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2004 Chevrolet Trailblazer Ext

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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When problems were reported

Mileage at the reported incident

216 reports with mileage · 45 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 145 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 29 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

6 crash reports3 fire reports6 injury reports

Engine And Engine Cooling complaints

16 reports
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146,000 miles · Mar 7, 2012
Electrical SystemEngine And Engine CoolingPower Train

CAR FELT "STUCK" IN GEAR, WOULDN'T ACCELERATE, LOW ON TRANSMISSION FLUID. ADDED MORE FLUID, REPLACED SPEED SENSOR, CAMSHAFT & CRANKSHAFT SENSORS. STILL HAVING ISSUES WITH RPMS GOING HIGH, CAR SLAMMING FROM ONE GEAR INTO ANOTHER. ALSO CANNOT RUN HEAT WHILE DRIVING, FAN DRAWS POWER & CAUSES ENGINE TO STALL OUT. CAR ALSO BURNING TH…

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CAR FELT "STUCK" IN GEAR, WOULDN'T ACCELERATE, LOW ON TRANSMISSION FLUID. ADDED MORE FLUID, REPLACED SPEED SENSOR, CAMSHAFT & CRANKSHAFT SENSORS. STILL HAVING ISSUES WITH RPMS GOING HIGH, CAR SLAMMING FROM ONE GEAR INTO ANOTHER. ALSO CANNOT RUN HEAT WHILE DRIVING, FAN DRAWS POWER & CAUSES ENGINE TO STALL OUT. CAR ALSO BURNING THROUGH GAS VERY QUICKLY. *TR

NHTSA ODI #10450579

75,000 miles · Aug 13, 2011
Electrical SystemEngine And Engine CoolingFire

THIS VEHICLE HAD BEEN PARKED IN THE DRIVEWAY FROM 7:45 PM, (AUGUST 10, 2011). I WAS AWAKENED AT APPROX. 3:55 AM ON 8-10-2011 BY HEARING A MUFFLED BOOM. AT 4:00 AM (AUG. 11, 2011) I HEARD A LOUD BANG TYPE NOISE. I IMMEDIATELY GOT UP AND WENT TO INVESTIGATE. I WENT OUTSIDE AND FOUND MY 2004 TRAILBLAZER (EXT) ON FIRE FROM TH…

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THIS VEHICLE HAD BEEN PARKED IN THE DRIVEWAY FROM 7:45 PM, (AUGUST 10, 2011). I WAS AWAKENED AT APPROX. 3:55 AM ON 8-10-2011 BY HEARING A MUFFLED BOOM. AT 4:00 AM (AUG. 11, 2011) I HEARD A LOUD BANG TYPE NOISE. I IMMEDIATELY GOT UP AND WENT TO INVESTIGATE. I WENT OUTSIDE AND FOUND MY 2004 TRAILBLAZER (EXT) ON FIRE FROM THE ENGINE BAY AND JUST BEGINNING TO FLAME INSIDE THE VEHICLE'S PASSENGER COMPARTMENT AT THE DASHBOARD..IT ONLY TOOK MINUTES BEFORE THE VEHICLE WAS FULLY INVOLVED. THE FIRE BEGAN IN THE ENGINE BAY. THE FIRE MARSHALL REPORT IS STILL PENDING AND I WAS INFORMED IT WOULD TAKE 6 TO 8 WEEKS BEFORE IT WAS AVAILABLE. APPROX. TWO TO THREE MONTHS PRIOR, I TOOK THE VEHICLE TO A REPAIR GARAGE TO FIX THE LOW BEAM HEADLIGHTS (THEY HAD FAILED AND CHANGING THE BULBS WAS NO HELP. IT TURNED OUT THAT IT WAS A FAILED RELAY, WHICH WAS REPLACED. IT WAS A COUPLE OF WEEKS LATER THAT I HAD TO REPLACE THE VEHICLE'S BATTERY AS IT HAD GONE DEAD AND WOULD NOT TAKE A CHARGE. THE OLD BATTERY WAS ABOUT THREE YEARS OLD. THERE WERE NO OTHER BATTERY/HEADLIGHT ISSUES AFTER THESE REPAIRS. NO TOOLS OR OTHER PARTS WERE DROPPED INTO THE ENGINE BAY, OR LEFT IN THE BAY. I WAS AN AIRCRAFT MECHANIC AND OLD HABITS OF KEEPING RACK OF MY TOOLS NEVER DIE AND ALL TOOLS USED WERE ACCOUNTED FOR. THE ROADS WERE DRY WHERE IT WAS DRIVEN THERE WAS NO RAIN AT THE HOUSE ALL NIGHT. I REPORTED THIS TO CHEVROLET THAT DAY. AS A RESULT OF THE FIRE, THE EAVES OF THE HOUSE OVER THE GARAGE CAUGHT FIRE, MY WIFE, SON AND MYSELF HAD MINOR CARBON MONOXIDE POISONING, MY WORK TRUCK WAS DAMAGED BY THE HEAT OF THE FIRE, SO I CANNOT WORK (SELF EMPLOYED) UNTIL I GET A REPLACEMENT (NO RENTAL COMPANY WILL LET ME USE A TRUCK TO WORK FROM AS I NEED TO CARRY LARGE QUANTITIES OF CHLORINE IN MY PRESSURE CLEANING BUSINESS. THERE HAVE BEEN NO OTHER PROBLEMS OF THIS KIND BEFORE WITH THIS VEHICLE. *TR

