2001 GMC Sierra service brakes, hydraulic problems
100 owner complaints filed with NHTSA name the service brakes, hydraulic on the 2001 GMC Sierra — 38% of all complaints for this model year.
What owners report
“Brakes hydraulics failed when trying to stop. Truck is in the shop now. The consumer stated the vehicle lost hydraulic pressure without warning. He was traveling 10 mph towards a busy intersection. Fortunately, he was able to turn into a parking lot and use the parking brake to stop. The rear brake…”
filed May 28, 2013
“Sirs/madam; since new the brakes have been spongy. They work but, I am always on alert. The abs has never worked properly. I have replaced the front rotors with grooved and relieved with drilled holes. I have replaced the brake lining all around. With no difference. My pickup is equipped with…”
filed Jun 14, 2012
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES MAY EXPERIENCE UNWANTED ANTILOCK BRAKE…Campaign 05V379000 · Aug 29, 2005
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
Service Brakes, Hydraulic problems in other Sierra years
| Year | Reports | Share |
|---|---|---|
| 2017 Sierra | 1 | 2% |
| 2015 Sierra | 1 | 2% |
| 2012 Sierra | 1 | 3% |
| 2011 Sierra | 1 | 2% |
| 2010 Sierra | 1 | 3% |
| 2009 Sierra | 1 | 3% |
| 2008 Sierra | 1 | 1% |
| 2007 Sierra | 2 | 3% |
| 2006 Sierra | 7 | 13% |
| 2005 Sierra | 10 | 9% |
| 2004 Sierra | 28 | 15% |
| 2003 Sierra | 38 | 18% |
Other reported problem areas on the 2001 GMC Sierra
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.