8") and connect between the "Vac" port on the N-75 and the vacumm nipple on the main checkvalve. This will eliminate every thing else …