KEY IS STUCK IN IGNITION AND WILL NOT RELEASE NOR COMPLETELY SHUT OFF ENGINE. LOCK CYLINDER WAS REPLACED A YEAR AGO. BELIEVE THAT THE IGNITION LOCK CYLINDER NEEDS TO BE REPLACED.
2004 Chevrolet Monte Carlo
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Monte Carlo years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
196 reports with mileage · 34 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 151 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 23 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Steering. Review the 16 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
230 reportsTL* THE CONTACT OWNS A 2004 CHEVROLET MONTE CARLO. THE CONTACT STATED THAT ENGINE OIL WAS DRIPPING FROM THE MANIFOLD. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE PART NEEDED TO BE REPLACED. THE VEHICLE HAD NOT BEEN REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 1…
Read full complaint
TL* THE CONTACT OWNS A 2004 CHEVROLET MONTE CARLO. THE CONTACT STATED THAT ENGINE OIL WAS DRIPPING FROM THE MANIFOLD. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE PART NEEDED TO BE REPLACED. THE VEHICLE HAD NOT BEEN REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 135,652.
TL* THE CONTACT OWNS A 2004 CHEVROLET MONTE CARLO. WHILE THE VEHICLE WAS PARKED AND/OR DRIVEN AT ANY SPEED, OIL LEAKED ONTO THE EXHAUST MANIFOLD. THE DEALER DIAGNOSED THAT THE OIL PRESSURE SENDING UNIT AND AN OIL PAN GASKET NEEDED TO BE REPLACED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND E…
Read full complaint
TL* THE CONTACT OWNS A 2004 CHEVROLET MONTE CARLO. WHILE THE VEHICLE WAS PARKED AND/OR DRIVEN AT ANY SPEED, OIL LEAKED ONTO THE EXHAUST MANIFOLD. THE DEALER DIAGNOSED THAT THE OIL PRESSURE SENDING UNIT AND AN OIL PAN GASKET NEEDED TO BE REPLACED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING) AND THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS UNKNOWN. THE APPROXIMATE FAILURE MILEAGE WAS 125,000.
OIL LEAK DRIPPING DOWN ON EXHAUST PIPE AND MANIFOLD START IN LAST 5 DAYS . CAR WAS STATION IN GARAGE
TL* THE CONTACT OWNS A 2004 CHEVROLET MONTE CARLO. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V201000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART FOR THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT HAD NOT EXPERIENC…
Read full complaint
TL* THE CONTACT OWNS A 2004 CHEVROLET MONTE CARLO. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V201000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART FOR THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT HAD NOT EXPERIENCED A FAILURE. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. PARTS DISTRIBUTION DISCONNECT.
TL* THE CONTACT OWNS A 2004 CHEVROLET MONTE CARLO. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V201000 (ENGINE AND ENGINE COOLING). THE VEHICLE WAS TAKEN TO THE DEALER, BUT WAS NOT REPAIRED. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.
I TOOK MY CAR IN TO TOM HENRY CHEVROLET ON MAY 19, 2016 TO HAVE RECALL NUMBER 14574 PERFORMED. I PREVIOUSLY HAD NO OIL LEAK FROM THIS VALVE COVER, BUT TOOK IT IN ONLY BECAUSE OF THE RECALL. MILEAGE TO TIME OF REPAIR WAS 117748...CURRENT MILEAGE, AT TIME OF PHOTO, IS 119295. THE PHOTO SHOWS THE GASKET PROTRUDING OUT FROM UNDER T…
Read full complaint
I TOOK MY CAR IN TO TOM HENRY CHEVROLET ON MAY 19, 2016 TO HAVE RECALL NUMBER 14574 PERFORMED. I PREVIOUSLY HAD NO OIL LEAK FROM THIS VALVE COVER, BUT TOOK IT IN ONLY BECAUSE OF THE RECALL. MILEAGE TO TIME OF REPAIR WAS 117748...CURRENT MILEAGE, AT TIME OF PHOTO, IS 119295. THE PHOTO SHOWS THE GASKET PROTRUDING OUT FROM UNDER THE VALVE COVER TO THE LEFT OF THE BOLT, AND OIL ON THE BLOCK AND EXHAUST. SUCH A SIMPLE PROCEDURE, SCREWED UP BY INCOMPETENT DEALERSHIP!!!! NOW, I HAVE A PROBLEM!!!!
