38 problems related to brake hoses, lines/piping, and fittings have been reported for the 1999 GMC Sierra 1500. The most recently reported issues are listed below.
Consumer 1999 seirra 1500 brake tube ruptured.
: the contact stated while approaching a stop sign at 15 mph, the vehicle's brakes failed. The dealership would not accept the vehicle because the service department could not offer an immediate appointment. The vehicle was taken to an independent repair shop who determined the plastic protection of the brake fluid line was not completely covering the line resulting in a rusted line due to condensation. Brake fluid leaked from the line causing the brake failure. The brake line had severe rust. Updated 10/02/06.
(1)total brake failure due to corrosion in brake line. Brake went to floor, no brakes, fluid running out on to ground. (2)narrowly missed hitting truck at intersection (3) dealer replacing all lines at cost of $1000. 00.