FaultScore

2008 Chevrolet Trailblazer engine problems

33 of the 263 complaints about the 2008 Chevrolet Trailblazer are about the engine — 13% of everything reported for this model year. Half of the failures with a mileage on record happened before 77,000 miles.

B

33

Complaints

0

Crashes

1

Fires

0

Injuries

Exactly what failed

Engine 21 63.6%
Exhaust System 6 18.2%
Engine AND Engine Cooling 4 12.1%
Engine 1 3.0%
Manifold/Header/Muffler/Tail Pipe 1 3.0%

Engine & Cooling across every Chevrolet Trailblazer year

2002 162 27.9%
2003 81 13.9%
2004 56 9.6%
2005 75 12.9%
2006 67 11.5%
2007 34 5.9%
2008 33 5.7%
2021 38 6.5%
2022 18 3.1%
2023 17 2.9%

What owners said

Filed with NHTSA, in their own words.

Aurora, CO

ENGINE

I was driving on the highway just reaching 55 mph, that is when all of a sudden, my suv stalled out with no warning no sound nothing. I tried to restart it and sounded as if it was trying to start but wouldn't. after a couple of times of trying that is when a tow truck came and as he was putting my suv on the flat bed I noticed huge amount oil on the ground. I got it towed to Chevy dealership for service and that is when they told me that the 6th cylinder cracked also a rod went through causing a hole in the engine block. I asked what could have caused it, because I'm on top of my maintenance and my suv only had 94,000 miles on it. That is when he explained to me that it was nothing that I did and that there was nothing that I could've done to prevent it and that there was nothing I did wrong that caused it. So, the leaves me asking, isn't that a manufacturing issue?

NHTSA complaint #11470303 — an unverified report by a vehicle owner.

at 128,000 miles Lake City, FL

ENGINE

THE EXHAUST MANIFOLD IN MY 2008 CHEVY TRAILBLAZER HAS BROKEN NOW THREE TIMES. THE CHEVY DEALER HAS CHANGED THE MANIFOLD TWICE FOR FREE BUT NOW THEY NO LONGER WANT TO PAY FOR IT PLUS I ASKED IF THEY HAVE MADE A CHANGE TO THE CAST IRON MANIFOLD AND THEY TELL ME THE PART NUMBER CHANGED IN 2011 BUT MY FAILURES HAVE OCCURRED SINCE THEN SO I KNOW THE REPLACEMENT MANIFOLD I WILL HAVE THE SAME PROBLEM. EXHAUST FUMES IN WINTER ENTER THE CABIN.

NHTSA complaint #11397464 — an unverified report by a vehicle owner.

at 143,339 miles Casa Grande, AZ

ENGINE

ENGINE DIES WHILE DRIVING (LOSING PROPULSION, STEERING, BRAKES, ETC.) AND THE KEY WILL NOT RESTART WHEN TURNED FORWARD (IN NEUTRAL), WHILE COASTING, BUT WILL RESTART WHEN THE KEY IS TURNED BACK AND THEN FORWARD AGAIN. IN THIS CASE, COASTING DOWN AND BRAKING AND TURNING RIGHT, POSSIBLY WITH RIGHT TURN SIGNAL ON. DIED RIGHT BEFORE STARTING TO TURN THE STEERING WHEEL AT ABOUT 15-20 MPH. IT WAS A CLEAR DRY 100 DEGREE AFTERNOON, ON SMOOTH PAVEMENT. WE LIVE ON A BUMPY DIRT ROAD THAT IS JUST OVER A QUARTER OF A MILE LONG TO REACH OUR HOUSE. SIMILAR TO OTHER GM IGNITION KEY / NO AIR BAG RECALL PROGRAMS FOR SIMILAR MODEL YEAR VEHICLES, SUCH AS THE HHR. THERE IS NO RECALL, BUT HOW MANY PEOPLE DOES THIS HAPPEN TO? ANY DEATHS, YET? I DON'T BELIEVE THE AIR BAGS MAY HAVE WORKED, SHOULD WE HAVE BEEN INVOLVED IN AN ACCIDENT. THERE WAS NO INFORMATION SHOWN IN THE DIVER INFORMATION CENTER DISPLAY (DIC) AND THERE WERE WARNING LIGHTS ON IN THE DASHBOARD, TO INDICATE THAT THE POWER WAS ON TO THE INSTRUMENT CLUSTER (IC), BUT THAT THE MOTOR WAS OFF. I COULD NOT SELECT BRAKES AND STEERING AS BEING AFFECTED, BUT WITH NO MOTOR, THERE IS NO VACUUM BRAKE BOOSTING GOING ON, AND NO POWER STEERING EITHER.

