Service brakes, hydraulic: antilock/traction control/electronic limited slip
Risk. THIS CAN CAUSE INCREASED STOPPING DISTANCES DURING LOW-SPEED BRAKE APPLICATIONS, WHICH COULD RESULT IN A CRASH.
NHTSA has logged 249 owner complaints about the 2002 GMC Sierra, most often about the service brakes, hydraulic. It is covered by 4 safety recalls.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 22, 2016. Updated daily. Photo: SsmIntrigue, CC BY-SA 4.0.
249 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Service brakes, hydraulic | 93 | 13 |
| Service brakes | 31 | 4 |
| Engine and engine cooling | 22 | 1 |
| Power train | 18 | 0 |
| Parking brake | 17 | 0 |
| Structure | 17 | 3 |
| Suspension | 12 | 1 |
| Steering | 12 | 2 |
| Tires | 10 | 1 |
| 15 other systems | 47 | 5 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. THIS CAN CAUSE INCREASED STOPPING DISTANCES DURING LOW-SPEED BRAKE APPLICATIONS, WHICH COULD RESULT IN A CRASH.
Risk. IF THE PARKING BRAKE DOES NOT HOLD, UNINTENDED VEHICLE MOVEMENT COULD OCCUR, WHICH COULD RESULT IN A CRASH.
Risk. ANYONE SITTING OR STANDING ON THE HORIZONTAL SURFACE OF THE TAILGATE WHEN BOTH CABLES FRACTURED COULD BE INJURED BY FALLING FROM THE TAILGATE.
Risk. A STRONG ODOR OF NATURAL GAS MAY BE DETECTED FROM INSIDE THE VEHICLE, POSSIBLY ACCOMPANIED BY A HISSING NOISE.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with GMC.
40kmiles, median
Based on the odometer reading in 80 service brakes, hydraulic complaints. 86% were reported before 100,000 miles.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Sierra median. How we score
2002 GMC Sierra Extended Cab in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
Federal investigations that included the 2002 GMC Sierra, and the recalls they led to.
Recent service brakes, hydraulic complaints filed with NHTSA, shortened. Personal details are removed.
TL* THE CONTACT OWNS A 2002 GMC SIERRA 2500HD. THE CONTACT STATED THAT THE FRONT BRAKE LINES FAILED AND THE REAR LINES WERE VERY CLOSE TO FAILING. THE CONTACT TOOK THE VEHICLE TO THE DEALER FOR SERVICE AND WAS INFORMED OF THE FAILURES. THE FAILURE AND CURRENT MILEAGES WERE 108,000. THE VIN WAS NOT…
THE METALLIC BRAKE LINE TUBING RUPTURED CAUSING BRAKE FAILURE WHILE TRAVELING 50 MPH ON A DOWNGRADE. THE METAL LINE ABOVE THE REAR AXLE, PASSENGER SIDE, CORRODED THROUGH AND SPEWED BRAKE FLUID ALL OVER. THE CORROSION POINT IS ABOUT 7-10 INCHES FORWARD OF THE JUNCTION WHERE THE BRAKE LINE…
BOTH THE DRIVER SIDE AND REAR BRAKE LINES, BECAUSE OF RUST, BURST AT THE SAME TIME. IT WAS LUCKY THE CAR WAS NOT ON THE ROAD.I HAVE REPLACED ALL THE LINES AND HAD TO REPLACE THE FRONT CALIPERS BECAUSE THE BLEEDING NIPPLED WERE COMPLETELY GONE DUE TO RUST. THE REAR CALIPERS WERE IN GOOD SHAPE.OVER…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.