WHEN I TILT THE STEERING WHEEL IN THE UPWARD POSITION ALL HEADLIGHTS GOES OUT/OFF,AND WHEN I TILTED IT TO THE LOWER POSITION ALL HEADLIGHTS COME ON.THIS IS VERY UNSAFE AND OTHER OWNERS OF THIS SAME VEHICLE NEEDS TO KNOW THE SAFETY RISK INVOLVE.THIS VEHICLE IS AVAILABLE FOR INSPECTION ANYTIME. *TR
1999 GMC Sierra 2500
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1999 GMC Sierra 2500 do not stand out strongly from the model-year median of 46.
About this comparison →How this year compares
Owner complaints by model year
Compare all Sierra 2500 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
23 reports with mileage · 13 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Service Brakes, Hydraulic. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Suspension. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
36 reportsGAS TANK STRAPS RUSTED THROUGH AND TANK IS FALLING OUT. *TR
BRAKE LINE BURST. THIS IS THE SECOND TIME, BUT A DIFFERENT BRAKE LINE. *TT
1999 GMC SIERRA K2500 4X4. AT JUST OVER 100K MILES THE ADVANCED RUST AND CORROSION ON MY STEEL BRAKE LINES IS VERY BAD. THESE ARE THE HARD GALVANIZED LINES THAT ARE IN THE ENGINE COMPARTMENT BENEATH THE BRAKE FLUID RESERVOIR NEAR THE FRAME, AND THE HARD GALVANIZED LINES THAT RUN ALONG THE INSIDE OF THE FRAME RAIL ON THE DRIVER …
Read full complaint
1999 GMC SIERRA K2500 4X4. AT JUST OVER 100K MILES THE ADVANCED RUST AND CORROSION ON MY STEEL BRAKE LINES IS VERY BAD. THESE ARE THE HARD GALVANIZED LINES THAT ARE IN THE ENGINE COMPARTMENT BENEATH THE BRAKE FLUID RESERVOIR NEAR THE FRAME, AND THE HARD GALVANIZED LINES THAT RUN ALONG THE INSIDE OF THE FRAME RAIL ON THE DRIVER SIDE (LEFT HAND SIDE OF THE TRUCK) FROM FRONT TO REAR. THIS STARTED A FEW YEARS AGO AND HAS GOTTEN PROGRESSIVELY WORSE. THE CORROSION IS IN THE FORM OF RUST THAT IS FLAKING OFF IN CHUNKS. WITH THE STEEL RUSTING AND FLAKING AWAY LIKE THIS, IT WILL COMPROMISE THE INTEGRITY OF THE BRAKE LINE, SIGNIFICANTLY REDUCING THE ABILITY FOR THE BRAKE LINES TO HOLD PRESSURE, AND AT SOME POINT MAY ULTIMATELY RESULT IN BRAKE FAILURE. I HAVE OTHER GM VEHICLES WITH MORE MILES THAT ARE OLDER I'VE HAD SINCE NEW AND THE BRAKE LINES HAVE VERY LITTLE SIGNS OF RUST AND CORROSION. I AM NOT HAPPY ABOUT THIS AS I TAKE VERY GOOD CARE OF MY VEHICLES AND THIS IS THE FIRST GM VEHICLE THAT I'VE SEEN THIS HAPPEN. I WILL HAVE TO STOP DRIVING THIS VEHICLE TO AVOID THE HIGH ACCIDENT RISK POTENTIAL THE RUSTED BRAKE LINES HAVE CREATED. *TR
DEALER REPLACED RUSTED OUT BRAKE LINES IN 2008. DEALER NOW SAYS BRAKE LINES NEED TO BE REPLACED AGAIN. BRAKE LINES FOR THIS VEHICLE ARE APPARENTLY MADE OF A MATERIAL THAT IS EXTREMELY PRONE TO CORROSION LEADING TO BRAKE FAILURE-WHICH OCCURRED TO THIS VEHICLE.
