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KLUNK

2001 Chevrolet Blazer

The Verdict

40 Proceed with Caution

The 2001 Chevrolet Blazer has 334 owner complaints filed with NHTSA. The most reported issues are electrical (109 complaints) and body (98 complaints). With a Klunk Score of 40/100, it earns a "Proceed with Caution" rating. If you're shopping for a Chevrolet Blazer, consider the 2005 model year which has 95% fewer complaints.

Safe Bet

The 2005 has 95% fewer complaints

View the 2005 Chevrolet Blazer dashboard →

40

Klunk Score: Proceed with Caution

About average for complaint volume. Research the specific issues before buying.

How is this calculated?

The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.

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Under the Hood

Each number is a complaint. Darker = bigger problem.

YearBodyBrakesElectricalEngineTransmission
20002404911913777
200198461095328
20027025854732
2003287342312
20042271254
200520580
2019509294054
2020406337156
2021231723519
2022925206
2023565138
20241111694
2025144640

By Category

Electrical
109
Body
98
Engine
53
Brakes
46
Transmission
28

By Severity

1
138
2
154
3
1
4
39
5
2

Worst Problems

Complaints

Brakes 2

Chevy Blazer has low milage. However, it still has several electrical issues radio at engine start goes to loudest point and car seats move backwards at awkward times which can cause an accident. Suspension very off guard, truck drifts to the sides while driving and makes an awkward sound when turning steering wheel. The complete break / steering system is off and may cause an accident if not properly take care right away. I have no money to do this big job. Please remediate.

38mo ago
Body 2

Seatbelt randomly becomes unbuckled while I am driving.

47mo ago
Engine 1

The contact's girlfriend owns a 2001 Chevrolet Blazer. The contact stated that fuel was leaking from the top of the fuel tank. There was an abnormal fuel odor detected. Additionally, the vehicle was slow to start. There were no warning lights illuminated. The contact called the local dealer however, the vehicle was not diagnosed nor repaired. The manufacturer was not contacted. The contact was concerned about the fuel odor and a possible fire. The failure mileage was unknown.

61mo ago
Transmission 2

I HAVE A 2001 BLAZER THAT KEEPS POPPING UP A CHECK ENGINE LIGHT CODES.I.E P0301,P0753,P0756,P0758. I HAVE HAD THESE PARTS REPLACED TWICE IN THE LAST FEW MONTHS. MECHANIC SAID IT WAS RELATED TO THE ELECTRICAL SYSTEM. THE CODES COME BACK AFTER DRIVING FOR ABOUT 100 MILES.

68mo ago
Electrical 2

MY HAZARDS AND BRAKE LIGHTS DON'T TURN ON.

87mo ago
Electrical 4

JUST GOT OUT OF MY TRUCK AND CAME BACK AND TRUCK WAS FIRE.

104mo ago
Transmission 2

TRANSMISSION COOLER LINES BETWEEN THE RADIATOR AND TRANSMISSION ARE CORRODED AND PITTED. THE LINES ARE INSTALLED OVER THE EXHAUST CATALYTIC CONVERTER. THERE IS TRANSMISSION FLUID LEAKING FROM THE LINES, WHICH IS DRIPPING ONTO HOT EXHAUST COMPONENTS AND BURNING, CREATING A FIRE HAZARD. THESE LINES APPEAR TO BE STAINLESS STEEL, WHICH SHOULDN'T BE CORRODING. THE LINES SHOULD NOT BE IN SUCH CLOSE PROXIMITY TO EXHAUST COMPONENTS. WHEN THE VEHICLE IS NOT RUNNING/IN MOTION, TRANSMISSION FLUID POOLS ON THE GROUND UNDER THE VEHICLE. IN MOTION, THE FLUID IS BEING BLOWN REARWARD, COATING THE UNDERCARRIAGE AND EXHAUST.

117mo ago
Brakes 2

BRAKE PEDAL SOFT AND BRAKE WARNING LAMP CAME ON ,MADE PARTIAL CHECK ( IT WAS DARK ALREADY ) OF BRAKE SYSTEM AND ONE OF THE LEFT FRONT BRAKE LINES IS RUSTED THRU AND LEAKING CHECKED FOR RECALL BUT NO LUCK. VEHICALIN MOTION ON A CITY STREET GOING STRAIGHT.

128mo ago
Electrical 1

MY 2001 BLAZER'S BRAKE LIGHTS STOPPED WORKING DURING A RECENT DRIVE, AND ANOTHER DRIVER WAS KIND ENOUGH TO POINT THIS OUT AT A STOPLIGHT. THE NEXT DAY THE BRAKE LIGHTS WORKED AGAIN, BUT REMAINED ON AFTER I SHUT OFF THE ENGINE. MY MECHANIC WAS ABLE TO DETERMINE THE PROBLEM WAS THE MULTIFUNCTION SWITCH ON THE STEERING COLUMN. THIS WAS A KNOWN ISSUE (GM RECALL NUMBER 01073) AND GM RECALLED A NUMBER OF THE SAME MAKE AND MODEL OF VEHICLES, BUT MY BLAZER'S VIN WAS NOT INCLUDED IN THE OFFICIAL RECALL.

129mo ago
Electrical 5

2001 CHEVROLET BLAZER. CONSUMER WRITES IN REGARDS TO IGNITION SWITCH RECALL ISSUES ALSO AIRBAGS AND SEAT BELTS MALFUNCTION DURING ACCIDENT. *SMD THE CONSUMER AND HER SON WERE INVOLVED IN A ROLL OVER ACCIDENT. AS A RESULT, HER SON DIED. *JB

132mo ago
Electrical 2

TL* THE CONTACT OWNS A 2001 CHEVROLET BLAZER. WHILE THE VEHICLE WAS BEING SERVICED BY AN INDEPENDENT MECHANIC FOR ROUTINE MAINTENANCE, IT WAS DISCOVERED THAT THE BRAKE LIGHTS FAILED TO ILLUMINATE. THE MECHANIC DIAGNOSED THAT THE MULTI-FUNCTION SWITCH NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE AND THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 01V364000 (EXTERIOR LIGHTING). THE APPROXIMATE FAILURE MILEAGE WAS 95,000.

