Two problems related to axle shaft seal have been reported for the 1999 Chevrolet Suburban. The most recently reported issues are listed below.
When replacing tires I was told that the rear axle seals had been leaking and rendered the rear brakes useless. Causing overheating on the front brakes and subsequent cracking of the rotors.
When driver hit brakes pedal went all the way to floor. Mechanic told consumer that right rear axle seal was leaking oil onto drum brakes. Dealership is aware of the problem.