Chevrolet Blazer Reliability by YearBest & worst years, problems & recalls — NHTSA data
Comparing used Chevrolet Blazer options? We analyzed 10 model years (2004–2026) using real NHTSA complaint and recall data so you can spot stronger years, avoid riskier ones, and know what to inspect before buying.
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Model-year trends show patterns — they can't tell you whether this car was crashed, flooded, or rolled back. A VIN check can.
- Accident & damage history
- Odometer rollback records
- Open recalls & title brands
Based on NHTSA complaint data, the Chevrolet Blazer has 739 owner complaints and 12 safety recalls across model years 2004–2026. The most reported issue area is ELECTRICAL SYSTEM. 2004 drew the most complaints; 2005 drew the fewest.
- Make
- Chevrolet
- Model
- Blazer
- Model years analyzed
- 2004–2026 (10 years)
- Total NHTSA complaints
- 739
- Safety recall campaigns
- 12
- Crash-related complaints
- 30
- Fire-related complaints
- 4
- Worst model year (by complaints)
- 2004 (50 complaints)
- Best model year (fewest complaints)
- 2005 (15 complaints)
- Top reported issue area
- ELECTRICAL SYSTEM
- Reliability signal
- Poor
By model year
Chevrolet Blazer: which years to avoid & which to buy
Based on total NHTSA owner complaints per model year. Higher complaint counts indicate a riskier year to buy used — lower counts suggest a cleaner reliability record.
These years have the most owner complaints. Inspect carefully and always run a VIN check.
These years have the fewest owner complaints on record — lower risk starting points.
Crash test ratings
NHTSA NCAP crash test ratings
New Car Assessment ProgramNCAP crash tests measure how well a vehicle protects occupants in controlled frontal crash, side crash, and rollover scenarios. Stars are awarded per category (5 = safest). These laboratory results are independent of owner complaints and are performed by NHTSA engineers on new production vehicles.
Source: nhtsa.gov/ratings
What the complaint data suggests
PoorThe CHEVROLET BLAZER has 739 NHTSA complaints and 12 recalls on record. 30 complaints involve crash-related incidents. This data reflects owner-reported issues submitted to the National Highway Traffic Safety Administration.
- 739 total complaints filed with NHTSA
- 12 federal recall campaigns
- 30 crash-related complaints on record
- Review NHTSA complaint history for the most-reported components
- Check recall completion status at nhtsa.gov/recalls
- Verify service records for frequently complained components
Consult the by-year breakdown to identify model years with elevated complaint rates.
Consult the by-year breakdown to identify model years with fewer reported issues.
- Run a VIN check on the specific vehicle you are considering
- Verify all open recalls are completed at nhtsa.gov/recalls
- Request service records for the most-reported complaint components
- Have a certified mechanic inspect the vehicle before purchase
Problems by model year (best vs. worst)
Source: NHTSA public complaints database. Updated: Aug 2026
Safety recalls
NHTSA safety recalls
12 recalls foundSafety recalls are mandatory repair campaigns ordered by NHTSA when a vehicle defect poses an unreasonable risk to safety. Manufacturers are required to fix recalled vehicles free of charge. Always verify open recalls before buying a used car.
LATCHES/LOCKS/LINKAGES:DOORS:LATCH
POWER TRAIN:DRIVELINE:DRIVESHAFT
POWER TRAIN:AUTOMATIC TRANSMISSION
EQUIPMENT:OTHER:LABELS
STRUCTURE:BODY:DOOR
SEATS
SEAT BELTS
TIRES
POWER TRAIN:AUTOMATIC TRANSMISSION
TIRES
AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
POWER TRAIN:AUTOMATIC TRANSMISSION
Source: NHTSA Recalls Database. Data covers model years 2004–2026. Always run a VIN-specific check below for the most up-to-date open recall status.
Common problems
What goes wrong most often
The vehicle systems owners complain about most, ranked from all 739 NHTSA complaints — these are the areas to inspect first on a used car.
Owner complaints
NHTSA complaint reports
739 totalThese are consumer-submitted safety complaints filed directly with NHTSA. Each complaint describes a real owner's experience. Complaints flagged as crash-related or fire-related are highlighted.