136mo ago
Body 1

THE DRIVER SIDE DOOR STRIKER AND DOOR LATCH ARE DEFECTIVE. THE STRIKER HAS NO RUST AND IS NOT IN POSITION TO LATCH THE DOOR TIGHT THAT LEAVES A GAP BETWEEN THE DOOR AND BODY. THE DOOR LATCH AFTER OPENING THE DOOR REMAINS IN A CLOSED POSITION AND NEED TO MANUALLY LIFT THE LOCK IN ORDER TO SHUT THE DOOR. *TR

139mo ago
Engine 1

THE FUEL GAUGE FLUCTUATES THAT DOES NOT SHOW ACCURATE AMOUNT OF FUEL. THE GAUGE GOES TO EMPTY, 1/2, FULL, 3/4 TO LOW. UNSURE THE CORRECT AMOUNT OF FUEL. *TR

139mo ago
Brakes 2

ABS AND BRAKE LIGHT CONTINUOUSLY ON AND WHEN BRAKING THE ABS WILL ACTIVATE MAKING BRAKING DIFFICULT. *TR

139mo ago
Body 1

BOTH FRONT DOORS STRIKERS ARE BROKEN OFF OF THE FRAME. NO RUST .NO WRECKS. *TR

140mo ago
Engine 2

ANY TIME I AM DRIVING MY FUEL GAUGE GOES CRAZY. I NEVER KNOW HOW MUCH FUEL I ACTUALLY HAVE BECAUSE IT CONSTANTLY GOES UP AND DOWN. I'VE RAN OUT OF GAS A FEW TIMES BECAUSE IT SHOWS I HAVE 1/4 TANK OR MORE AND THEN IT'LL JUST GO DOWN ALL THE WAY, THEN SHOOT UP 3/4 TANK AND SO ON. WHEN I'M COMING TO A STOP, ESPECIALLY IN SMALL DOWNHILLS, MY BRAKE PEDAL STARTS VIBRATING AND BARELY SLOWS DOWN. I GET NERVOUS ALL THE TIME BECAUSE I'M AFRAID MY CAR WILL NOT STOP. IT ALSO DOES THIS IF I'M STARTING TO BRAKE, AND ONE OF THE WHEELS HITS A SMALL BUMP IN THE ROAD, THEN IT'S ALMOST IMPOSSIBLE TO BRAKE NORMALLY BECAUSE THE BRAKE PEDAL STARTS VIBRATING, THE ABS BRAKES LIGHT COMES ON, AND MY CAR WILL NOT SLOW DOWN WHICH IS VERY SCARY ESPECIALLY IF I HAVE MY 3 YEAR OLD IN THE CAR. *TR

140mo ago
Brakes 2

ABOUT ONCE A FEW WEEKS, MY ABS WILL ACTIVATE WHEN IT IS NOT SUPPOSED TO. I WILL BE TRYING TO MAKE A NORMAL STOP, SOMETIMES AN ABNORMALLY SLOW STOP AND THE BRAKE PEDAL WILL VIBRATE AND DEPRESS BUT THE VEHICLE WON'T STOP THE WAY IT'S SUPPOSED TO. AT THAT POINT, I USUALLY JAM THE BRAKES DOWN AND PRAY. SOMETIMES WHEN I HAVE ENOUGH STOPPING DISTANCE, I WILL PUMP THE BRAKES AND IT GOES BACK TO NORMAL. WHEN ARE YOU FORCE GM TO DO A RECALL? I READ THE BLOGS ABOUT THIS PROBLEM TODAY, AND THIS A FREQUENT PROBLEM WITH THIS MAKE AND MODEL. *TR

146mo ago
Engine 1

FUEL GAUGE FLUCTUATES BETWEEN EMPTY AND 1/3 FULL WITHOUT WARNING. THIS HAPPENS IN PARK AND WHEN DRIVING. YOU NEVER KNOW HOW MUCH GAS YOU HAVE. I HAVE SEEN IT DROP FORM 1/4 FULL TO COMPLETELY EMPTY IN SECONDS. I HAVE RUN OUT OF GAS ON WAY TO WORK WHEN GAS GAUGE SAID 1/4 FULL WHEN I STARTED OFF TO WORK, ONLY A COUPLE OF MILES AWAY. I HAVE TOLD LOCAL CHEVY DEALER ( H & H ) ABOUT PROBLEM WHEN HAVING SERVICE BUT THEY SAID THAT WAS NOT A PROBLEM, WAS PROBABLY BECAUSE YOU WERE ON A SLOPE. THIS HAS BEEN AN ONGOING PROBLEM SINCE I ORIGINALLY PURCHASED SUV NEW. *TR

147mo ago
Brakes 2

BRAKE/ABS LIGHTS COME ON THE DASH, NO ABS BRAKES AT ALL, SO NOW WHAT ??? *TR

168mo ago
Electrical 1

TL* THE CONTACT OWNS A 2001 CHEVROLET BLAZER. THE CONTACT STATED THAT WHILE HAVING THE VEHICLE INSPECTED THE BRAKE LIGHTS FAILED TO ILLUMINATE. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO DID NOT OFFER ANY ASSISTANCE SINCE THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER: 08V231000 (EXTERIOR LIGHTING). THE FAILURE AND CURRENT MILEAGE WAS 130,000.

168mo ago

334 total

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