Total Complaints
12 filings
GMC Sierra 3500 · model year
12 NHTSA complaints. A VIN lookup is required to determine whether a specific vehicle has an unrepaired recall.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The verdict
The 1998 GMC Sierra 3500 posts top-quartile complaint standing among its own model-year siblings.
The 1998GMCSierra 3500 carries 12 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 2 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
The most frequently selected component label in reports for the 1998 Sierra 3500 is tires:tread/belt with 2 filings, followed by service brakes, hydraulic (2) and fuel system, gasoline:delivery (1). Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause.
NHTSA currently has 2 investigation files overlapping the 1998 Sierra 3500. Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.
PlainCars' own composite of NHTSA NCAP crash-test ratings and rollover-risk assessment, each dimension normalized against the federal scale or the full national model-year corpus. Not an official NHTSA figure, and not a substitute for a specific vehicle's VIN-level recall check.
Total Complaints
12 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| TIRES:TREAD/BELT | 2 |
| SERVICE BRAKES, HYDRAULIC | 2 |
| FUEL SYSTEM, GASOLINE:DELIVERY | 1 |
| ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES | 1 |
| FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM | 1 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM | 1 |
| VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR | 1 |
| STRUCTURE:FRAME AND MEMBERS | 1 |
| VEHICLE SPEED CONTROL | 1 |
| SERVICE BRAKES | 1 |
TL* THE CONTACT OWNS A 1998 GMC SIERRA 3500. THE CONTACT STATED THAT WHEN HE APPLIED HIS BRAKES TO RELEASE THE GEAR SHIFTER, THE BRAKE PEDAL WENT STRAIGHT TO THE FLOOR. THE BRAKE WARNING LIGHT ILLUMINATED IMMEDIATELY AFTER. THE CONTACT INSPECTED THE VEHICLE AND NOTICED THAT THE BRAKE LINES HAD BURST AND NEEDED TO BE REPLACED. THE VEHICLE HAD NOT BEEN REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE AND CURRENT MILEAGE WAS APPROXIMATELY 136,000. THE VIN WAS UNAVAILABLE.
Mileage: 136,000
TL* THE CONTACT OWNS A 1998 GMC SIERRA 3500. THE CONTACT STATED WHILE THE VEHICLE WAS STOPPED WITH THE BRAKE PRESSED, THE VEHICLE SUDDENLY ACCELERATED WITHOUT WARNING. THE MANUFACTURER ADVISED THE CONTACT TO TAKE THE VEHICLE TO A DEALER FOR INSPECTION. THE CONTACT HAD NOT INFORMED THE DEALER, AND THE VEHICLE HAD NOT BEEN INSPECTED OR REPAIRED. THE CURRENT AND FAILURE MILEAGES WERE 120,000.
Mileage: 120,000
ABOUT 4 YEARS AGO I HAD PROBLEMS WITH MY BRAKE BOOSTER SYSTEM ON MY TRUCK WHEN THE BRAKES FAILED AND IT WAS HARD TO STOP THE TRUCK. I HAD THE BRAKE BOOSTER REPLACED TWO TIMES THEN HAD TO HAVE THE POWER STEERING PUMP REPLACED AS THIS IS CONNECTED TO MY BRAKE SYSTEM. ABOUT A YEAR AFTER I HAD THIS WORK DONE GMC RECALLED THE POWER STEERING PUMP ON MY TRUCK. NOW I AM HAVE PROBLEMS WITH THIS SYSTEM AGAIN. IF I TURN MY TRUCK RIGHT OR LEFT THE BRAKE ACTIVATE JUST LIKE YOU ARE PUSHING ON THE BRAKE TO STOP. THIS HAS ALMOST CAUSED ME TO HAVE AN ACCIDENT MORE THEM ONCE. I UNDERSTAND FROM OTHER OWNERS THAT THIS SYSTEM HAS A LOT OF PROBLEMS WITH IT AND THE ONLY WAY TO FIX IT IS TO REMOVE THIS SYSTEM AND REPLACE WITH A DIFFERENT TYPE OF SYSTEM. I HOPE YOU CAN HELP ME AND OTHER OWNERS TO GET GMC TO REPAIR OUR BRAKES. *TR