NHTSA ODI #10419294

120,000 miles · Jul 25, 2011
Engine And Engine Cooling

THE EXT. MANIFOLD ON MY 2004 TRL BLAZER HAS A LEAK IN THE MAIFOLD BODY. THE VEHICLE HAS APPROX. 120000 MILES ON IT. THIS SHOULD BE A RECALL ITEM FOR MANUFACTURING DEFECT, BUT GM HAS NOT AS OF YET, ISSUED A RECALL. IT IS A COSTLY REPAIR, AS WELL AS A SAFETY CONCERN, GIVEN THAT THE EXHAUST FUMES CAN ENTER THE PASSENGER COMPARTMENT…

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THE EXT. MANIFOLD ON MY 2004 TRL BLAZER HAS A LEAK IN THE MAIFOLD BODY. THE VEHICLE HAS APPROX. 120000 MILES ON IT. THIS SHOULD BE A RECALL ITEM FOR MANUFACTURING DEFECT, BUT GM HAS NOT AS OF YET, ISSUED A RECALL. IT IS A COSTLY REPAIR, AS WELL AS A SAFETY CONCERN, GIVEN THAT THE EXHAUST FUMES CAN ENTER THE PASSENGER COMPARTMENT OF THE VEHICLE. I HAVE OWNED MANY GM VEHICLES OVERTIME, AND NEVER SEEN THIS BEFORE. *TR

NHTSA ODI #10415012

98,000 miles · Mar 30, 2011
Engine And Engine CoolingFuel System, Gasoline

NOT SURE WHAT TO FILE THIS UNDER, SO I PUT IT UNDER UNKNOWN AND OTHER. ABOUT 4 MONTHS AGO MY SERVICE ENGINE SOON LIGHT CAME ON. IT STAYED ON FOR A FEW DAYS THEN WENT OFF, A FEW DAYS LATER IT WAS BACK ON, THEN A FEW DAYS LATER WENT OFF, THEN IT CAME ON FOR A LONGER PERIOD OF TIME AND DO THE SAME THING, EVENTUALLY IT STAYED ON. …

