Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

1999 GMC Sierra service brakes problems

25 owner complaints filed with NHTSA name the service brakes on the 1999 GMC Sierra4% of all complaints for this model year.

25
Service Brakes complaints
4%
share of all complaints
150,145 mi
median reported incident mileage
2 / 0
crash / fire reports

What owners report

  • While pulling out of my driveway I experienced complete brake failure. Looked under truck and brake fluid was everywhere and the brake lines were severely rusted and had busted. Looked it up and this appears to be a common problem with this model truck but there has never been a recall?! This issue…

    filed Aug 10, 2015

  • I was driving and went to apply brakes for the stop sign ahead, and I had no brakes. Once I had the truck home I parked it. I determined that the brake lines had rusted through by having a piece of cardboard under the truck to locate the leaking brake fluid. I'm so lucky that I didn't have a camper…

    filed Jan 29, 2015

  • Driving down hill, approx speed of 45 mph, went to apply brakes when did heard pop noise and brake pedal went to the floor with no stopping. Pumped on brakes and geared down truck to slow down. Pulled over to side of road to notice that fluid was coming out of the body. Was able to get mirror and research and find the…

    filed Sep 17, 2014

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Related service bulletins

  • This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

    PIT3665E · Service Bulletin/Repair Instructions · issued Jan 31, 2017
  • Chevrolet/gmc/cadillac: anytime hydraulic brake pipes assembly need replacing, pre-formed and pre-flared brake pipes are available, except rear axle crossover pipe. Model 1999-2007 silverado, sierra, 2000-2006 escalade…

    SB-13-05-22-001 · Service Bulletin/Repair Instructions · issued Sep 1, 2014
  • This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

    PIT3665C · Service Bulletin/Repair Instructions · issued Nov 6, 2012
All 1999 GMC Sierra TSBs →

Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.