Problems · NHTSA complaints
1999 Chevrolet S-10 problems
Owners filed 238 complaints about the 1999 Chevrolet S-10 with NHTSA between Jan 1999 and Feb 2017. The most-cited component is service brakes, hydraulic (37).
Complaints
238
Filed with NHTSA
Crashes
33
Reported by owners
Fires
2
Reported by owners
Injuries
21
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Service brakes, hydraulic37
- Seats32
- Power train28
- Structure26
- Air bags26
- Engine and engine cooling23
- Electrical system17
- Tires12
- Equipment12
- Suspension9
- Vehicle speed control7
- Fuel system, gasoline6
- Seat belts6
- Steering6
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 10, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
24
40
27
21
31
33
20
7
7
5
3
5
7
2
1
4
0
0
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 1999 | 24 |
| 2000 | 40 |
| 2001 | 27 |
| 2002 | 21 |
| 2003 | 31 |
| 2004 | 33 |
| 2005 | 20 |
| 2006 | 7 |
| 2007 | 7 |
| 2008 | 5 |
| 2009 | 3 |
| 2010 | 5 |
| 2011 | 7 |
| 2012 | 2 |
| 2013 | 1 |
| 2014 | 4 |
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Service brakes, hydraulic
37 reports5 crashes
“A BRAKE LINE FAILED IN A PARKING LOT AS I WAS BACKING OUT OF A PARKING SPACE. THE DEALER SAID THE LINE WAS CORRODED AND SPLICED IN A COMPRESSION FITTING AT A COST OF $222.50. SINCE THEN, THERE HAVE BEEN 2 OTHER FAILURES OF BRAKE LINES DUE TO CORROSION. THE SECOND FAILURE, I REPLACED ABOUT 10 FT OF BRAKE LINE MYSELF. THE 3RD BRAKE LINE FAILURE OCCURRED WHILE AN INDEPENDENT MECHANIC WAS FIXING A BROKEN UPPER CONTROL ARM THAT HAD FAILED DUE TO (WOW) CORROSION. *TR”
Seats
32 reports
“NO EVENTS LEADING TO IT. JUST HAPPENS OUT OF THE BLUE WHEN USING IT. THIS HAPPENS SPORADICALLY. SEAT RECLINER LEVERS DEFECTIVE AND BREAK VERY EASY, THE PARTS THAT HOLD IT TOGETHER ARE CHEAP DIE CAST METAL. HAVEN'T BOTHERED REPLACING AS I CANNOT AFFORD, DEALER WONT REPLACE, JUNK YARDS DON'T HAVE THEM. *TR”
Power train
28 reports1 crash1 fire
“YES MY ENGINE LIGHT CAME ON AND IT SAID SERVICE ENGINE SOON. SO I TOOK IT TO A MICHANIC AND HAD IT CHECKED AND IT CAME UP THE TRANSMISSION WAS HAVING ISSUES IS THERE ANYTHING OR HELP I CAN GET TO REPLACE IT? *TR”
Structure
26 reports1 crash
“TL* THE CONTACT OWNS A 1999 CHEVROLET S10. THE CONTACT STATED THAT HE NOTICED THAT THE SPARE TIRE BECAME DETACHED FROM THE VEHICLE. THE CONTACT INSPECTED THE VEHICLE AND FOUND THAT THE SPARE TIRE CABLE HAD FRACTURED PREMATURELY. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE AND CURRENT MILEAGE WAS 60,620.”
Air bags
26 reports21 crashes
“TL*THE CONTACT OWNS A 1999 CHEVROLET S-10. WHILE DRIVING 55 MPH THE CONTACT'S SON FELL ASLEEP AT THE WHEEL AND CRASHED HEAD ON INTO A TREE. HIS INJURIES CONSISTED OF A SPRAINED ANKLE AND ABDOMINAL CONTUSION FROM THE STEERING WHEEL. THE SEAT BELT RESTRAINED HIM, BUT CAUSED BRUISING IN THE CHEST AREA. THE FRONT AIR BAGS FAILED TO DEPLOY. THE FAILURE MILEAGE WAS 87,861.*AK”
Engine and engine cooling
23 reports1 fire
“IT'S A 99 S-10 V6 / 4.3LITER RARELY DRIVEN, 62,000 MILES ON THE VEHICLE. NO REAL EVENT LEADING TO THE PROBLEM. RIGHT NOW IT IS LEAKING RADIATOR FLUID FROM THE FRONT OF THE ENGINE BLOCK. I CANNOT SEE WHERE THE LEAK IS DIRECTLY AS IT PICKS AND CHOOSES DAYS TO LEAK AND NOT LEAK. IT HASN'T OVERHEATED OR ANYTHING YET. IT STILL HAS THE ORIGINAL RADIATOR FLUID IN IT FROM WHEN I BOUGHT IT. I KEEP TELLING MY MECHANIC WE NEED TO FLUSH OR JUST CHANGE THE FLUID. FOR OVER 6 MONTHS HE KEEPS SAYING ITS FINE. IT DRIPS ONTO THE SKID PLATE UNDER THE ENGINE AND DRIPS FROM THERE. NEVER A HUGE PUDDLE JUST ENOUGH TO MAKE A 2 FOOT DIAMETER WET SPOT. NOTHING HAS BEEN DONE YET. MECHANIC SAYS TO PUT KARS RADIATOR STOP LEAK IN IT. I HAVE A LONG ROAD TRIP COMING UP IN 2 WEEKS AND AFRAID TO TAKE IT OUT OF TOWN. *TR”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.