NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
22 reportsClear category filter63,000 miles · Jul 17, 2009
Engine And Engine Cooling
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 HA…
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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
NHTSA ODI #10277231
63,000 miles · Jul 18, 2008
Engine And Engine Cooling
TL*THE CONTACT OWNS A 1999 CHEVROLET S-10. WHILE THE VEHICLE WAS PARKED, THE CONTACT NOTICED THICK RUST DRIPPING FROM THE ENGINE OF THE VEHICLE. HE TOOK THE VEHICLE TO A SERVICE MECHANIC AND WAS INFORMED THAT THE INTAKE MANIFOLDS WERE RUSTED OUT, AS WELL AS THE WATER PUMP, RADIATOR, AND ALL OF THE HOSES. THE VEHICLE HAS NOT B…
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TL*THE CONTACT OWNS A 1999 CHEVROLET S-10. WHILE THE VEHICLE WAS PARKED, THE CONTACT NOTICED THICK RUST DRIPPING FROM THE ENGINE OF THE VEHICLE. HE TOOK THE VEHICLE TO A SERVICE MECHANIC AND WAS INFORMED THAT THE INTAKE MANIFOLDS WERE RUSTED OUT, AS WELL AS THE WATER PUMP, RADIATOR, AND ALL OF THE HOSES. THE VEHICLE HAS NOT BEEN SERVICED FOR THE FAILURES AND HAS NOT BEEN DIAGNOSED BY THE DEALER. THE CURRENT MILEAGE WAS 104,636 AND FAILURE MILEAGE WAS 63,000.
NHTSA ODI #10234855
73,960 miles · Mar 12, 2007
Engine And Engine CoolingSuspension
TSB #030601024A -- RATTLE NOISE IN ENGINE. *TT (NHTSA ID #10004301, MARCH 01 2004) #6 ROD CAP STRETCHED, CAUSING BEARING TO FAIL. ALSO OTHER BEARINGS BEGAN TO FAIL. POSSIBLY DUE TO COOLANT LEAK FROM INTAKE MANIFOLD GASKET OR JUST VERY DEFECTIVE PART - MECHANIC UNSURE THIS OF A VEHICLE THAT IS PROPERLY (SOMETIMES OVERLY) MAINT…
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TSB #030601024A -- RATTLE NOISE IN ENGINE. *TT (NHTSA ID #10004301, MARCH 01 2004) #6 ROD CAP STRETCHED, CAUSING BEARING TO FAIL. ALSO OTHER BEARINGS BEGAN TO FAIL. POSSIBLY DUE TO COOLANT LEAK FROM INTAKE MANIFOLD GASKET OR JUST VERY DEFECTIVE PART - MECHANIC UNSURE THIS OF A VEHICLE THAT IS PROPERLY (SOMETIMES OVERLY) MAINTAINED. HAVE ALL SERVICE RECORDS TO PROVE IT. EVEN MECHANICS COMMENTED ON UPKEEP OF VEHICLE. SERVICE FACILITY REFUSES TO MAKE REPAIRS - TRYING TO FORCE COMPLETE ENGINE REPLACEMENT EVEN THOUGH CRANK JOURNALS CAN BE POLISHED, NEW BEARINGS CAN BE PUT IN AND ROD CAN BE REPLACED. BASICALLY THEY AND GM ARE LOOKING FOR A BIG PAYDAY - THEY ARE SADLY MISTAKEN. I HAVE HAD NOTHING BUT PROBLEMS WITH THIS VEHICLE, WITH EACH REPAIR BECOMING MORE AND MORE EXPENSIVE. I NOW HAVE TO GET RID OF THE TRUCK AND HAVE FINANCIAL HARDSHIP DUE TO THE COSTLY REPAIRS. THE SAD PART ABOUT THIS IS GM DOES NOT STAND BEHIND THEIR PRODUCTS / SERVICES, A RECALL SHOULD HAVE BEEN DONE FOR THIS PROBLEM AS IT IS VERY COMMON TO THEIR ENGINE FAMILIES, SIMILAR TO THE PISTON SLAP ISSUE WITH THE TRUCK LS-SERIES OF ENGINES. *JB
