Author Topic: 1996 Audi RS2 Brilliant Black  (Read 48175 times)

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Offline NasTnaS

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Re: 1996 Audi RS2 Brilliant Black
« Reply #240 on: March 21, 2021, 12:53:39 pm »
What is the NO and NC port?
...Nigel Aston
1971 Porsche 911T
1989 Peugeot 205 GTI 1.9
2009 Renault Megane R26

Offline le mans

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Re: 1996 Audi RS2 Brilliant Black
« Reply #241 on: March 21, 2021, 01:00:06 pm »
It's the ports on a 3-port boost solenoid.

NO = normally open (when solenoid is de-energised)
NC = normally closed (as above)
C = common (always open)

This is a good reference point: https://www.onpointdyno.com/boost-control-plumbing-get-it-right-save-money/

Offline NasTnaS

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Re: 1996 Audi RS2 Brilliant Black
« Reply #242 on: March 21, 2021, 01:25:49 pm »
Interesting typically the port names are usually 1,2,3 for a 3 port 2 position valve and the NC and NO refers to its de-energised state.
We use many pneumatic valves ( 5 port, 3 port, 2 position, 3 position) etc and havenít really seen the ports referred to as NC/NO before.

Hope itís going well. Itís an awesome care.

...Nigel Aston
1971 Porsche 911T
1989 Peugeot 205 GTI 1.9
2009 Renault Megane R26

Offline le mans

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Re: 1996 Audi RS2 Brilliant Black
« Reply #243 on: March 21, 2021, 07:31:01 pm »
Ah right. Yeah they are numbered 1,2,3 on the solenoid itself. I find NC, NO and C easier to understand without having to remember what the numbers refer in terms of on/off state.