Turbosmart IWG75 versus (obsolete) Vacuum boost solenoid
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Turbosmart IWG75 versus (obsolete) Vacuum boost solenoid
I had a Turbosmart IWG75 turbo actuator installed last week (edit) on my 2007 di (non CRD) GU
As most of you know this one is pressure controlled not vacuum (I did not know that)
The old vacuum line (with the green damper) from the old waste gate actuator to the vacuum boost solenoid has been removed and there is now a plug on the nipple of the solenoid (position red cross). The line from the solenoid toward the intercooler area is still there.
Issue now is that the solenoid makes a rattling noise when engine is running and when I switch off the engine it makes a noise like it creates a vacuum or like a valve is closed electronically.
Never heard those kind of sounds with the 'old' oem setup
From the sound of it it will soon break down
Is there something I have missed?
Last edited by Jerry; 28th February 2020 at 07:44 AM.
Reason: adding year and engine type
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