NHTSA ODI #10184815
78,000 miles · Aug 15, 2006
Engine And Engine CoolingPower TrainWheels
FOR THE SECOND TIME MY 1999 CHEVY S-10 PICKUP HAS BEEN TAKEN TO THE TRANSMISSION SHOP BECAUSE I HAVE LOST SECOND GEAR AND REVERSE. THIS IS A COSTLY REPAIR, THE FIRST TIME IT COST ME $1,600.00 TO REPLACE A $44.00 PART BECAUSE THE WHOLE TRANSMISSION HAD TO BE OVERHAULED. THE TRANSMISSION IN THE CHEVY IS MADE WITH INFERIOR PARTS …
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FOR THE SECOND TIME MY 1999 CHEVY S-10 PICKUP HAS BEEN TAKEN TO THE TRANSMISSION SHOP BECAUSE I HAVE LOST SECOND GEAR AND REVERSE. THIS IS A COSTLY REPAIR, THE FIRST TIME IT COST ME $1,600.00 TO REPLACE A $44.00 PART BECAUSE THE WHOLE TRANSMISSION HAD TO BE OVERHAULED. THE TRANSMISSION IN THE CHEVY IS MADE WITH INFERIOR PARTS AND SHOULD BE RECALLED TO HAVE ALL THE GEARS REPLACED. I HAVE ALSO HAD TO REPLACE BOTH FRONT WHEEL HUBS AND A MOTOR. THE S1-S OF THIS ERA NEED TO BE INVESTIGATED AND THE CONSUMER SHOULD BE PROTECTED!! *NM
NHTSA ODI #10165514
15,000 miles · Aug 25, 2004
Engine And Engine Cooling
ENGINE RATTLES DUE TO BALANCE SHAFT BETWEEN 1800 AND 2000 RPMS, REPLACE WITH TIMING TENSIONER KIT. GM HAS A FIX FOR THIS WITH A TSB NUMBER AND ALL, BUT WILL ONLY FIX VEHICLES WITH ORIGINAL 3 YEAR 36,000 MILE WARRANTY. THEY LITERALLY INVENTED A PART TO INSTALL THAT SHOULD HAVE BEEN INSTALLED FROM THE FACTORY DUE TO OVERWHELMING C…
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ENGINE RATTLES DUE TO BALANCE SHAFT BETWEEN 1800 AND 2000 RPMS, REPLACE WITH TIMING TENSIONER KIT. GM HAS A FIX FOR THIS WITH A TSB NUMBER AND ALL, BUT WILL ONLY FIX VEHICLES WITH ORIGINAL 3 YEAR 36,000 MILE WARRANTY. THEY LITERALLY INVENTED A PART TO INSTALL THAT SHOULD HAVE BEEN INSTALLED FROM THE FACTORY DUE TO OVERWHELMING COMPLAINTS. I WAS UNDER MY GM 5 YEAR 75,000 MILE WARRANTY AND THEY EVEN HAD MY ENGINE APART REBUILDING UNDER WARRANTY AND WOULD NOT INSTALL THE NEW TIMING CHAINTENSIONER TO ELIMINATE RATTLE. THE RATTLE INDICATES METEAL ON METAL CONTACT, AND EVENTUAL WEAR. I HAD A WARRANTY, AND THEY WOULD NOT FIX IT. VERY FRUSTRATING. WE ENDED UP BUYING A TOYOTA TACOMA FOR MY WIFE, THUS ENDING ANY FUTURE PURCHASES WITH GM. I STILL HAVE TRUCK, AND MAY PURSUE THIS IN COURT. IT BASICALY AFFECTS EVERY 4.3L EQIPPED GM VEHICLE, SO THEY ONLY PICK AND CHOOSE WHO TO FIX. IT IS HOT OR MISS AT SOME DEALERS ACCORDING TO OTHER OWNERS. *AK
NHTSA ODI #10088530
118,000 miles · Jul 1, 2004
Engine And Engine Cooling
THE CONSUMER HEARD A RATTLING NOISE THEN THE CAR SUDDENLY STOPPED WHILE HE WAS BACKING OUT OF HIS DRIVE WAY. *NM
NHTSA ODI #10080249
50,000 miles · Nov 5, 2003
