2003 Chevrolet AVALANCHE problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
204 owner complaints analyzed
4 distinct recall campaigns
66,272 mi median reported failure mileage
Scope: 2003 model year. Data snapshot: . 160 complaints include usable failure mileage.
Most common problems
Service Brakes is the most frequently named component, appearing in 51 of 204 complaints (25.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 81 | 39.7% |
| Steering behavior | 14 | 6.9% |
| Transmission and shifting | 12 | 5.9% |
| Electrical and battery issues | 9 | 4.4% |
| Fuel system concerns | 4 | 2.0% |
| Engine operation | 2 | 1.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Service Brakes | 51 |
| Electrical System: Instrument Cluster/Panel | 20 |
| Electrical System | 18 |
| Service Brakes, Hydraulic | 16 |
| Air Bags | 11 |
| Vehicle Speed Control | 11 |
| Power Train:Automatic Transmission | 5 |
| Suspension | 5 |
Service Brakes: 51; Electrical System: Instrument Cluster/Panel: 20; Electrical System: 18; Service Brakes, Hydraulic: 16; Air Bags: 11; Vehicle Speed Control: 11; Power Train:Automatic Transmission: 5; Suspension: 5
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 28 |
| 25,000 to 49,999 | 30 |
| 50,000 to 74,999 | 28 |
| 75,000 to 99,999 | 23 |
| 100,000 to 149,999 | 35 |
| 150,000 and above | 16 |
Under 25,000: 28; 25,000 to 49,999: 30; 50,000 to 74,999: 28; 75,000 to 99,999: 23; 100,000 to 149,999: 35; 150,000 and above: 16
100,000 to 149,999 miles has the most reports with usable mileage (35). 44 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2003 | 13 |
| 2004 | 19 |
| 2005 | 32 |
| 2006 | 18 |
| 2007 | 17 |
| 2008 | 11 |
| 2009 | 5 |
| 2010 | 8 |
| 2011 | 10 |
| 2012 | 13 |
| 2013 | 21 |
| 2014 | 25 |
| 2015 | 10 |
| 2016 | 2 |
2003: 13; 2004: 19; 2005: 32; 2006: 18; 2007: 17; 2008: 11; 2009: 5; 2010: 8; 2011: 10; 2012: 13; 2013: 21; 2014: 25; 2015: 10; 2016: 2
Pattern summary
Service Brakes leads the component reports. Braking behavior appears in 81 complaint narratives. Steering behavior appears in 14 complaint narratives. Transmission and shifting appears in 12 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10020008 · 2003-06-26 (June 26, 2003)
THE POSITION AND DESIGN OF THE PARKING BRAKES COULD CAUSE SERIOUS INJURIES TO THE DRIVERS LOWER LEFT LEG IF THE VEHICLE WAS IN AN FRONTAL COLLISION. *NLM *CB *JB
Owner-reported narrative. Look up ODI 10020008 at NHTSA ↗
Owner report 10020321 · 2003-05-21 (May 21, 2003)
WHEN THE CONSUMER APPLIED THE BRAKES THE PEDAL WENT DOWN TO THE FLOOR AND THERE WERE NO BRAKES. THIS FORCED THE DRIVER TO PULL OFF THE ROAD. *NLM RETURNED USPS, 2ND ATTEMPT MADE 10/16/07 FAILED . *LJ
Owner-reported narrative. Look up ODI 10020321 at NHTSA ↗
Owner report 10048699 · 2003-11-25 (November 25, 2003)
THE VEHICLE WAS VERY UNSTABLE DURING CROSSWINDS WHICH CAUSED THE VEHICLE TO SWAY LEFT OR RIGHT UNEXPECTEDLY. *NLM THE TIRE AIR PRESSURE WAS FOUND TO BE 4-5 P/SI LOWER THAN THE DESIGN VALVE. THE PRESSURE WAS INCREASED TO THE PROPER VALVE BROUGHT THE VEHICLE HANDLING AND THE STEERING RESPONSE BACK TO A STABLE CONDITION. *SC
Owner-reported narrative. 1,000 miles reported. Look up ODI 10048699 at NHTSA ↗
Owner report 10099700 · 2004-12-07 (December 7, 2004)
AIR BAGS DO NOT WORK. AIR BAG LIGHT COMES ON. VEHICLE IS BEING TAKEN TO THE MANUFACTURER FOR INVESTIGATION AND REPAIR.*AK THE VEHICLE HAD PROBLEMS WITH THE AIR CONDITIONING AND THE POWER STEERING MADE A SQUEALING NOISE. THE RUNNING BOARDS FELL OFF OF THE VEHICLE. THE CONSUMER HEARD A CLUNK IN THE TRANSMISSION. THE 4X4 LIGHT COMES ON INTERMITTENTLY. THE CONSUMER STATED THAT THERE WAS A FLUID LEAK IN THE ENGINE. THE AIR BAG LIGHT COMES ON INTERMITTENTLY. AFTER 7.5 MONTHS OF HAVING REPAIRS DONE ON HIS VEHICLE THE CONSUMER WOULD LIKE TO CLAS…
