NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
54 reportsClear category filterMileage unknown · Jan 7, 2004
Power Train
TRANSMISSION FAILURE AT 39,400 MILES, REQUIRING A COMPLETE REBUILD. VEHICLE WOULD NOT SHIFT INTO REVERSE AT ALL, AND SHIFTING TO 3RD AND 4TH GEARS BECAME EXTREMELY SLUGGISH. DEALERSHIP DIAGNOSED A BROKEN SUN SHELL AND THAT SEVERAL CLUTCH PACKS HAD GONE OUT. THIS VEHICLE HAS BEEN WELL MAINTAINED AND HAS NEVER TOWED ANYTHING. …
Read full complaint
TRANSMISSION FAILURE AT 39,400 MILES, REQUIRING A COMPLETE REBUILD. VEHICLE WOULD NOT SHIFT INTO REVERSE AT ALL, AND SHIFTING TO 3RD AND 4TH GEARS BECAME EXTREMELY SLUGGISH. DEALERSHIP DIAGNOSED A BROKEN SUN SHELL AND THAT SEVERAL CLUTCH PACKS HAD GONE OUT. THIS VEHICLE HAS BEEN WELL MAINTAINED AND HAS NEVER TOWED ANYTHING. THE DEALERSHIP OFFERED TO SPLIT THE REPAIR COST 50/50, BUT I FELT THAT MORE WAS WARRANTED GIVEN THE LOW MILEAGE OF THE VEHICLE. GM REFUSED TO PROVIDE ANY ADDITIONAL ASSISTANCE.*AK
NHTSA ODI #10052580
20,000 miles · Oct 1, 2003
Electrical SystemEngine And Engine CoolingFuel System, Gasoline
LOWER BALL JOINTS WEAR OUT PREMATURELY. *AK THE CONSUMER STATED THE VEHICLE WAS ON ITS FIFTH SET OF LOWER BALL JOINTS AND IT SIXTH IDLER ARM. THE CRUISE CONTROL WAS INOPERATIVE, THE GRILL GUARD WAS LOOSE, THE REAR DIFFERENTIAL LEAKED, THE DOOR LATCH WAS INOPERATIVE, THE SENDING UNIT WAS REPLACED, THE BATTERY WAS REPLACED, THE DO…
Read full complaint
LOWER BALL JOINTS WEAR OUT PREMATURELY. *AK THE CONSUMER STATED THE VEHICLE WAS ON ITS FIFTH SET OF LOWER BALL JOINTS AND IT SIXTH IDLER ARM. THE CRUISE CONTROL WAS INOPERATIVE, THE GRILL GUARD WAS LOOSE, THE REAR DIFFERENTIAL LEAKED, THE DOOR LATCH WAS INOPERATIVE, THE SENDING UNIT WAS REPLACED, THE BATTERY WAS REPLACED, THE DOOR WAS READJUSTED DUE TO A VIBRATION, THE LEFT FRONT HUB ASSEMBLY WAS REPLACED, THE EXHAUST MADE A NOISE, THE TENSIONER AND SERPENTINE BELT WAS REPLACED, THE FRONT AXLE SEAL LEAKED AND THE INTAKE GASKET LEAKED. *JB
NHTSA ODI #10038322
Mileage unknown · Aug 14, 2003
Power TrainSeats
HAVE A 99 BLAZER,2 WD. THE RECLINER HANDLE BROKE OFF THE FIRST WEEK I OWNED IT( MY KID BROKE IT BY SIMPLY TOUCHING IT!) VEHICLE HAD 32000 MI AT THE TIME. HAVE NOT FIXED IT BECAUSE OF COST.SINCE THEN I HAVE DISCOVERED AN OIL LEAK ON THE OIL LINE COOLER,A $300 FIX(TO REPAIR BOTH LINES),AND TO TOP THINGS OFF I'M BEING TOLD THAT THE…
Read full complaint
HAVE A 99 BLAZER,2 WD. THE RECLINER HANDLE BROKE OFF THE FIRST WEEK I OWNED IT( MY KID BROKE IT BY SIMPLY TOUCHING IT!) VEHICLE HAD 32000 MI AT THE TIME. HAVE NOT FIXED IT BECAUSE OF COST.SINCE THEN I HAVE DISCOVERED AN OIL LEAK ON THE OIL LINE COOLER,A $300 FIX(TO REPAIR BOTH LINES),AND TO TOP THINGS OFF I'M BEING TOLD THAT THE INTAKE GASKET HAS THE POTENTIAL OF GIVING WAY. I HAVE 58000MI ON THIS VEHICLE SO FAR. HAVE BEEN TOLD THAT THE S-10 BLAZER ARE NOTORIOUS FOR THESE PROBLEMS, AND SO FAR G.M. HAS NO RECALL ON ANY OF IT. INCENDENTLY A MECHANIC I KNOW HAS A S-10 BLAZER SIMILAR TO MINE, HIS OIL LINES LEAKED, AND FINALLY BLEW,COSTING HIM A NEW ENGINE. MINE HAVEN'T BLOWN -----YET. I CAN STILL DRIVE IT, BUT IT WORRIES ME. I'VE BEEN A G.M. FAN FOR MANY YRS. BUT THIS CRAZY BLAZER IS STARTING TO MAKE ME RECONSIDER WHAT MY NEXT VEHICLE WILL BE. CAN ANYTHING BE DONE ABOUT THIS????? THANKS. *AK
