2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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S4 Turbo II switching actuator questions????

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Old 09-10-21, 07:05 PM
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Question S4 Turbo II switching actuator questions????

  • I have a 1987 S4 Turbo II that I am deleting emissions on. When it comes to the switching actuator, do I keep the green solenoid on the rats nets? According to this diagram I do. Let me know what you think.

  • Has anyone ever replaced the metal line from the switching actuator as shown in the picture below. Mine is rusted out. I dont think I can replace it with a regular vacuum line as its right by the turbo.


Last question, when installing an aftermarket boost gauge, where would I tee in the sensor? would it go behind the restrictor pill, as in my picture, or after? Maybe another place works better and I dont know! Give me the input!
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