NHTSA complaint #11124643 — an unverified report by a vehicle owner.

at 111,567 miles Tyler, TX

ENGINE

NUMEROUS TIMES I HAVE DRIVEN THIS VEHICLE AND IT CONTINUES TO DO THE SAME THING WHEN I REACH SPEEDS OF ABOUT 35 TO 40 MPH IT LOSES POWER, THE TACH. EVEN DECLINES IN IT'S READING. IT'S LIKE SOMEONE IS BEHIND ME WITH A ROPE, AND STEPPING ON THEIR BRAKES, SLOWING ME DOWN. THIS HAPPENS WHEN I'M GOING STRAIGHT DOWN A STREET, MAKING NO TURNS, AND LET IT BASICALLY IDLE ROLL DOWN THE STREET. ALL THE WHILE, IT IS IN GEAR, ENGINE RUNNING, AND IN MOTION ON A CITY STREET

NHTSA complaint #11051403 — an unverified report by a vehicle owner.

at 120,000 miles Alexander, AR

ENGINE

I HAVE HAD MY 2008 TRAILBLAER FOR A YEAR NOW. I HAVE BEEN HAVING MAJOR ELECTRICAL ISSUES FOR THE PAST FEW MONTHS INCLUDING MY BATTERY LIGHT AND OTHER POPPING UP RAMDONLY AND MY TRUCK NOT WANTING TO DRIVE OR RUN RIGHT. NOW MY EXHAUST MANIFOLD IS COMPLETELY CRACKED THRU,

NHTSA complaint #10925060 — an unverified report by a vehicle owner.

at 28,000 miles West Land, MI

ENGINE

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. WHILE DRIVING 15 MPH AND MAKING A LEFT TURN, THE ENGINE STALLED AND THE CHECK ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE IGNITION SWITCH FAILED AND NEEDED TO REPLACED. THE VEHICLE WAS REPAIRED TWICE; HOWEVER, THE FAILURE WAS PERSISTENT. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 28,000.

NHTSA complaint #10861233 — an unverified report by a vehicle owner.

Home, PA

ENGINE

HAD EXHAUST MANIFOLD REPLACED AT LOCAL GM DEALER UNDER WARRENTY IN 6/26/13 NOW HAVE SAME PROBLUM EXHAUST MANIFOLD MAKING LOUD NOISE. HAD 80112 MILES WHEN FIRST DONE NOW WHEN HAPPENED WAS2/22/16 THE MILES WERE 109482, WITCH IS ONLY 29370 MILES WHAT ARE MY OPTIONS THIS SHOULD BE FIXED AGAIN BY THEM.

NHTSA complaint #10839869 — an unverified report by a vehicle owner.

at 160,000 miles Sulphur, IN

ENGINE

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 10 MPH, THE VEHICLE DECELERATED INDEPENDENTLY AND THE REDUCE ENGINE POWER WARNING LIGHT ILLUMINATED. THE VEHICLE WAS RESTARTED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE THROTTLE BODY NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 160,000.

NHTSA complaint #10836665 — an unverified report by a vehicle owner.

at 80,000 miles MT Arlington, NJ

ENGINE

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING, THE CHECK ENGINE WARNING LIGHT ILLUMINATED PERSISTENTLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE EXHAUST CAM POSITION SOLENOID FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED SEVERAL TIMES BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 80,000.

NHTSA complaint #10819984 — an unverified report by a vehicle owner.

at 85,026 miles Niagara Falls, NY

ENGINE

EXHAUST MANIFOLD IS CRACKED,GM KNOWS THERE ARE ISSUES WITH THESE BUT YET WONT FIX IT

NHTSA complaint #10725187 — an unverified report by a vehicle owner.

at 153,000 miles Jacksonville, FL

ENGINE

EXHAUST MANIFOLD CRACKED AND HAD TO BE REPLACED.

NHTSA complaint #10723723 — an unverified report by a vehicle owner.

at 79,000 miles Walkerton, IN

ENGINE

PURCHASED THIS VEHICLE FROM A DEALER. THE NEXT DAY THE TRUCK WAS DEAD. IT HAS SINCE HAD THE BATTERY REPLACED 3 TIMES. THE EXHAUST MANIFOLD CRACKED AT 82,000. THE NUMBER 4 POSITION ON THE BLOWER DOES NOT WORK. THE STABILTRAK LIGHTS COME ON FOR NO REASON AND GO OFF FOR NO REASON. WITH ALL OF THE COMPLAINTS, SOMETHING SHOULD BE DONE.

