I've got exactly that noise in my '98 Cobra 'vert. It goes away once the car is warm but it is freaking weird. Please let me know if you figure out the cause!96CobraVert said:Skadork - Yes it sounds like an air bleeder. Only when its cold though. I don't know what it is. Once the car gets up to normal operating temp it goes away.
It's like a tsst tsst tssssssst tsst tssssst tsst. LOL I'm sure you get the noise i'm tryin to make.