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NOT SURE WHAT TO FILE THIS UNDER, SO I PUT IT UNDER UNKNOWN AND OTHER. ABOUT 4 MONTHS AGO MY SERVICE ENGINE SOON LIGHT CAME ON. IT STAYED ON FOR A FEW DAYS THEN WENT OFF, A FEW DAYS LATER IT WAS BACK ON, THEN A FEW DAYS LATER WENT OFF, THEN IT CAME ON FOR A LONGER PERIOD OF TIME AND DO THE SAME THING, EVENTUALLY IT STAYED ON. TOOK IT TO THE CHEVY DEALERSHIP WHERE I BOUGHT IT AND THEY SAID THE GAS TANK HAD A CRACK IN IT AND NEEDED TO BE REPLACED. SAID IT WAS PROBABLY FROM THE GAS NOZZLE HITTING THE TANK WHEN FILLING IT UP. DON'T SEE HOW THAT IS POSSIBLE, WHEN IT IS ONLY ME OR MY HUSBAND FILLING IT UP & HOW HARD WOULD YOU HAVE TO HIT IT FOR IT TO CRACK? HAD IT REPLACED THE NEXT MONTH. NOW THE SERVICE ENGINE SOON LIGHT IS DOING THE SAME THING. HAVEN'T TAKEN IT BACK IN YET. *TR

NHTSA ODI #10393761

120,000 miles · Sep 9, 2010
Electrical SystemEngine And Engine Cooling

CHECK ENGINE LIGHT - FOR OVER ONE YEAR NOW, AND 4 VARIOUS MECHANICS, NO ONCE CAN FIGURE OUT WHY MY CHECK ENGINE LIGHT COMES ON. I HAVE REPLACED TWO AIR SENSORS (ACTUALLY 3 - ONE WAS BAD)... I HAVE SPENT CLOSE TO $1,000 TO GET THIS FIXED - BUT THE DAM LIGHT CONTINUES TO GO ON (INTERMITTENTLY) SOMETIMES IT'S ON FOR A MONTH - OFF …

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CHECK ENGINE LIGHT - FOR OVER ONE YEAR NOW, AND 4 VARIOUS MECHANICS, NO ONCE CAN FIGURE OUT WHY MY CHECK ENGINE LIGHT COMES ON. I HAVE REPLACED TWO AIR SENSORS (ACTUALLY 3 - ONE WAS BAD)... I HAVE SPENT CLOSE TO $1,000 TO GET THIS FIXED - BUT THE DAM LIGHT CONTINUES TO GO ON (INTERMITTENTLY) SOMETIMES IT'S ON FOR A MONTH - OFF A DAY - ON TWO WEEKS - THERE IS NO PATTERN. THE LAST TIME THE LIGHT CAME ON, MY CAR BEGAN STALLING IN TRAFFIC AND STOP SIGNS. LAST MECHANIC SPENT 5 HOURS TRACING ALL THE CODES BACK - NOTHING. NEXT DAY HAD ANOTHER MECHANIC CHECK CODES AND THE ENGINE RUNNING COOL AS WELL AS A FEW OTHERS SHOWED UP. IF NO ONE CAN FIGURE THIS OUT - WHERE IS THE RECOURSE. I FEEL LIKE I AM BEING SCAMMED OVER AND OVER. I STALLED ON RT. 24 SLOWING DOWN IN TRAFFIC - AND WAS ALMOST HIT BY A BOX TRUCK BECAUSE I JUST SAT THERE. WHO CAN HELP DIRECT ME TO A REPAIR WHICH WILL ULTIMATELY END THIS ISSUE? NOW, THE LIGHTS OFF THIS WEEK (WATCH, NOW THAT I SAY THIS IT WILL COME BACK ON). THE ONLY THING I NOTICE IS THAT MANY TIMES THE LIGHT TURNED OFF AFTER I FILLED THE TANK. SO, IS THERE ANYONE OUT THERE WHO KNOWS WHAT'S WRONG (REFERRING TO MECHANICS WHO TAKE US FOR A RIDE $$$)? I CHALLENGE ANYONE OUT THERE TO FIGURE THIS OUT. *TR

