Nissan 370Z Forum - View Single Post

Mandingo · 11-22-2015, 01:33 PM

Both of mine hiss too. I'm pretty sure its normal.

The PCV valve outlet is pretty small. I think that is what creates the hiss sound.

11-22-2015, 01:33 PM	#2 (permalink)
Mandingo Track Member Join Date: Nov 2010 Location: Dallas Posts: 625 Drives: '10 370z 6spd Rep Power: 3371	Both of mine hiss too. I'm pretty sure its normal. The PCV valve outlet is pretty small. I think that is what creates the hiss sound. __________________ some mods