1998 GMC Sierra service brakes, hydraulic problems
56 owner complaints filed with NHTSA name the service brakes, hydraulic on the 1998 GMC Sierra — 29% of all complaints for this model year.
What owners report
“1998 gmc sierra. Gmc brake line corrosion investigation. The consumer stated he experienced a corrosion related failure of the line supplying the rear brakes. The failed line went from a fitting over the gas tank to a bracket on the frame over the rear axle. From the bracket, a hose went to the…”
filed Apr 21, 2010
“I have a 1998 gmc sierra pick-up truck. I have experienced ongoing anti lock brake sensor issues since last spring. They engage at low speed and make it hard to stop if you are not prepared for the failure at low speed. The dealer I took the vehicle to (capitol cadillac-lansing mich.) said they…”
filed Feb 13, 2006
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Antilock brake (abs) activation at low speeds. *tt
020525006 · Service Bulletin/Repair Instructions · issued Jan 1, 2006
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 1998 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.