GAS GAUGE HAS NOT WORKED FOR AT LEAST 5 YEARS EVERY TIME I CALLED THE DEALER THEY SAID NO PROBLEM I THINK IT IS THE FUEL FILTER IN THE FUEL TANK AND TO FIX THAT IT WILL COST ME ABOUT 1000.00 TO FIX. MY SON AND A FRIEND OF MINE HAD THE SAME PROBLEM JUST DIDN'T SEEM WRIGHT CAR ONLY 5 YRS OLD AND THAT GOES WRONG FOR FIVE YRS I JUST FILL MY TANK AND GO ABOUT 250 MILES THEN FILL UP AGAIN. PLEASE TRY TO HELP ME WITH THIS PROBLEM. LIGHTS GO OUT WHEN IT RAINS THIS IS ANOTHER PROBLEM
FUEL GAUGE SHOWS EMPTY NO MATTER HOW MUCH FUEL IS IN THE TANK. *TR
I WAS NOTIFIED A WHILE BACK ABOUT DEFECTIVE AIR BAGS IN 2005 CHEVY TRAILBLAZERS AND I WOULD BE CONTACTED ON WHAT PROCEDURES TO TAKE IN ORDER OF CORRECTING AIR BAG. NO ONE EVER CONTACTED ME, GIVING ME INSTRUCTIONS ON WHERE TO TAKE MY TRAILBLAZER RE: AIRBAG TO HAVE IT CORRECTED. DID I RECEIVE THE NOTIFICATION IN ERROR? THE DATE ABOVE (INCIDENT DATE) IS NOT CORRECT,..COMPLAINT COULD NOT BE SUBMITTED WITHOUT ENTERING A DATE. *TR
AS OF OCTOBER 20,2014 I HAVE YET TO SEE THE 1999 CHEVORLET S_10 LS OR THE 2005 CHEVORLET BLAZER S-T 4X4 MY HUSBAND HAS TESTED BOTH OF THESE IGNITION SWITCHES AND THEY ARE THE SAME. HE THEN CALLED A GM DEALERSHIP AND THEY TOLD HIM TO NOT PUT ANYTHING HEAVY ON THE KEY RING. WE ARE GETTING THE SAME SPILL FROM GM AS EVERYONE ELSE.WHY HASN'T THE S-10'S AND BLAZERS BEEN INSPECTED, THEY HAVE THE SAME IGNITION SWITCH FROM THE 1999 S-10 TO THE 2005 BLAZER 4X4 AND ARE VERY EASY TO KNOCK IN TO ACCESSORY POSITION. BECAUSE THERE HAS BEEN NO INFORMATION PUT OUT ABOUT OUR IGNITION SWITCHES, WE ARE HIGHLY CONCERNED ABOUT THE AIRBAGS AS WELL. WHY HAVE THESE VEHICLES BEEN OVERLOOKED NOT INSPECTED AND SILENCED? NOONE HAS SAID THE S10 OR THE BLAZERS IGNITION SWITCHES ARE SAFE. THERE IS ABSOLUTELY NO QUESTIONS IN OUR MIND THAT THE IGNITION SWITCHES ARE THE SAME AS ALL THE RECALLED VEHICLES AND FAULTY AND POSSIBLY THE AIR BAGS AS WELL. PLEASE,PLEASE LOOK INTO THIS I HAVE A DAUGHTER COMING OF DRIVING AGE AND WE NEED TO KNOW OUR VEHICLES ARE SAFE FOR HER TO EVEN STEP IN. *TR
I WAS RETURNING FROM LAS VEGAS ON A RUFF PAVED DESERT HWY IN MY 2005 5 SPEED 2 DOOR CHEVY BLAZER WHEN I NOTICE A SLIGHT SMELL OF ELECTRICAL SMOKE. I TURNED ON THE DOME LIGHT AND NOTICE THE TURNING SIGNAL SWITCH ARM BOUNCING A LOT WITH SOME SMOKE COMING OUT THERE AT THE COLUMN ! I SLOWED FROM 65 TO 40 WITH MY FLASHERS ON, PROBLEM SOLVED . GOT BACK ON A SMOOTH FREE WAY AT 65 WITH NO SMOKE. THE SWITCH ARM GOT SLOPPIER OVER TIME BUT STILL WORKED FOR ABOUT SIX MONTHS. THEN ONE DAY I TURN RIGHT WITH MY SIGNAL ON, WINDSHIELD WIPERS CAME ON BY THEMSELVES, & THE SMOKE WAS BACK (MUCH STRONGER ) WHILE DRIVING SLOW! I THEN PULLED INTO A AUTO PARTS PARKING LOT, SHUT IT OFF, & TOOK OUT THE KEYS! TO MY SHOCK THE WIPERS, & SMOKE KEPT GOING! I THEN OPENED THE HOOD, UNPLUGGED