Problems · by component

2002 Chevrolet Blazer power train problems

35 owner complaints to NHTSA about the 2002 Chevrolet Blazer cite power train, 14% of all 259 complaints for this model year.

Complaints
35
14% of all complaints
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
1
Reported by owners
01 —Owner reports

What owners say about the power train

Verbatim from NHTSA complaints, newest first
“2002 CHEVROLET BLAZER. CONSUMER WRITES IN REGARDS TO VEHICLE FLEX PLATE ISSUES. *SMD THE CONSUMER STATED THE FLEX PLATE HAD TO BE REPLACED TWICE. THE MANUFACTURER WAS NOTIFIED AND DID NOT OFFER ANY ASSISTANCE. UPDATED 11/27/2017*JS”
Owner complaint to NHTSAFiled Nov 27, 2017Power trainODI 10703663
“MY 2002 CHEVY BLAZER WILL NO LONGER SHIFT INTO 4-WHEEL DRIVE. IT HAS BEEN THIS WAY FOR OVER A YEAR NOW, AND CHEVY WON'T EVEN ACKNOWLEDGE MY COMMUNICATIONS ABOUT IT. *TR”
Owner complaint to NHTSAFiled Nov 10, 2008Power trainODI 10248272
“I PURCHASED MY 2002 CHEVROLET IMPALA LS IN DECEMBER, 2004. GREAT LOOKING VEHICLE WITH NUMEROUS PROBLEMS. THE MOST RECENT AND SEVERE HAS COME OVER THE LAST FEW DAYS. WHILE ACCELERATING ON AN ENTRANCE RAMP, THE CAR WILL NOT SHIFT PROPERLY; VERY ROUGH AND THE RPM'S GO TO 4000 OR ABOVE BEFORE SHIFTING OR IF I LET OFF THE ACCELERATOR. I AM TERRIFIED THAT THE TRANSMISSION IS GOING TO COME OUT COMPLETELY WHILE DRIVING WITH MY FAMILY IN THE VEHICLE; I AM TAKING THE CAR TO A MECHANIC TO HAVE IT LOOKED AT. I HAVE ALSO BEEN RESEARCHING OTHER COMPLAINTS ABOUT THE CAR, AND TO MY HORROR, I AM EXPERIENCING MUCH OF THE SAME AS OTHER CONSUMERS. HOW CAN SO MANY COMPLAINTS BE ISSUED ABOUT THE SAME VEHICLE AND GENERAL MOTORS NOT FIXING THE PROBLEMS?? *TR”
Owner complaint to NHTSAFiled Nov 27, 2007Power trainODI 10210098
“TL* - THE CONTACT OWNS A 2002 CHEVROLET TRAIL BLAZER LP. THE CONTACT STATED THAT TRANSMISSION COOLANT LINES DESIGN WAS FLAWED. THE THE COOLANT LINES WERE CLOSE TO THE EXHAUST PIPE MANIFOLD, AND THEY HEATED UP AND CAUSE DAMAGE TO THE COOLANT LINES. THE CONTACT STATED THAT THIS WAS VERY COSTLY, AND SHOULD BE A SAFETY RECALL. THE CURRENT AND FAILURE MILEAGE WERE BOTH 69048.*AK”
Owner complaint to NHTSAFiled Feb 21, 2007Power trainODI 10183128
“RE 2002 CHEVY TAHOE TRANSMISSION PROBLEMS: UP UNTIL THE 34,000 MILE RANGE THE VEHICLE DID JUST THAT, RUN FLAWLESSLY. HOWEVER, AT 34,000 MILES (NOVEMBER OF 2004) THE TRANSMISSION WENT OUT. MY WIFE WAS DRIVING TO WORK AND NEEDED TO ACCELERATE TO MERGE ONTO THE FREEWAY AND INSTANTLY THE TRANSMISSION BEGAN TO WHINE AND STOPPED OPERATING WHICH PLACED HER INTO THE PATH OF A LARGE TRUCK BEARING DOWN ON HER RATHER QUICKLY. THANKFULLY SHE WAS ABLE TO GLIDE OUT OF THE PATH OF THE TRUCK TO THE SIDE OF THE ROAD. WE HAD THE TAHOE TOWED BACK TO OUR DEALERSHIP AND WE DETERMINED THAT THE TRANSMISSION "SUN SHELL" HAD FAILED AND WOULD BE REPLACED. OUR DEALER ASSURED US THAT THIS WOULD SOLVE THE PROBLEM, BECAUSE THE NEW PARTS WERE DESIGNED TO PREVENT THIS FROM OCCURRING IN THE FUTURE. OUR DEALER FURTHER STATED THAT THEY HAVE BEEN REPAIRING A LARGE NUMBER OF VEHICLES WITH THESE FAILURES. OUR TAHOE WENT OFF OF IT'S NEW CAR WARRANTY ON MILEAGE NOT NUMBER OF MONTHS SOMETIME IN APRIL OF 2005 (36 MONTHS WOULD HAVE ENDED THIS AUGUST). JUST THIS PAST MONDAY (SEPTEMBER 19, 2005) MY WIFE WAS AGAIN ON HER WAY TO WORK WHEN AGAIN THE TRANSMISSION FAILED IN OUR 2002 TAHOE. THE MILEAGE WAS…”
Owner complaint to NHTSAFiled Sep 28, 2005Power trainODI 10137977
“DROVE FROM OHIO TO FLORIDA, 1040 MILES. 250 MILES INTO THE TRIP, MY CONSOLE BECAME EXTREMELY HOT. THE SIDE OF THE CONSOLE TOUCHES THE DRIVERS SEAT AND IT WAS MAKING MY SEAT VERY HOT. THE ITEMS INSIDE MY CONSOLE MELTED, THE HAND WASH BURNT MY HAND WHEN I TOOK IT OUT TO USE IT. NOW THE CONSOLE IS GETTING HOT ONLY AFTER 50 MILES AND SOMETIMES LESS THAN THAT. ALSO, THE CD PLAYER GETS HOT. THE CD'S OCCASIONALLY BECOME SO HOT THAT I DROP THEM WHEN THEY GET SPIT OUT BY THE PLAYER BY ITSELF. I HAVE NO IDEA WHAT THE PROBLEM IS AND I AM WORRIED MY BLAZER MAY CATCH FIRE OR BLOW UP. ALSO, AT TIMES WHEN I START UP AGAIN FROM A RED LIGHT, THE TRANSMISSION SOUNDS SO LOUD LIKE IT IS WORKING VERY HARD TO GET MOVING. I KNOW THESE THINGS ARE NOT NORMAL. AM I SAFE DRIVING MY BLAZER? I BOUGHT IT BRAND NEW IN 2002. NOW I AM AFRAID OF IT. *JB”
Owner complaint to NHTSAFiled Aug 10, 2005Power train, Unknown or otherODI 10132271

Showing 6 of 35 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Other 2002 Blazer problem areas