NHTSA ODI #10354710

Mileage unknown · Sep 6, 2010
Engine And Engine Cooling

I OWN A 2004 TRAILBLAZER EXT WITH THE I6 AND I'VE BEEN GETTING STRONG SMELLS OF EXHAUST FUMES INSIDE THE VEHICLE DO TO A FAULTY EXHAUST MANIFOLD THAT IS CRACKED. IT SEEMS THAT IT HAPPENS TO 90 PERCENT OF THE TRAILBLAZERS WITH THE I6 MOTOR. COME TO FIND OUT THAT THE EXHAUST MANIFOLD IS ON NATIONAL BACK ORDER WHICH TELLS ME THAT G…

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I OWN A 2004 TRAILBLAZER EXT WITH THE I6 AND I'VE BEEN GETTING STRONG SMELLS OF EXHAUST FUMES INSIDE THE VEHICLE DO TO A FAULTY EXHAUST MANIFOLD THAT IS CRACKED. IT SEEMS THAT IT HAPPENS TO 90 PERCENT OF THE TRAILBLAZERS WITH THE I6 MOTOR. COME TO FIND OUT THAT THE EXHAUST MANIFOLD IS ON NATIONAL BACK ORDER WHICH TELLS ME THAT GM SHOULD DO SOMETHING ABOUT THIS SEEING THAT IT'S HARD TO DRIVE AROUND WITH THE WINDOWS UP AND THE HEAT ON. NOT ONLY IS IT A SAFETY HAZARD BUT IT'S ALSO AN EMISSION ISSUE. *TR

NHTSA ODI #10354042

62,321 miles · Jan 5, 2010
Electrical SystemEngine And Engine Cooling

I OWN A 2004 CHEVROLET TRAILBLAZER EXT. TOOK THE VEHICLE IN OCTOBER 2009 FOR A OIL CHANGE & A EXHAUST LEAK WAS TOLD THE EXHAUST MANIFOLD NEEDED TO BE REPLACED, AFTER SEARCHING ON THE INTERNET FOUND OUT IT IS A KNOWN PROBLEM THAT GM WHEN MANUFACTURING THE VEHICLE USED BOLTS THAT WERE TO LONG THEREFORE THE EXHAUST MANIFOLD WASN'T…

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I OWN A 2004 CHEVROLET TRAILBLAZER EXT. TOOK THE VEHICLE IN OCTOBER 2009 FOR A OIL CHANGE & A EXHAUST LEAK WAS TOLD THE EXHAUST MANIFOLD NEEDED TO BE REPLACED, AFTER SEARCHING ON THE INTERNET FOUND OUT IT IS A KNOWN PROBLEM THAT GM WHEN MANUFACTURING THE VEHICLE USED BOLTS THAT WERE TO LONG THEREFORE THE EXHAUST MANIFOLD WASN'T PROPERLY TORQUE/TIGHTENED WHICH MADE THE MANIFOLD VIBRATE UNTIL IT BROKE AND PRIOR TO ITS BREAKING IT LEAKED THE MANIFOLD BECOMES LOOSE AND THAT LEADS TO IT CRACKING. AFTER HAVING THE VEHICLE REPAIRED AT THE COST OF $319.50 & HAVING IT BACK FOR A MONTH & DRIVING IT 3 TIMES MY SPEEDOMETER WENT HAYWIRE REGISTERING A SITTING STILL SPEED OF 45 MPH. ONCE AGAIN LOOKED ON THE INTERNET AND FOUND NUMEROUS COMPLAINTS ABOUT THE INSTRUMENT PANEL CLUSTER THEY HAVE ISSUED RECALLS FOR THE CHEVY TRUCKS AND YUKON GMC FOR THE SAME ISSUE BUT NO RECALL SO FAR ABOUT THE TRAILBLAZER. THIS REPAIR WILL COST ME $516.33, BOTH OF THESE REPAIRS ARE DUE TO FAULTY MANUFACTURING & SHOULD BE LISTED AS A RECALL. I JUST HOPE THAT NONE OF THE OTHER ISSUES I HAVE READ ABOUT BECOMES A CONCERN FOR ME. *TR

