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 and off VERY fast to keep the boost at the proper constant. basically it prevents overboost electronically instead of relying on a set tension spring on your wastegate.

2007年5月19日 · 1.8t N75 valve (version C): The N75 valve controls the wastegate of your turbo. This is a direct replacement for your OEM stock 1.8t N75 valve. This valve is from a 1.8T AWD motor and is the smoothest boost delivery of all the valves. 1.8t N75 valve (version J): This is the N75 valve from an Audi TT 225.

2010年3月5日 · This briefly explains the operation of a N75 valve. Also made a quick rough drawing. The N75 valve function is to control the boost. This is done by using the existing boost by tapping into a boost pipe just after the turbo compressor.

2009年1月2日 · This ECU controls boost pressure by either holding or dumping boost via a waste gate frequency valve (WGFV), the "N75", aka "pulsed charge pressure control (CPC) valve". The N75 is located near the front of the engine, near the MAF to turbo hose, as shown here:

2019年9月26日 · I was reading up earlier this week and last week that a pretty common problem is the N75 valve going bad so i replaced that and unplugged the positive terminal on the battery for about an hour after the replacement. Car has been …

2017年11月20日 · N75 controls boost, and N249 controls recirculation eg during a gearchange. Both ar erelated to controlling the turbocharger and boost-pressure, but they do different jobs. I guess they are mechanically different for connections so that it's hard to put them in a …

2007年3月17日 · The latest "710N" valve, as it is commonly known, helps reduce surging that may occur when modifying your 1.8T's engine. The 710N valve has a 14.4 lb. spring internally rather than an 8.8 lb. spring found in the earlier Golf, Jetta & New Beetle 1.8T motors as well as in all B5 Passat & Audi A4 1.8T applications.

Get your turbo back in action with a new N75 valve. 10X Entries For Our 8Y RS3 Sweepstakes! ON SALE! SAVE 25% Ensure a leak free installation. 8-12x8x0.4 Secures vacuum lines to the N75 valve. An excellent stock replacement.

2010年7月8日 · the n75 valve basically is a unit that takes the information that the ECU gives the N75 valve, and opens and closes the internal wastegate on our turbos, this in effect allows the car to either build up boost, or taper off boost, or run no boost at all. this process is controlled by the ECU and therefore when chipped it allows you to run the ...

2005年6月6日 · i just replace my n75 valve and i forgot to put the main electronical plug back in... I didn't have any boost AT ALL... just make sure everything is plugged in correctly and you should be fine.