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Anyone tried a different n75 valve on there cars
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If anyone is searching for new ones: https://www.autewo.de/034906283k-neu...taktventil/n75
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Originally posted by Mikes2 View PostIf the car has ever been to superchips, it was common to see this disconnected
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So I've not tested the N75 yet but not sure there is much point. As shown in the picture below there is a crack in the housing, and it's not holding air or vacuum, so I guess it replacement time.
Also connecting the plug to the N75 valve clears the fault code, so I know it's not a wiring fault, there must be vacuum leaks in the system or it's just at the point below.
n75 leak.jpgLast edited by B5NUT; 14 October 2021, 11:50.
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If the car has ever been to superchips, it was common to see this disconnected
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So I now know why I'm getting the error code. It's not plugged in..
N75.jpg
Found the cable pushed into the headlight behind the black cover.
N75cable.jpg
So why the hell would you unplug the valve unless it faulty?
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Had a few issues with mine recently where it was sticking causing problems tried a cheap Chinese £10 special and a waste of time. In the end got a genuine new one from a forum member but did find Quattro corner also sells them
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Originally posted by Mikes2 View PostI don't think you'll find this valve in the other cars you mention. It's a wgfv so you certainly won't find it on an ADR engine which is not a turbo engine. It can be tested using Vag Com / VCDS in the output tests. I've seen a broken wiring loom causing this fault - it sits behind the right side headlamp so easy to check.
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As stated above an output test will see if the valve is clicking away..on my mates ABY it was down to crudded up earth or the connection to the oil pressure sender I can't remember exactly
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034 133 517 ? That's a carbon canister N80 valve. Not the part being referred to here.
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Quick test for the valve, engine at idle reach down behind headlight and place fingers on valve, quickly give throttle a big blip, you should feel the valve clicking.
When I got my first coupe back in ‘02? the valve was partly unplugged, was a nice surprise when properly plugged in.Last edited by newsh; 13 October 2021, 22:23.
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Yes, cleared the codes and this one came back. I've got a 1.8T (AEB) n75 in front of me purchased it by mistake as the numbers between the two engines are the same it's jus the AEB version also has a letter on the end. The problem with the AEB valve is it has a newer 2 pin plug on it, and don't want to start cutting into the car harness for something that may not work. At least I know the ADR version uses the same plug.
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