NHTSA ODI #10298357

62,321 miles · Jan 5, 2010
Electrical SystemEngine And Engine Cooling

I OWN A 2004 CHEVROLET TRAILBLAZER EXT. TOOK THE VEHICLE IN OCTOBER 2009 FOR A OIL CHANGE & A EXHAUST LEAK WAS TOLD THE EXHAUST MANIFOLD NEEDED TO BE REPLACED, AFTER SEARCHING ON THE INTERNET FOUND OUT IT IS A KNOWN PROBLEM THAT GM WHEN MANUFACTURING THE VEHICLE USED BOLTS THAT WERE TO LONG MAKING THE MANIFOLD GET TO HOT AND THE…

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I OWN A 2004 CHEVROLET TRAILBLAZER EXT. TOOK THE VEHICLE IN OCTOBER 2009 FOR A OIL CHANGE & A EXHAUST LEAK WAS TOLD THE EXHAUST MANIFOLD NEEDED TO BE REPLACED, AFTER SEARCHING ON THE INTERNET FOUND OUT IT IS A KNOWN PROBLEM THAT GM WHEN MANUFACTURING THE VEHICLE USED BOLTS THAT WERE TO LONG MAKING THE MANIFOLD GET TO HOT AND THEREFORE LEADS TO IT CRACKING. AFTER HAVING THE VEHICLE REPAIRED AT THE COST OF $319.50 & HAVING IT BACK FOR A MONTH & DRIVING IT 3 TIMES MY SPEEDOMETER WENT HAYWIRE REGISTERING A SITTING STILL SPEED OF 45 MPH. ONCE AGAIN LOOKED ON THE INTERNET AND FOUND NUMEROUS COMPLAINTS ABOUT THE INSTRUMENT PANEL CLUSTER THEY HAVE ISSUED RECALLS FOR THE CHEVY TRUCKS AND YUKON GMC FOR THE SAME ISSUE BUT NO RECALL SO FAR ABOUT THE TRAILBLAZER. THIS REPAIR WILL COST ME $516.33, BOTH OF THESE REPAIRS ARE DUE TO FAULTY MANUFACTURING & SHOULD BE LISTED AS A RECALL. I JUST HOPE THAT NONE OF THE OTHER ISSUES I HAVE READ ABOUT BECOMES A CONCERN FOR ME. *TR

NHTSA ODI #10298356

70,000 miles · Mar 27, 2009
Engine And Engine Cooling

TICKING NOISE FROM ENGINE HAS BEEN DIAGNOSED AS A CRACKED EXHAUST MANIFOLD. THIS SHOULD BE COVERED BY GM AS A WARRANTY ITEM SINCE THERE HAVE BEEN SO MANY EXHAUST MANIFOLD FAILURES RELATED TO THE 4.2 LITER SIX CYLINDER ENGINE. *TR

NHTSA ODI #10263221

65,459 miles · Mar 20, 2009
Engine And Engine CoolingPower Train

2004 TRAILBLAZER , TRANSMISSION DIPSTICK RUSTED AND BROKE, TRANSMISSION WENT OUT FROM WATER GETTING INSIDE / DO NOT KNOW HOW THIS COULD HAVE HAPPENED ! AND THE BEARINGS IN THE WATERPUMP WENT OUT LEAVING THE FAN SHAFT WIGGLING / LOOSE. WITH ONLY 65000 MILES ON MY TRAILBLAZER NOT TRAVELING NO FASTER THAN 75 MPH MAX. THIS SHOULD NO…