THE WIPER MOTOR, & AGAIN PROBLEM SOLVED ! THEN CAME A RAINY DAY SO I HAD TO PLUG BACK IN THE WIPERS, THINGS STILL ALL OK! BUT THEN I MADE A RIGHT TURN WITH THE TURN SIGNAL ON! THE EVEN STRONGER SMOKE WAS BACK PLUS MY ASTHMA ATTACK (USED MY INHALER ) ! I THOUGHT ABOUT STOPPING IN THE STRONG RAIN BUT I TURNED ON THE A/C ON FULL THEN GOT VERY MAD ! I YANKED ON THE PLASTIC SWITCH ARM PULLING IT TO THE LEFT, & IT POPPED OFF IN MY HAND! PROBLEM SOLVED EXCEPT NOW MY WINDSHIELD SPRAY, & WIPER DELAY DON'T WORK! I STILL GET SOME SMOKE ON RUFF ROADS! THE WHOLE TURNING SIGNAL WITCH PART COST $599.95 AT CHEVY PLUS $330.00 LABOR ! TO RICH FOR ME! I TOOK THE SMALL COLUMN DASHBOARD PANEL OFF, PUT A KILL SWITCH ON THE WIPER MOTOR POWER WIRE JUST IN CASE, & A LIGHT WEIGHT WOOD 6" CUT OFF STAINED BROOM HANDLE ON THE 4" METAL SWITCH ARM ( DRILLED A 5\16 HOLE 4" DEEP)! I AVOID BAD ROADS, USING TURNING SIGNALS, & I CLEAN MY WINDSHIELD BY HAND OFTEN ! PROBLEM SOLVED FOR NOW! IF THE AIR BAD GOES OFF FROM THIS PROBLEM WHILE DRIVING I WILL PROBABLY HAVE A HEART ATTACK, & DIE! *TR
ABOUT A YEAR AGO I WAS DRIVING TO COLUMBUS, OHIO AND RAN OUT OF GAS WITH THE FUEL GAUGE ON FULL. THIS IS A 2005 BLAZER. WAS A YEAR OUT OF WARRANTY AND THEY WANTED $800 DOLLARS TO TAKE THE FUEL TANK. WAS TOLD BY THE DEALER THIS IS A COMMON PROBLEM, SO WHERE IS THE RECALL. *TR
Read 14 more owner reports
GM 05 TRAILBLAZER FUEL SENDING UNIT NHTSA RECALL CAMPAIGN NUMBER: DP10001 N/A MAKE: CHEVROLET MODEL: TRAILBLAZER MANUFACTURER : GENERAL MOTORS CORP. YEAR : 2005 COMPONENT : FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP DATE INVESTIGATION OPENED : JANUARY 7, 2010 DATE INVESTIGATION CLOSED : OPEN. *TR
I WAS DRIVING DOWN THE ROAD TOOK A RIGHT HAND TURN AND MY DRIVERSIDE BACK SEAT DOOR FLEW OPEN NARROWLY MISSING AN ON COMING WHILE I WAS ON MY WAY TO PICK UP MY 11 YEAR OLD SON. IF MY SON WAS IN THE CAR AND DID NOT HAVE HIS SAFETY BELT ON HE COULD HAVE BEEN THROWN FROM THE VEHICLE AND EVEN IF HE DID HE COULD HAVE BEEN SERIOUSLY HURT OR KILLED IF THE ON COMING CAR HIT THE OPEN DOOR. I REGISTERED A COMPLAINT WITH CHEVY AND IT WAS A REAL JOKE TO THEM. WHAT THEY SAID IS BECAUSE THERE IS NO RECALL THEY WILL DO NOTHING AND THAT I SHOULD TAKE IT TO THE DEALER TO HAVE IT FIXED. I GUESS SOMEONE NEEDS TO BE KILLED BEFORE THEY WILL TAKE AN ACTION. *TR
TL*THE CONTACT OWNS A 2005 CHEVROLET BLAZER. THE CONTACT STATED THAT WHENEVER SHE FILLED THE FUEL TANK, THE FUEL GAUGE INDICATED THAT THE TANK WAS EMPTY AND THE FUEL LIGHT STAYED ON. THE VEHICLE WAS TAKEN TO A REPAIR SHOP WHERE THE CONTACT WAS INFORMED THAT THE FUEL TANK NEEDED TO BE REMOVED AND THE FUEL GAUGE SENSOR NEEDED TO BE REPLACED. THE CONTACT CALLED THE MANUFACTURER WHO INFORMED HER THAT THERE WERE NO RECALLS ON THE VEHICLE. THE CURRENT AND FAILURE MILEAGES WERE 75,396.
