One problem related to brake fluid leak has been reported for the 1998 GMC Yukon. The most recently reported issues are listed below.
The contact owns a 1998 GMC Yukon. The contact stated that the vehicle was leaking brake fluid abnormally. The contact inspected the vehicle and discovered that the brake lines were severely rusted. The vehicle was taken to the dealer and the entire brake line system from front to rear was replaced. The failure and current mileage was 88,000. The abs sensors failed three times. Updated 03/03/11.