NHTSA complaint #10705981 — an unverified report by a vehicle owner.

at 143,000 miles Davison, MI

ENGINE

WAS DRIVING AND SUDDENLY THE EXHAUST GOT REAL LOUD. TOOK IT TO REPAIR FACILITY AND THEY SAID THAT THE EXHAUST MANIFOLD HAD CRACKED. GM KNOWS THIS IS A BAD PART , AND A SAFETY PART, BUT THEY ONLY ADVANCED THE WARRANTY 20,000 MILES. I HAVE NEVER HAD AN EXHAUST MANIFOLD CRACK ON ANY VEHICLE, BESIDES ONE THAT IS 6 YEARS OLD.

NHTSA complaint #10667764 — an unverified report by a vehicle owner.

at 50,000 miles Bryan, OH

ENGINE

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. WHILE DRIVING 55 MPH, THE VEHICLE BEGAN TO SHAKE VIOLENTLY AND STARTED TO SMOKE. THE VEHICLE WAS MERGED TO THE SIDE OF THE ROAD AND WAS UNABLE TO BE STARTED. THE VEHICLE WAS TOWED TO THE DEALER. THE TECHNICIAN DIAGNOSED THAT THE ENGINE HAD TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 50,000. UPDATED 2/9/15*CN THE CONSUMER STATED A ROD BURST THROUGH THE OIL PAN AT 50,000. THE VEHICLE NEEDED THE ENGINE TO BE REPLACED. UPDATED 10/6/2015

NHTSA complaint #10655037 — an unverified report by a vehicle owner.

at 72,000 miles Parachute, CO

ENGINE

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE GOING DOWNHILL AT 35 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS ABLE TO RESTART. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING, HOWEVER THEY COULD NOT DUPLICATE THE FAILURE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 72,000.

NHTSA complaint #10639398 — an unverified report by a vehicle owner.

at 55,000 miles Carnegie, PA

ENGINE

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED WHILE DRIVING 35 MPH, THE ENGINE STALLED AND ALL OF THE WARNING INDICATORS WERE ILLUMINATED. THE CONTACT WAS UNABLE TO RESTART THE VEHICLE. THE VEHICLE WAS TOWED TO A DEALER WHO RECOMMENDED THE REPLACEMENT OF THE IGNITION SWITCH. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 55,000.

NHTSA complaint #10620919 — an unverified report by a vehicle owner.

at 121,700 miles Mckee, KY

ENGINE

STARTED VEC. IN THE MORNING. EXHAUST VERY LOUD. CHECKED EXHAUST SYSTEM FOUND MANIFOLD CRACKED. GOT ON ON STAR ACCT...STATED EXTENDED COVERAGE HAD EXPIRED. FOUND OUT SPECIAL COVERAGE GM BULL. #11150. CONTACTED DEALER. STATED NOT COVERED DUE TO OUT OF MILEAGE RANGE OF 120000 LIMIT. SAID TO TAKE TO SERV. MGR AND SAID OUT OF HIS HANDS. CONTACTED GM AND NOW THEY ARE WORKING WITH ME TO HELP RESOLVE ISSUE. TOLD GM I HAVE NEVER RECV. ANY INFO ABOUT THIS PROBLEM WHEN I BOUGHT THIS TRAILBLAZER. WILL FUMES ENTER PASS. AREA. DON'T KNOW AT THIS POINT. SAFETY ISSUE...YES, RECALL ISSUE...YES, DESIGN ISSUE...YES.

NHTSA complaint #10592414 — an unverified report by a vehicle owner.

at 60,000 miles Bordentown, NJ

ENGINE AND ENGINE COOLING

HAD TO REPLACE THE EXHAUST MANIFOLD DUE TO CRACK.

NHTSA complaint #10588053 — an unverified report by a vehicle owner.

at 110,000 miles Orange Park, FL Fire

ENGINE

WHILE SITTING THE PARKED VEHICLE, WITH THE KEY IN IGNITION IN THE ON POSITION BUT ENGINE OFF THE DASH BEGAN TO POUR SMOKE INTO THE VEHICLE. UPON INSPECTING UNDER THE HOOD THERE WERE BURNED AND MELTED WIRES LEADING TO FUSE BOX. ELECTRICAL FIRE OCCURRED.

NHTSA complaint #10584128 — an unverified report by a vehicle owner.

at 74,000 miles Corpus Christi, TX

ENGINE

SEEMS TO BE A LOT OF OTHERS WITH THIS PROBLEM. GM SHOULD CONSIDER A RECALL. PEOPLE DON'T HAVE &500-$600 LAYING AROUND. AND THERE ARE MANY WITH SAME YEAR MAKE AND AROUND SAME MILEAGE WITH THIS PROBLEM.