2005 CHEVY BLAZER WAS PARKED IN FRONT OF DRIVER'S HOME AND JUST WENT UP IN A BLAZE OF FIRE CONSUMING MOST OF THE VEHICLE. ONLY HAD ABOUT 35K MILES ON IT. THIS WAS A POLICE VEHICLE. *TR
MY 2005 CHEVY TRAILBLAZER HAS A BAD SPEEDOMETER. IT FAILED WITH 20,000 MILES ON IT. IT WILL READ 120 MILE AN HOUR SITTING STILL, THEN IT WILL READ 30 MILE AN HOUR, WHILE I AM GOING 60. IT IS TROUBLING AS TICKETS ARE EXPENSIVE IF I RECEIVE ONE. ON THE INTERSTATE, YOU HAVE NO IDEA HOW FAST YOU ARE GOING. HAS NEVER BEEN IN AN ACCIDENT. GM SAYS $800.00 PLUS TO FIX IT. ONLY HAS 39000 MILES ON IT NOW. THOUSANDS OF THESE HAVE THE SAME PROBLEM. COMPLETELY UNSAFE. THE WHOLE ASSEMBLY HAS TO BE REPLACED TO REPAIR TO FIX IT. *TR
FUEL LEVEL SENSOR QUIT WORKING. *TR
REAR WINDOW HAS SHATTERED 3 TIMES IN LAST 3 MONTHS. *TR
FUEL PUMP PROBLEMS REPEATEDLY, TO FIND OUT THAT THE WIRING HARNESS ON THE FUEL PUMP AT THE GAS TANK WAS SHORTING OUT. *TR
2005 CHEVROLET TRAILBLAZER 4WD 1. CHECK ENGINE LIGHT STAYS ON CONSISTENTLY 2. WHEN DRIVING AT NIGHT THE HEADLIGHTS AND INSTRUMENT LIGHTS WILL DIM AND/OR FLASH ON AND OFF. 3. WHEN STOPPED THE VEHICLE WILL SUDDENLY REV WHICH HAS HAPPENED MANY TIMES AND FORTUNATELY I PRESSED THE BRAKE IN TIME OR I WOULD HAVE REAR ENDED SEVERAL VEHICLES. 4A. THE GAUGES ON MY VEHICLE ARE COMPLETELY HAYWIRE. THE SPEEDOMETER WILL AT TIMES NOT MOVE AT ALL OR GO ALL THE WAY PAST 120 MPH, AT OTHER TIMES IT WILL STICK ON WHATEVER SPEED I MIGHT BE GOING AT THE MOMENT AND NOT MOVE. OTHER TIMES IT WILL STICK AT WHATEVER SPEED I WAS GOING AND THEN PROCEED TO MOVE WHICH MAY SHOW I'M GOING 10, 20 30, .... MILES FASTER THAN THE ACTUAL SPEED I'M TRAVELING. 4B. THE OIL GAUGE HAS GONE ALL THE WAY OVER AND NO LONGER MOVES. THESE ARE ALL VERY DANGEROUS INCIDENTS WHICH SHOULD BE RECALLED
The contact owns a 2026 Chevrolet Blazer. The contact stated that while reversing from the driveway, the automatic emergency braking system erroneously engaged, causing the vehicle to stop abruptly. There was no warming light illuminated. The contact sustained middle back pains as a result; however, the contact had not received medical assistance. The dealer was notified of the failure and advised the contact to bring the vehicle in to determine whether an adjustment was needed. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 7,000.
