Sledwrecker Posted June 8, 2020 Report Share Posted June 8, 2020 (edited) I have a 2018 Edge Titanium with the 3.5L v6. The car has about 37k miles and is completely stock with the exception of a K&N drop in replacement air filter. While idling I can hear a hissing noise which sounds reminiscent of a vacuum leak however the vehicle is running / idling perfectly with zero performance or drivability issues. Is this normal for this motor to have this sound? I don't notice it as much with the hood closed but with it open it's very noticeable. I've done a thorough visual inspection and don't see any issues. I also haven't been able to isolate exactly where the noise is coming from but it seems to be on the side of the motor with the transmission (drivers side.) Edited June 8, 2020 by Sledwrecker Quote Link to comment Share on other sites More sharing options...
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