NHTSA complaint #10534516 — an unverified report by a vehicle owner.

at 75,000 miles Lansing, MI

ENGINE

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT AFTER ENGINE STARTUP, THE EXHAUST BECAME ABNORMALLY LOUD. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHO CONFIRMED THAT THE EXHAUST MANIFOLD WAS CRACKED AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 75,000 AND THE CURRENT MILEAGE WAS 76,000.

NHTSA complaint #10478136 — an unverified report by a vehicle owner.

Charlotte, MI

ENGINE AND ENGINE COOLING

2008 CHEVROLET TRAILBLAZER FAILURE TO START AFTER A FAILURE IN ENGINE RUN DURING ENTRY TO HIGHWAY.

NHTSA complaint #10477601 — an unverified report by a vehicle owner.

at 93,000 miles Lebanon, MO

ENGINE

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE STARTING THE VEHICLE, THE INTAKE MANIFOLD CRACKED. THE CONTACT DID NOT TAKE THE VEHICLE TO A DEALER OR A MECHANIC FOR INSPECTION OR REPAIRS. THE CONTACT DID NOT CALL THE MANUFACTURER. THE FAILURE MILEAGE WAS 93,000.

NHTSA complaint #10470826 — an unverified report by a vehicle owner.

at 58,000 miles Pittsburgh, PA

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

THE EXHAUST MANIFOLD HAS CRACKED WITH ONLY 58,000 MILES. * JS

NHTSA complaint #10455621 — an unverified report by a vehicle owner.

Cocoa, FL

ENGINE AND ENGINE COOLING

ENGINE LIGHT ILLUMINATED WITH ERROR CODE P0449(EVAPORATIVE EMMISION SYSTEM VENT/VALVE SOLENOID CIRCUIT.

NHTSA complaint #10443952 — an unverified report by a vehicle owner.

at 55,000 miles Chesterland, OH

ENGINE AND ENGINE COOLING

WITH ONLY 55,000 MILES, THE EXHAUST MANIFOLD CRACKED. SEEING ALL OF THE COMPLAINTS ONLINE AND TALKING TO MY MECHANIC, THIS SEEMS TO BE A DEFAULT PART. CHEVY SHOULD BE RECALLING THESE. MY MECHANIC HAD TO ORDER THE PART THROUGH THE DEALER AND THEY HAD THE REPLACEMENT MANIFOLD IN STOCK. EXHAUST MANIFOLDS ARE NOT NORMALLY STOCK ITEMS UNLESS THERE IS A REAL HIGH NEED TO REPLACE THEM.......

NHTSA complaint #10441026 — an unverified report by a vehicle owner.

at 89,101 miles Rogers, AR

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

2008 TRAILBLAZER WITH A CRACKED EXHAUST MANIFOLD.

NHTSA complaint #10411546 — an unverified report by a vehicle owner.

at 62,000 miles Holt, FL

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

2008 CHEVY TRAILBLAZER CRACKED EXHAUST MANIFOLD AT 62,000 MILES QUOTED THAT THE REPAIR WOULD BE $600-700. AFTER DOING RESEARCH THERE ARE MANY OCCURRENCES OF THIS PROBLEM WHEN WILL THERE BE A RECALL ON THIS BAD MANIFOLD???

NHTSA complaint #10405355 — an unverified report by a vehicle owner.

at 63,000 miles Mesa, AZ

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

2008 CHEVROLET TRAILBLAZER LS WITH 63,000 MILES DEVELOPED A CRACKED EXHAUST MANIFOLD. I HAVE READ SEVERAL SIMILAR INCIDENTS ONLINE. GM SHOULD LOOK INTO A RECALL.

NHTSA complaint #10363959 — an unverified report by a vehicle owner.

at 56,000 miles Baytown, TX

ENGINE AND ENGINE COOLING:ENGINE

THE GM LS2 ENGINE INSTALLED IN THE TRAILBLAZER SS MODELS HAS A KNOWN OILING ISSUE WHICH CAUSES THE ENGINE TO BE STARVED FOR OIL AND THUS, SPINS A ROD BEARING. BEING THAT THE TRAILBLAZER SS IS A LIMITED PRODUCTION VEHICLE, GM HASN'T LIFTED A FINGER TO RECALL OR REPAIR THIS DESIGN FLAW. THE PROBLEM ONLY EXISTS IN THE TRAILBLAZER SS (NOT CORVETTE OR GTO TO MY KNOWLEDGE) DUE TO A PROBLEM WITH THE OIL PAN.

NHTSA complaint #10364025 — an unverified report by a vehicle owner.

Other 2008 Chevrolet Trailblazer problems

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