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2004 TRAILBLAZER , TRANSMISSION DIPSTICK RUSTED AND BROKE, TRANSMISSION WENT OUT FROM WATER GETTING INSIDE / DO NOT KNOW HOW THIS COULD HAVE HAPPENED ! AND THE BEARINGS IN THE WATERPUMP WENT OUT LEAVING THE FAN SHAFT WIGGLING / LOOSE. WITH ONLY 65000 MILES ON MY TRAILBLAZER NOT TRAVELING NO FASTER THAN 75 MPH MAX. THIS SHOULD NOT HAVE HAPPENED. MY FRIENDS WITH THE SAME TRAILBLAZER IS HAVING THE SAME THING HAPPENING. I SERVICED EVERY 3500 MILES SINCE OWNED 2005. PLEASE HELP IF CAN . *TR

NHTSA ODI #10262521

Official recalls

1

04V527000 · Exterior Lighting:brake Lights

Nov 1, 2004

ON CERTAIN SPORT UTILITY VEHICLES, VIBRATION AND HEAT MAY CAUSE THE TAIL LAMP/STOP LAMP BULB TO LOOSEN IN ITS SOCKET. IF THIS OCCURS, THE BULB MAY FLICKER AND EVENTUALLY BECOME INOPERATIVE.

Consequence & remedy

Consequence: AN INOPERATIVE BRAKE LAMP WILL NOT CONVEY THE DRIVER'S INTENTION OF STOPPING TO DRIVERS IN FOLLOWING VEHICLES, AND AN INOPERATIVE REAR TURN SIGNAL LAMP WILL NOT CONVEY THE DRIVER'S INTENTION TO TURN TO DRIVERS IN FOLLOWING VEHICLES. BOTH OF THESE FAILURES CAN INCREASE THE RISK OF A CRASH.

Remedy: DEALERS WILL INSPECT THE TAIL LAMP/STOP LAMP ASSEMBLIES, AND IF NECESSARY, REPLACE THEM. THE RECALL BEGAN ON NOVEMBER 22, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438, OLDSMOBILE AT 1-800-630-6537, BUICK AT 1-866-608-8080, OR GMC AT 1-866-996-9463.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

3

RQ17002 · Loss Of Headlights

Opened Apr 24, 2017 · Closed Mar 29, 2021

Status: closed (inferred from source dates) · Exterior Lighting:headlights

The subject vehicles are model year (MY) 2002-2009 Chevrolet Trailblazer, GMC Envoy, 2004-2007 Buick Rainier, 2003-2008 Isuzu Ascender, 2005-2009 Saab 9-7X, 2002-2004 Oldsmobile Bravada, 2003-2006 Chevrolet SSR, 2005-2009 Buick Lacrosse, and 2006-2008 Pontiac Grand Prix. This scope includes the Trailblazer/Envoy variants: 2002-2006 Envoy XL/Trailblazer EXT and 2004-2005 Envoy XUV. The original scope of this investigation was expanded to include all vehicles equipped with the subject Headlight Driver Module (HDM). The focus of the investigation was to determine whether actions performed by General Motors adequately addressed any unreasonable risk to motor vehicle safety in the subject vehicles concerning the headlights and the HDM that controls them.Under normal electrical load and environmental conditions, the HDM can overheat inside the Underhood Electrical Center (UEC). This can cause the module to fail and result in a simultaneous loss of both low beam headlights and both daytime running lights (DRLs), often with no warning or prior detectability to the driver. This failure can be intermittent or permanent. No other exterior lights are affected. High beams, turn signals, brake lights, and reverse lights are still operational.General Motors addressed this issue with 2 recalls (14V755 & 15V519) and a special coverage program (N172091910). In view of the recalls and special coverage program implemented by GM and the vehicle high beams continuing to operate, ODI has tentatively concluded that the actions taken by GM mitigate any unreasonable risk to safety posed by HDM failure in the subject vehicles.Accordingly, the investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take additional action if warranted by new circumstances.The ODI reports cited above are available for review online at NHTSA.gov under the identification numbers in the attached document.