I am reporting a recurring safety issue with the Forward Collision Alert/Automatic Emergency Braking system on my 2023 Chevrolet Blazer 2LT. The vehicle frequently activates the Forward Collision Alert when there is no vehicle, pedestrian, or other obstruction in front of me. The red collision warning will illuminate and the system will beep even when the roadway is clear. More concerning, on three separate occasions the vehicle has unexpectedly applied the brakes extremely hard while I was driving in traffic despite there being no obstacle or imminent collision. The most recent incident occurred on August 11, 2026. I was making a turn through a busy intersection when the Automatic Emergency Braking system suddenly activated and applied the brakes extremely hard. There was no vehicle, pedestrian, or obstruction in my path that would have required emergency braking. The sudden braking occurred while I was in the intersection and created a serious risk of being struck by surrounding traffic. The braking force was severe enough that my seat belt restrained me very hard and caused an injury to my chest and flew me forward into the steering wheel while also risking the vehicle behind me to almost slam into me. This was not an isolated occurrence. This is the third time the vehicle has unexpectedly applied the brakes hard while I was driving in traffic. In addition to these three braking incidents, I have experienced frequent false Forward Collision Alerts where the red warning and audible alert activate when nothing is in front of the vehicle. I am concerned that the Forward Collision Alert/Automatic Emergency Braking system is malfunctioning and could cause a collision by unexpectedly stopping the vehicle in moving traffic. I am requesting that this recurring safety issue be documented and investigated.
The vehicle’s radiator developed a coolant leak that was discovered and confirmed by the dealership during a routine oil change, tire rotation and state inspection. There were no warning lights, warning messages prior to the dealership discovering the leak. The radiator required replacement. The dealership also told me that they had the replacement radiator on hand because this type of radiator failure had been occurring fairly often with this type of vehicle. The radiator failure presented a potential safety concern because a coolant leak can worsen without warning and result in a sudden loss of coolant, engine overheating, or vehicle breakdown while driving. Because there were no warning lamps or other symptoms before the leak was discovered, we may not have had any indication that the cooling system was failing. The problem was confirmed by the dealership during inspection, and the dealership determined that the radiator was leaking and needed to be replaced. The vehicle/component was inspected by the dealership. No manufacturer, police, or insurance inspection has occurred, to my knowledge. There were no warning lamps, messages, overheating, or other noticeable symptoms prior to the dealership finding the leak. The vehicle is only three years old, with 39000 miles on it at the time of the failure. I am reporting this because a radiator failure at such a young vehicle age, particularly one that develops without any warning to the driver, could potentially create a safety hazard if the coolant loss becomes severe while the vehicle is being operated. I’ve seen many complaints in online forums that this is an ongoing issue with these radiators used by Chevy. It seems the replacement radiators are having the same issues. Why can’t something be done? Dealership information: #1 Cochran Chevrolet Cranberry [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Odometer Fraud. The contact purchased a 2023 Chevrolet Blazer. It was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of the purchase the vehicle mileage was 57,692. It was discovered using the Kelley Blue Book/Experian that in 2022 vehicle was listed for sale with mileage of 57,705, and in 2023 same vehicle was listed with 23 miles.
"I am the owner of a 2023 Chevrolet Blazer RS. The digital odometer and speedometer screen intermittently crashes and goes completely black for 15 to 20 seconds while the vehicle is in motion on public roads. This creates an immediate safety hazard as I am left with zero knowledge of my current speed. General Motors has acknowledged this specific software stability bug under Technical Service Bulletin 22-NA-023 but refuses to fix the issue due to the vehicle being 9 days past its 3-year calendar warranty, despite having only 32,400 miles." I contacted your GM agent @ 800-222-1020 and was told its out of warranty sorry, that is horrible service espeacially for a safety issue and a 55,000 vechicle that only has 32,400 miles
Showing 20 of 739 total NHTSA complaints. Source: NHTSA Complaints Database
Check the exact car
Before you buy, check the exact Chevrolet Blazer
These pages show model-year patterns across 10 years. Enter a VIN to verify the exact vehicle's accident history, title brands, odometer records, and open recall status before purchase.