Owner-reported narrative. 5,955 miles reported. Look up ODI 10099700 at NHTSA ↗
Owner report 10050525 · 2003-12-15 (December 15, 2003)
ON DECEMBER 12, 2003 VEHICLE STALLED IN THE MIDDLE OF AN INTERSECTION, RESULTING IN A CRASH THAT COULD HAVE BEEN FATAL. CONSUMER STATED, THIS VEHICLE HAD BEEN SEVEN TO EIGHT TIMES AT DEALER WITH ENGINE AND TRANSMISSION PROBLEMS. DEALER COULD NOT DUPLICATE OR CORRECT THE PROBLEM.*AK
Owner-reported narrative. 9,000 miles reported. Look up ODI 10050525 at NHTSA ↗
Owner report 10075115 · 2004-06-09 (June 9, 2004)
THE TRUCK CONTINUED TO SHAKE WHEN DEPRESSING THE GAS PEDAL. TURNS OUT THE TRANSMISSION WAS MESSED UP. THE DEALER FOUND LOTS OF METAL IN THE PAN. REBUIT THE BROKEN PARTS @ 15,000 MILES NOT A NEW ONE JUST REBUILT. *AK
Owner-reported narrative. 15,000 miles reported. Look up ODI 10075115 at NHTSA ↗
Owner report 10090512 · 2004-09-06 (September 6, 2004)
ON SEPT 5TH 2004 WHILE PARKING MY VEHICLE IT LOST POWER AND VEHICLE CAME TO A SUDDEN STOP. I WAS UNABLE TO START MY VEHICLE. UPON CHECKING THE ENGINE I FOUND THAT THE BATTERY HAD EXPLODED AND I FOUND THAT THE POSITIVE BATTERY CABLE HAD COME OFF COMPLETELY ALONG WITH THE BATTERY TERMINAL. I DO NOT KNOW WHAT CAUSED IT, BUT I BOUGHT ANOTHER BATTERY AND THE VEHICLE WORKED FINE. I AM JUST WORRIED THAT IT MAY OCCUR AGAIN. HAS THERE BEEN ANYTHING SIMLILAR OCCUR WITH OTHER VEHICLES LIKE MINE? I HAVE KEPT THE OLD BATTERY AND WILL CONTACT THE DEALER WH…
Owner-reported narrative. Look up ODI 10090512 at NHTSA ↗
Owner report 10093901 · 2004-10-10 (October 10, 2004)
ALL GAUGES, WARNING LIGHTS,RADIO, AND HEAT/AIR CONTROLS START CHANGING ON THEIR OWN ,QUIT WORKING AND DON'T WORK PROPERLY WHILE DRIVING. AT TIMES IT SMELLS LIKE SOMETHING IS BURNING. DEALER HAVE REPLACED ALOT OF WARNING SENSORS, REPLACED INSTRUMENT CLUSTER TWICE, FUEL SENDING UNIT,CHECKED ALL THE MAIN GROUND POINTS OF WIRING. DEALER HAS THE OLD PARTS. I'M STILL HAVING THE SAME PROBLEMS THEY ARE STILL NOT FIXED. *NM
Owner-reported narrative. 18,000 miles reported. Look up ODI 10093901 at NHTSA ↗
Owner report 10145374 · 2005-12-06 (December 6, 2005)
2003 CHEVY AVALANCHE FUEL TANK BEGAN EMITTING A GAS SMELL WHEN THE VEHICLE WAS MORE THAN HALF FULL. *TS OVER TIME SMALL PUDDLES OF GAS COULD BE SEEN UNDER THE VEHICLE WHEN IT WAS STOPPED. THE MECHANIC FOUND THAT THE TANK HAD A MANUFACTURER'S DEFECT, WHICH CAUSED IT TO BE TOO THIN AROUND ONE OF THE SEALS. THE TANK WAS SO THIN IN THAT AREA, THAT ONE COULD PHYSICALLY PRESS IT DOWN LIKE SOFT RUBBER. THE SOFT AREA HAD BEEN STEADILY WEAKENING THE SEAL UNTIL IT FINALLY FAILED CAUSING GAS TO LEAK OUT OF IT. *JB
Owner-reported narrative. Look up ODI 10145374 at NHTSA ↗
Owner report 10151936 · 2006-02-24 (February 24, 2006)
CONSUMER WAS TOLD THAT THE 2003 AVALANCHE WAS NOT A STANDARD TANK AND THAT THE FUEL LEAKAGE ISSUES WERE NOT THEIR RESPONSIBILITY. *TS THE CONSUMER WAS TOLD THE GAS TANK HAD A MANUFACTURERS DEFECT THAT CAUSED IT TO BE TOO THIN AROUND ONE OF THE SEALS. THE TANK WAS SO THIN, THAT IT COULD BE PRESSED AS IF IT WAS SOFT RUBBER. THE SOFT AREA HAD BECOME SO WEAK, THAT GAS WAS LEAKING FROM THE VEHICLE. *JB
Owner-reported narrative. Look up ODI 10151936 at NHTSA ↗
Owner report 10296665 · 2009-12-22 (December 22, 2009)
TL* THE CONTACT OWNS A 2003 CHEVROLET AVALANCHE. WHILE REVERSING OUT OF THE DRIVE-WAY HE EXPERIENCED A LOSS OF POWER STEERING. HE APPLIED PRESSURE TO THE ACCELERATOR PEDAL AND THE STEERING WHEEL BEGAN TO OPERATE NORMALLY. THE FAILURE OCCURRED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR INSPECTION AND HE WAS ADVISED THE HE EXPERIENCED AN IDENTICAL FAILURE REFERENCED IN RECALL CAMPAIGN ID NUMBER 04V045000(SERVICE BRAKES, HYDRAULIC). HOWEVER, THE VIN WAS EXCLUDED FROM THE RECALL DEFECT. THE VEHICLE HAS NOT BEEN REPA…
Owner-reported narrative. Look up ODI 10296665 at NHTSA ↗