Mileage: 175,000
SEVERE VEHICLE FRAME CORROSION/RUSTING OF FRONT FRAME EXTENSIONS, PARTICULARLY IN AREA OF STEERING BOX MOUNTING OF SEVERAL AGENCY OWNED 98-2000 YEAR MODEL CHEVROLET & GMC PICKUP TRUCKS. DISPOSITION IS SCRAPPING VEHICLES AS BEYOND ECONOMICAL REPAIR AND UNSAFE TO OPERATE. *JB
Mileage: 95,173
WINDSHIELD WIPERS CAME ON AND OFF INTERMITTENTLY WHILE DRIVING IN INCLEMENT WEATHER. THIS CAUSED POOR VISIBILITY. DEALERSHIP WAS CONTACTED AND STATED THAT VEHICLE WAS NOT UNDER RECALL.*AK
CONSUMER STATED THAT WHEN TRYING TO APPLY THE BRAKES THE BRAKE PEDAL WOULD GO TO THE FLOOR CAUSING THE VEHICLE TO HAVE EXTENDED STOPPING DISTANCE. DEALER NOTIFIED TS
I HAVE THE MISFORTUNE OF OWNING A 1998 GMC 1 TON DUALLY, THE REAR BRAKE DRUMS HAVE SEALS LOACATED ON THE INBOARD SIDE THAT SEAL AGAINST A SURFACE OF THE AXLE. AS IT IS A FULL FLOAT AXLE, MEANING THERE ARE TAPERED BEARINGS IN THE BRAKE DRUMS THE BEARINGS ARE LUBRICATED WITH AXLE FLUID AND THE SEALS ARE THERE TO PREVENT LEAKAGE OF THE FLUID. THE FAILURE OF A SEAL PROVIDES A FLUID LEAKAGE PATH THAT IS DOWN THE INSIDE SURFACE OF THE DRUM, ACROSS THE SURFACE OF THE DRUM WHICH THE BRAKE LININGS CONTACT AND OUT BETWEEN THE BACKING PLATE AND DRUM. I HAVE HAD 3 SEAL FAILURES ON ONE SIDE AND 2 ON THE OTHER. A FAILURE OF THE SEAL ALLOWS 80W90 AXLE FLUID TO SOAK THE BREAK LININGS, AS THIS IS NOT OBVIOUS, THE FAILURE IS NOTICED BY INCREASED STOPPING DISTANCE AS THE REAR BRAKES ARE RENDERED USELESS BY THE CONTAMINATION WITH AXLE FLUID. SINCE 1-TON TRUCKS ARE UASUALLY SOLD TO PULL OR HAUL THIS IS AN ESPECIALLY DANGEROUS CONDITION, WITH A FULL RATED LOAD THE REAR BRAKES ARE MUCH MORE CRITICAL THAN THA
AT 65MPH VEHICLE STARTED MAKING A THUMPING SOUND. WHEN CONSUMER PULLED OVER AND STARTED FEELING AROUND TIRE TREAD WAS SEPARATING. RIGHT REAR TIRE HAD AT LEAST 1,000 MORE MILES TO GO. CONSUMER USED THE SPARE TIRE TO GO FIND A FIRESTONE DEALER WHICH THEY REPLACED AND BALANCED TIRE FOR FREE. CONSUMER OWNS A 1999 MOTOR HOME WITH A 98 CHEVROLET 3500 CHASSIS WITH ORIGINAL TIRES SIZE LT245/75R16 HAVING 34,000 MILES ON THEM.*AK *SLC
PE-00020 ORIGINAL EQUIPMENT ON A 1998, GMC, VAN 3500, TIRE SIZE LT24575R16. WHILE DRIVING 55 MPH ON THE HIGHWAY TREAD ON THE RIGHT REAR TIRE SEPARATED. *AK
FUEL INJECTION SYSTEM IS CONTINUALLY FAILING. CONSUMER STATES THAT IT IS AN ELECTRICAL FUEL INJECTION SYSTEM, AND THE SENSOR HAS BEEN CHANGED. HAS BEEN TAKEN TO THE DEALER 3 TIMES. *AK
MAIN BATTERY CABLE FAILED CAUSING VEHICLE TO CATCH FIRE WHILE IDLING. NLM
SMELL OF FUEL WHEN DRIVING VEHICLE, WHEN VEHICLE LEFT RUNNING PARKED, VEHICLE ENGINE COMPARTMENT CAUGHT ON FIRE AND DESTROYED THE VEHICLE.
Data vintage: August 2026. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 1998 GMC Sierra 3500; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.
Read our methodology - how this data is sourced, computed, and verified.