EA07009 · Fuel Pump Module Leaks Gasoline

Opened Jul 10, 2007 · Closed Aug 28, 2008

Status: closed (inferred from source dates) · Fuel System, Gasoline:delivery:fuel Pump

DURING THE COURSE OF THIS EA INVESTIGATION, ODI OBSERVED THAT THE MAJORITY OF THE COMPLAINTS (88%) AND WARRANTY CLAIMS (94%) WERE REPORTED FOR VEHICLES THAT ARE REGISTERED FOR USE IN THE SALT BELT REGION OF THE US.THIS AREA INCLUDES 20 STATES IN THE NORTHEAST, MID ATLANTIC AND THE MIDWEST REGIONS AND THE DISTRICT OF COLUMBIA.CONSUMERS IN THE SALT BELT REGION REPORTED TO ODI THAT THEY COULD SMELL FUEL VAPORS IN THEIR VEHICLES WHILE DRIVING.UPON FURTHER EXAMINATION OF THEIR VEHICLES, THEY DISCOVERED THAT FUEL VAPORS WERE COMING OUT OF THE TOP OF THE FUEL TANK. THIS CONDITION IS CAUSED BY CORROSION OF THE RETURN AND SENDER LINES OF THE FUEL PUMP MODULE.WATER AND ROAD SALT COLLECT ON TOP OF THE FUEL PUMP LEADING TO SMALL PINHOLES APPEARING ON THE FUEL LINES.FUEL MAY LEAK AND COLLECT ON TOP OF THE MODULE AND/OR SPILL ONTO THE GROUND.THE DATA EVALUATED UNDER THIS INVESTIGATION REFLECT A RELATIVELY LOW FREQUENCY OF OCCURRENCE THAT LARGELY ARISES IN SALT BELT STATES.GM HAS EXTENDED THE WARRANTY ON THE SUBJECT COMPONENT TO TEN YEARS OR 120,000 MILES.FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED AT THIS TIME; ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.FOR ADDITIONAL INFORMATION SELECT DOCUMENT SEARCH.

EA04021 · Brake Lamp Failure

Opened Aug 3, 2004 · Closed Nov 4, 2004

Status: closed (inferred from source dates) · Exterior Lighting:brake Lights

GM STATES THAT SOME BRAKE/TAIL LAMP BULBS CAN PREMATURELY BECOME INOPERATIVE DUE TO MALFUNCTIONING BRAKE/TAIL LAMP SOCKETS.ON MARCH 2, 2004, GM INITIATED A 6-YEAR/72,000 MILE SPECIAL POLICY FOR 989,487 SUBJECT VEHICLES TO INSPECT AND REPLACE THE REAR BRAKE/TAIL LAMP BULB SOCKET ASSEMBLIES.ON APRIL 4, 2004, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION (PE04-032) BASED ON CONSUMER COMPLAINTS ALLEGING BRAKE LIGHTS NOT OPERATING WHEN THE BRAKE PEDAL IS DEPRESSED.ON AUGUST 3, 2004 ODI UPGRADED PE04-032 TO AN ENGINEERING ANALYSIS (EA04-021).BY LETTER DATED OCTOBER 27, 2004 GM NOTIFIED NHTSA THAT IT WILL CONDUCT A SAFETY RECALL (NHTSA # 04V527) COVERING SUBJECT VEHICLES THAT WERE NOT ALREADY REPAIRED UNDER GM'S SPECIAL POLICY.MY 2004 SUBJECT VEHICLES BUILT AFTER AUGUST 8, 2003 CONTAIN IMPROVED BRAKE LAMP ASSEMBLIES AND ARE NOT INCLUDED IN THE RECALL.GM DEALERS WILL INSTALL THE IMPROVED BRAKE LAMP ASSEMBLY ON SUBJECT VEHICLES BUILT ON AUGUST 8, 2003 AND EARLIER.THE ACTION TAKEN BY GM IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.