The basics
How to read this data
Complaints, recalls, investigations — here’s what each number actually tells you about a used Chevrolet Blazer, in plain English.
What is an NHTSA Complaint?
An NHTSA safety complaint is a report filed directly by a vehicle owner or driver describing a safety-related issue. Anyone can submit a complaint at NHTSA.gov. The number of complaints is a signal of how common a problem is — but complaints per model-year matter more than raw totals, since popular vehicles naturally receive more reports. The Chevrolet Blazer has 739 complaints on record across 10 model years.
What is a Safety Recall?
A safety recall is a mandatory campaign issued by NHTSA when a vehicle component poses an unreasonable risk to safety or does not comply with federal motor vehicle safety standards. Unlike complaints (which are owner-reported), recalls are formally investigated and confirmed by regulators. Manufacturers must fix recalled vehicles free of charge. The Chevrolet Blazer has 12 recall campaigns in the NHTSA database.
What Are Crash Complaints?
Crash complaints are NHTSA filings where the owner indicates a crash occurred as part of the incident. 30 of the Chevrolet Blazer's 739 complaints involved a crash. This metric is particularly important because it indicates how often defects resulted in actual collisions — a key safety signal beyond general reliability.
How Is the Reliability Verdict Calculated?
The reliability verdict (Poor) is generated by analyzing the vehicle's total complaints, recall history, crash complaint ratio, fire complaint ratio, and top component failures relative to class averages. This verdict gives buyers a quick interpretation before they review year-level details and VIN-level history. It should be treated as one decision input, not a substitute for a VIN-specific report.
Why Do Newer Years Have Fewer Complaints?
Newer model years appear to have fewer complaints because there has been less time for owners to file them. Complaints accumulate over years of ownership. A 2020 model year vehicle will typically show fewer complaints than a 2015 model year even if it is less reliable — simply because fewer owners have had time to report issues. Focus on complaints per year of market presence when comparing across model years.
Fleet Data vs. Individual VIN
Everything on this page reflects aggregated data across all Chevrolet Blazer vehicles on the road — not any specific car. Two Chevrolet Blazer vehicles of the same year can have very different histories: one may have been in three accidents and have an open recall; another may be clean. A VIN check gives you the individual car's history: accidents, title brands, odometer records, service history, and real-time recall status.
What Are NHTSA Investigations?
When NHTSA receives a pattern of related safety complaints, it opens a formal investigation. A Preliminary Evaluation (PE) is the first stage — NHTSA determines if a safety defect may exist. If evidence is strong, it escalates to an Engineering Analysis (EA), which can result in a mandatory recall. The Chevrolet Blazer has 0 investigations on record (0 active). Investigations listed above may have already led to the recalls shown on this page.
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How does the Chevrolet Blazer stack up? Compare complaint history with similar vehicles.
By state
Check a Chevrolet Blazer by state
Title-branding rules, flood-damage exposure, and salvage laws vary by state. Run a free VIN check or explore state-specific vehicle history guidance before buying a used Chevrolet Blazer.
Research more
Keep researching before you buy
Compare brands and categories, then check the exact car's history by VIN.
Chevrolet Blazer reliability — frequently asked questions
Is the Chevrolet Blazer reliable?
Poor. The Chevrolet Blazer has 739 NHTSA owner complaints and 12 recall campaigns across model years. A commonly reported issue area is ELECTRICAL SYSTEM. Use year-level data as a pattern guide, then verify the exact car with a VIN check before purchase.
Which Chevrolet Blazer years to avoid?
Years with the most NHTSA complaints: 2004 (50 complaints), 2005 (15 complaints). Use these years as a shortlist for deeper inspection, and always run a VIN check on the exact vehicle before purchase.
What are the most common Chevrolet Blazer problems?
Top reported issues: ELECTRICAL SYSTEM (214 complaints); POWER TRAIN (181 complaints); ENGINE (176 complaints).
Does the Chevrolet Blazer have recalls?
Yes — 12 NHTSA recall campaigns have been issued for the Chevrolet Blazer. Check nhtsa.gov/recalls or run a VIN check to see if your specific vehicle has open recalls.