Engine And Engine Cooling
WHILE DRIVING AT ANY SPEED VEHICLE WOULD INTERMITTENTLY STALL. CONSUMER WOULD COAST TO A SAFE AREA, AND AFTER A FEW MINUTES, VEHICLE WOULD START UP LIKE NOTHING EVER WAS WRONG. *AK
NHTSA ODI #10046375
Mileage unknown · Mar 18, 2003
Engine And Engine CoolingPower Train
THE TRANSMISSION DID NOT SHIFT INTO GEAR. IT FELT AS IF THE GEAR WAS IN NEUTRAL, CONSUMER WAS INFORMED THAT WATER AND TRANSMISSION FLUID CAME OUT OF THE TRANSMISSION BREATHER WHICH CAUSED THE FLUID TO TURN PINK, AND THE TRANSMISSION NEEDED TO BE REPLACED. ALSO THE ENGINE STALLED ON OCCASIONS. *AK *JB
NHTSA ODI #10009606
Mileage unknown · Oct 23, 2002
Engine And Engine Cooling
DEALER HAS REPLACED FUEL PUMP, 4 CAT CONVERTER SETS, O2 SENSORS, VCM COMPUTER UNDER WARRANTY AND VEHICLE STILL STALLS RANDOMLY. DT
NHTSA ODI #768790
Mileage unknown · Jun 27, 2002
Electrical SystemEngine And Engine CoolingFire
WHILE DRIVING 30-35 MPH, A FIRE STARTED IN THE ENGINE COMPARTMENT. DEALER AND MANUFACTURER WERE NOTIFIED. *AK THE ENGINE HAD ALREADY STOPPED AND VEHICLE WAS COASTING WHEN THE FIRE BECAME EVIDENT. THE BRAKES WERE NON-FUNTIONAL, CONSUMER STOPPED THE VEHICLE BY MEANS OF EMERGENCY BRAKE. TRUCK WAS CONSUMED AND TOTALLY ENGULFED …
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WHILE DRIVING 30-35 MPH, A FIRE STARTED IN THE ENGINE COMPARTMENT. DEALER AND MANUFACTURER WERE NOTIFIED. *AK THE ENGINE HAD ALREADY STOPPED AND VEHICLE WAS COASTING WHEN THE FIRE BECAME EVIDENT. THE BRAKES WERE NON-FUNTIONAL, CONSUMER STOPPED THE VEHICLE BY MEANS OF EMERGENCY BRAKE. TRUCK WAS CONSUMED AND TOTALLY ENGULFED IN ABOUT FIVE MINUTES. TOTAL LOSS. *SCC
NHTSA ODI #8012835
NHTSA investigations
3EA05008 · Tailgate Support Cables
Opened Apr 14, 2005 · Closed May 19, 2006
Status: closed (inferred from source dates) · Latches/locks/linkages:tailgate:latch
GENERAL MOTORS IS CONDUCTING A SPECIAL POLICY PROGRAM FOR 903,464 OWNERS OF 2000 - 2003 MODEL S/T VEHICLES THROUGH WHICH OWNERS MAY, AT THEIR OPTION, EITHER (1) PERIODICALLY INSPECT THE TAILGATE SUPPORT CABLES INSTALLED IN THEIR VEHICLE AND HAVE THE CABLES REPLACED IF THE CABLE COATING EXHIBITS ANY INDICATIONS OF DAMAGE OR DETERIORATION OR (2) REQUEST THAT THE TAILGATE SUPPORT CABLES BE REPLACED FREE OF CHARGE. GM WILL HONOR ALL REQUESTS BY OWNERS WHO OPT FOR REPLACEMENT WITHOUT QUESTION REGARDLESS OF THE CONDITION OR APPEARANCE OF THE CABLES. GM HAS AGREED TO MAIL REMINDER NOTIFICATIONS TO OWNERS EVERY TWO YEARS UNTIL THE TAILGATE SUPPORT CABLES HAVE BEEN REPLACED OR UNTIL THE VEHICLE IS 12 YEARS OLD.ODI'S INVESTIGATION INDICATES THAT A SIGNIFICANT MAJORITY OF THE REPORTED COMPLAINTS (87%) AND INJURIES (94%) HAVE OCCURRED IN MY 2000 - 2003 S/T VEHICLES.
