HANK 631

Hi guys! I am new to the board and a relatively new owner of a beautiful red 85 cab.After about a month of ownership a humming noise developed in the front end.The humming is intermittent and usually starts after diving a few miles.When driving the car hard I don't seem to notice it(maybe its there but my senses are just pre occupied).The strange thing is it will go away if you tap the brakes or jerk the steering wheel hard only to return a few seconds later.The noise will continue with the car turned off and coasting until you reach about 30 mph. My mechanic has checked the wheel bearing and rebuilt the calipers to no avail.Any ideas would be greatly appreciated. Thanks,Hank

Club Sport 911

My 1988 Club sport has / had this.... try the vacuum connection / tubes around the bulkhead which are used to adjust the lights and also (regretfully) the brake servo.