I WAS DRIVING MY DAUGHTER TO A FRIENDS HOUSE. WHEN THE PEDAL STARTED GETTING SOFT ,IT WAS JUST A 3 MILE RIDE ON 35 MPH ROADS. BY THE TIME I GOT HOME I HAD NO BRAKES AT ALL. HAD TO HAVE 5 BRAKE LINES AND 2 BRAKE CALIPERS REPLACED THEY WERE TOTALLY COVERED WITH RUST. *TR
I OWN A 99 GMC SIERRA 2500. WHILE PULLING A 9000 LB TRAILER MY BRAKES WENT OUT HAD ENOUGH TIME TO DOWN SHIFT AND USE EMERGENCY BRAKE TO BRING TRUCK TOO A STOP. UPON INVESTIGATION I NOTICED THE BLOWN BRAKE LINE AND LOTS OF CORROSION ON THE UNDER CARRIAGE OF THE VEHICLE THIS IS SOMETHING THAT NEEDS TO BE ADDRESSED. I HAVE OWNED OL…
Read full complaint
I OWN A 99 GMC SIERRA 2500. WHILE PULLING A 9000 LB TRAILER MY BRAKES WENT OUT HAD ENOUGH TIME TO DOWN SHIFT AND USE EMERGENCY BRAKE TO BRING TRUCK TOO A STOP. UPON INVESTIGATION I NOTICED THE BLOWN BRAKE LINE AND LOTS OF CORROSION ON THE UNDER CARRIAGE OF THE VEHICLE THIS IS SOMETHING THAT NEEDS TO BE ADDRESSED. I HAVE OWNED OLDER VEHICLES AND HAVE NEVER SEEN SUCH RUST ON THE UNDER CARRIAGE LIKE THIS TRUCK HAS. ESPECIALLY THE BRAKE AND FUEL LINES. *TR
I HAVE A 1999 GM PICKUP WHILE 3 HRS FROM HOME I WAS COMING ONTO A TRAFFIC SIGNAL WHEN I APPLIED THE BRAKES I WAS NOT SLOWING DOWN I HAD TO USE THE EMERGENCY BRAKE AND LOWER GEARS TO PREVENT RUNNING INTO THE CARS AHEAD OF ME, WHEN I FINALLY STOPPED AND CHECKED FLUID I WAS EMPTY THE CLOSEST STATION WAS STILL MILES AWAY, LUCKY FOR …
Read full complaint
I HAVE A 1999 GM PICKUP WHILE 3 HRS FROM HOME I WAS COMING ONTO A TRAFFIC SIGNAL WHEN I APPLIED THE BRAKES I WAS NOT SLOWING DOWN I HAD TO USE THE EMERGENCY BRAKE AND LOWER GEARS TO PREVENT RUNNING INTO THE CARS AHEAD OF ME, WHEN I FINALLY STOPPED AND CHECKED FLUID I WAS EMPTY THE CLOSEST STATION WAS STILL MILES AWAY, LUCKY FOR ME I WAS ON FL ST RD 710 20 MILES FROM INDIANTOWN I STAYED IN THE SLOW LANE DRIVING AT 5- 25 MPH UNTIL I COULD GET FLUID. I HAD THIS PROBLEM ALL THE WAY HOME WITHOUT CRASHING. UPON INVESTIGATING I FOUND THAT MY BRAKE LINES HAVE RUSTED OUT, I AM NOW IN THE MIDDLE OF CHANGING THEM OUT AS I CAN'T AFFORD A MECHANIC AND NOW AM HAVING PROBLEMS TRYING TO FIX SO NOW I AM OUT OF WORK BECAUSE OF THIS. LAST NIGHT I HAPPENED TO BE WATCHING THE NEWS AND SEEN THIS. IF YOU WOULD LIKE TO SEE THE LINES I HAVE ONE OFF OUT OF 4 LINES MY HOPE IS A RECALL TO HAVE THESE FIXED BY SOMEONE THAT KNOWS HOW IF NOT I WILL DO MY BEST SO I CAN MAKE IT TO WORK. *TR