NHTSA ODI #10032794
64,210 miles · Jul 25, 2003
Power Train
LEAKING TRANS AXLE FLUID OUT OF FRONT AXLE (SEALS DEFECTIVE). *AK
NHTSA ODI #10029155
65,000 miles · Jun 24, 2003
Engine And Engine CoolingPower Train
TRANSMISSION VALVE IS STICKING WHICH CAUSES THE CHECK ENGINE LIGHT TO COME ON. DEALER NOTIFIED. *AK
NHTSA ODI #10024785
13,000 miles · May 31, 2003
Power TrainSeats
THE TRANSMISSION WENT OUT FOR THE SECOND TIME. IT NOW HAS 46,200 MILES. THE FIRST TIME IT WENT OUT IT HAD 13,000 MILES. SEVERAL PROBLEMS WITH THE SEAT BACK ADJUSTORS. THE CAST GEAR BROKE ON EACH SEAT AT LEAST TWICE. *TT
NHTSA ODI #10020807
84,000 miles · Feb 21, 2003
Power Train
4TH TIME SINCE I BOUGHT THE VEHICLE IN OCT.99 I HAVE HAD A PROBLEM WITH THE DIFFERENTIAL UNIT HAD 19,000 MILES WHEN I BOUGHT IT NOW HAS 84,000
NHTSA ODI #10007962
Mileage unknown · Jan 23, 2003
Power Train
TRANSFER CASE, IN 4X4 FAILS TO MOVE OR OPERATE, THE VEHICHLE WILL NOT MOVE OR STEER IN 4 WHEEL DRIVE
NHTSA ODI #10003260
Mileage unknown · Jan 8, 2003
Power Train
CONSUMER STATES THAT VEHICLE VIBRATES/SHAKES EXCESSIVELY AT SPEEDS OF 60MPH OR GREATER. PROBLEM HAS BEEN OCCURRING SINCE VEHICLE PURCHASE. DEALER IS UNABLE TO DETERMINE CAUSE. CONSUMER BELIEVES ISSUE IS WITH VEHICLE'S DRIVESHAFT. TS
NHTSA ODI #10002343
49,026 miles · Jan 3, 2003
Power Train
AUTOMATIC TRANSMISSION FAILED AT 49,026 MILES. WHILE DRIVING AND APPLYING PRESSURE TO THE ACCELERATOR PEDAL, THERE IS AN AUDIBLE SOUND OF A GEAR "FREE WHEELING". THE TRANSMISSION HESITATES TO SHIFT GEARS WHEN TRAVELING FORWARD. ALTHOUGH THE GEAR SHIFT LEVEL CAN BE PLACED INTO REVERSE, THE VEHICLE WILL NOT MOVE IN REVERSE. LI…
Read full complaint
AUTOMATIC TRANSMISSION FAILED AT 49,026 MILES. WHILE DRIVING AND APPLYING PRESSURE TO THE ACCELERATOR PEDAL, THERE IS AN AUDIBLE SOUND OF A GEAR "FREE WHEELING". THE TRANSMISSION HESITATES TO SHIFT GEARS WHEN TRAVELING FORWARD. ALTHOUGH THE GEAR SHIFT LEVEL CAN BE PLACED INTO REVERSE, THE VEHICLE WILL NOT MOVE IN REVERSE. LINDSAY CHEVROLET (DEALER WHERE I PURCHASED THE VEHICLE 3 YEARS, 2-1/2 MONTHS AGO) CONDUCTED A PRELIMINARY DIAGNOSIS THAT INVOLVED NO COMPUTER CHECK, BUT BASED ON THE EVIDENT NOISE AND PERFORMANCE OF THE TRANSMISSION RECOMMENDED REPLACEMENT OF THE TRANSMISSION. BEGINNING AT 28,805 MILES, THIS VEHICLE ALSO EXPERIENCED A RECURRING OIL LEAK FROM THE LOWER OIL LINE/OIL LINE ADAPTER THAT TOOK THE DEALER FOUR ATTEMPTS OVER FOUR MONTHS TO IDENTIFY AND REPAIR. THE RIGHT HUB ASSEMBLY ALSO BURNED OUT AT 38,190 MILES. TS
NHTSA ODI #10000497