RQ04012 · Tailgate Support Cable(s) Break
Opened Nov 22, 2004 · Closed Apr 14, 2005
Status: closed (inferred from source dates) · Structure:body:hatchback/liftgate:support Device/strut
ODI IS UPGRADING RQ04-012 AND OPENING AN EA TO INVESTIGATE THE TAILGATE SUPPORT CABLES INSTALLED IN 1998 - 2004 MODEL YEAR SONOMA AND S10 MODEL VEHICLES.GENERAL MOTORS IS CONDUCTING RECALL CAMPAIGN 04V-129 TO REPLACE THE TAILGATE SUPPORT CABLES ORIGINALLY INSTALLED IN CERTAIN MODEL YEAR 2000-2004 SIERRAS AND SILVERADOS AND CERTAIN MODEL YEAR 2002-2004 AVALANCHES AND ESCALADE EXTS (C/K MODELS).GENERAL MOTORS HAS ADVISED ODITHAT THE TAILGATE SUPPORT CABLES INSTALLED IN THE SUBJECT VEHICLES WERE FABRICATED USING IDENTICAL OR SIMILAR SHEATHING MATERIAL AS THE RECALLED VEHICLES.HOWEVER,GENERAL MOTORS HAS ADVISED ODI THAT SONOMA AND S-10 VEHICLES DIFFER FROM C/K MODELS IN SEVERAL WAYS: THE VEHICLE HEIGHT IS LOWER; THE TAILGATE DISPLACEMENT (DROP) WHEN NOT SUPPORTED BY THE CABLES IS SMALLER AND THE TAILGATE COMES TO REST AT A LESS SEVERE TIP ANGLE WHEN NOT SUPPORTED BY THE CABLES; THE TAILGATE MASS IS SMALLER; AND THE SIZE, PAYLOAD, AND USAGE CHARACTERISTCIS ARE LESS DEMANDING THAN C/K MODEL VEHICLES.GM ALSO STATED THAT SONOMA AND S-10 WARRANTY CLAIM INFORMATION INDICATES A LOWER CLAIM COUNT AND A LOWER CLAIM RATE THAN RECALLED C/K MODELS.NOTWITHSTANDING THE ABOVE INFORMATION, ODI HAS RECEIVED AN ADDITIONAL 73 NON-INJURY COMPLAINTS AND 10 INJURY COMPLAINTS ON THE SUBJECT VEHICLES DURING RQ04-012 (SINCE NOVEMBER 2004 TO DATE), WHICH JUSTIFIES OPENING AN ENGINEERING ANALYSIS TO FURTHER INVESTIGATE THIS ISSUE.
PE99009 · POST-COLLISION Fuel System Integrity
Opened Feb 1, 1999 · Closed Jun 11, 1999
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
ALLEGED THAT THE FUEL TANK MAY BE SUSCEPTIBLE TO PUNCTURE IN CERTAIN CRASH MODES