THE VEHICLE WAS COLD AND DRIVEN APPROX 1/2 MILE TO STOP LIGHT FROM HOME. I WAS LIGHTLY STEPPING ON THE BRAKE WAITING FOR A LIGHT TO TURN GREEN AND ALL OF A SUDDEN A BRIEF SURGE WHICH CAUSED ME TO HIT THE BRAKE HARDER AND THEN THE SURGE STOPPED. I COULD SEE THE TACH GO UP AS IF I HAD HIT THE ACCELERATOR. IN MY OPINION THIS SUDDEN…
Read full complaint
THE VEHICLE WAS COLD AND DRIVEN APPROX 1/2 MILE TO STOP LIGHT FROM HOME. I WAS LIGHTLY STEPPING ON THE BRAKE WAITING FOR A LIGHT TO TURN GREEN AND ALL OF A SUDDEN A BRIEF SURGE WHICH CAUSED ME TO HIT THE BRAKE HARDER AND THEN THE SURGE STOPPED. I COULD SEE THE TACH GO UP AS IF I HAD HIT THE ACCELERATOR. IN MY OPINION THIS SUDDEN ACCELERATION IS A COMPUTER ISSUE AND NOT A TOYOTA, FORD OR GMC ISSUE. WHO MANUFACTURES THE COMPUTER EQUIPMENT FOR THESE VEHICLES? IN MY CASE I JUST IGNORED IT BECAUSE NOTHING BAD HAPPENED BUT I THOUGHT THE NHTSA SHOULD KNOW. I HAVE NOT HAD THE PROBLEM SINCE. *TR
EMPLOYEE DRIVING 1999 GMC 2500 PICKUP TOWING A 2008 TOWMASTER TRAILER LOADED WITH A BOBCAT 325 MINI EXCAVATOR NORTHBOUND ON I-25 AT SAN FELIPE EXIT HEARD A POP, THINKING IT WAS A BLOWN TIRE, TRIED TO PULL OFF TO THE RIGHT SIDE OF THE ROAD. LOST CONTROL OF THE VEHICLE, HIT A PASSING CAR, HIT A GUARDRAIL, CROSSED OVER THE HIGHWAY…
Read full complaint
EMPLOYEE DRIVING 1999 GMC 2500 PICKUP TOWING A 2008 TOWMASTER TRAILER LOADED WITH A BOBCAT 325 MINI EXCAVATOR NORTHBOUND ON I-25 AT SAN FELIPE EXIT HEARD A POP, THINKING IT WAS A BLOWN TIRE, TRIED TO PULL OFF TO THE RIGHT SIDE OF THE ROAD. LOST CONTROL OF THE VEHICLE, HIT A PASSING CAR, HIT A GUARDRAIL, CROSSED OVER THE HIGHWAY THROUGH ANOTHER GUARDRAIL, DOWN THE CONCRETE EMBANKMENT TO THE ROAD BELOW. ON THE PICKUP BOTH FRONT TIRES WERE BLOWN OUT AS A RESULT OF LANDING AT THE BOTTOM OF THE EMBANKMENT (DOT #K2W8YD4A, DOM ???? COUNTRY OF ORIGIN: VIETNAM). RIGHT REAR TIRE HELD AIR, BUT TREAD WAS PEELED OFF(DOT# 4TW8YD4A, DOM 0806 COUNTRY OF ORIGIN: CHINA). LEFT REAR TIRE (DOT# H2W8YD4A, DOM 2906, COUNTRY OF ORIGIN: KOREA) REMAINED INTACT. ALL TIRES ON THE PICKUP WERE KUHMO ROAD VENTURE AT - LT265/75R16. THE RIGHT FRONT TIRE OF THE TRAILER WAS ALSO BLOWN OUT. AS A RESULT OF THE ACCIDENT THE TRUCK, TRAILER, AND EQUIPMENT WERE ALL TOTALED OUT, ALTHOUGH THANKFULLY THE DRIVER WALKED AWAY WITH NECK AND BACK INJURIES. DRIVER AND PASSENGER OF OTHER CAR ALSO RECEIVED NECK AND BACK INJURIES. ALL TIRES WERE CHECKED FOR PROPER TIRE PRESSURE BEFORE THE TRIP FROM LAS VEGAS, NM TO ALBUQUERQUE, NM AND AGAIN REINSPECTED BEFORE LEAVING ALBUQUERQUE WITH LOAD BACK TO LAS VEGAS, NM. *TR
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
Illustration