[Caterer]

I recently bought an 04 Tribute LX and though it seems to be running fine, I have noticed every now and again the balloon whistling sound from the brake pedal area. At least it seems to be coming from there, I'm usually driving at the time and neither limber enough or stupid enough to take my attention away from the road that long to tell for sure. I plan to get a Haynes manual in the next few weeks, but I have to wonder, as long a it's still running well, should I worry about it? Is it a portent of something that could lead to a catastrophic failure or strand me on the roadside somewhere?

Much thanks,


Mark