May 6, 2011 路 The N75 is the VW/Audi part identification number for the wastegate by-pass regulator valve. This valve is responsible for controlling the movement of the pneumatic actuator which drives the wastegate. The wastegate is an internal valve in the turbo-charger which controls the amount of exhaust gas that flows over the turbo impeller generating
Jan 2, 2009 路 The N75 is located near the front of the engine, near the MAF to turbo hose, as shown here: Here is a photo of the N75 in place on an AAN, showing the red power wire and the yellow/red signal wire to pin T55/33 of the ECU connector (takes the N75 to ground, through the ECU, as controlled by the ECU):
Oct 25, 2006 路 It is a pretty common failure point. The wire becomes disconnected inside the boot and throws a code for the N75 valve. Yours may be fine. To check your N75 valve, run an ohm meter across the two terminals there should be something like 25-30 ohms read there. If it is an infinite, then the valve is shot.
Mar 14, 2006 路 S4 / RS4 (B5 Platform) Discussion - N75 location for MBC install - Hi all, Just got my Piggie MBC and snub mount - will have some fun time this coming weekend. I want to install the MBC myself, parallel with N75. I would like to know if someone has a picture of the engine bay and show where the N75 is. BTW, how long
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audi a4 b5 n75 valve location