TL* THE CONTACT OWNED A 2004 CHEVROLET MONTE CARLO. AFTER STRIKING A POTHOLE AT APPROXIMATELY 15 MPH, AN ABNORMAL SOUND EMITTED FROM THE VEHICLE WITHOUT WARNING. THE AIR BAGS DEPLOYED. THE VEHICLE FILLED WITH SMOKE AND CAUGHT ON FIRE. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. A POLICE REPORT WAS FILED AND THE CONTACT SUSTAINED …
Read full complaint
TL* THE CONTACT OWNED A 2004 CHEVROLET MONTE CARLO. AFTER STRIKING A POTHOLE AT APPROXIMATELY 15 MPH, AN ABNORMAL SOUND EMITTED FROM THE VEHICLE WITHOUT WARNING. THE AIR BAGS DEPLOYED. THE VEHICLE FILLED WITH SMOKE AND CAUGHT ON FIRE. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. A POLICE REPORT WAS FILED AND THE CONTACT SUSTAINED A MINOR THUMB INJURY THAT DID NOT REQUIRE MEDICAL ATTENTION. THE VEHICLE WAS DESTROYED. THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 15V201000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART FOR THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 169,800. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
TL* THE CONTACT OWNS A 2004 CHEVROLET MONTE CARLO. THE CONTACT STATED THAT THE SECURITY WARNING LIGHT CONSTANTLY FLASHED AND THE VEHICLE WAS UNABLE TO START. IN ADDITION, THE VEHICLE STALLED SEVERAL TIMES. THE VEHICLE WAS TAKEN TO THE DEALER WHO REPLACED THE KEYS FOR THE IGNITION BUT THE FAILURE CONTINUED. THE SECURITY WARNING L…
Read full complaint
TL* THE CONTACT OWNS A 2004 CHEVROLET MONTE CARLO. THE CONTACT STATED THAT THE SECURITY WARNING LIGHT CONSTANTLY FLASHED AND THE VEHICLE WAS UNABLE TO START. IN ADDITION, THE VEHICLE STALLED SEVERAL TIMES. THE VEHICLE WAS TAKEN TO THE DEALER WHO REPLACED THE KEYS FOR THE IGNITION BUT THE FAILURE CONTINUED. THE SECURITY WARNING LIGHT CONTINUED TO ILLUMINATE. THE PASS LOCK PROTECTION SYSTEM WAS UNABLE TO BE OVERRIDDEN SO THE CONTACT WAS UNABLE TO DETERMINE THE SOLUTION TO REPAIR THE VEHICLE. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 14V400000 (ELECTRICAL SYSTEM). THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.
TL* THE CONTACT OWNS A 2004 CHEVROLET MONTE CARLO. THE CONTACT STATED THAT THERE WAS A BURNING OIL ODOR. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V201000 (ENGINE AND ENGINE COOLING) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TI…
Read full complaint
TL* THE CONTACT OWNS A 2004 CHEVROLET MONTE CARLO. THE CONTACT STATED THAT THERE WAS A BURNING OIL ODOR. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V201000 (ENGINE AND ENGINE COOLING) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS NOT AVAILABLE.
Official recalls
415V701000 · Engine And Engine Cooling:engine; Engine And Engine Cooling:exhaust System:manifold/header/muffler/tail Pipe
Oct 26, 2015
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to address the possibility that engine oil may drip onto the hot exhaust manifold.
Consequence & remedy
Consequence: Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.
Remedy: The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety risk. Under the improved remedy, dealers will replace the engines front valve cover and gasket. Vehicles that are covered by recalls 08V-118, 09V-116, or 15V-201 that have not yet received the original remedy will instead receive the improved remedy under the original recall number. The recall began on February 19, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick customer service at 1-800-521-7300, Oldsmobile customer service at 1-800-442-6537 and Pontiac customer service at 1-800-458-8006. GM's number for this recall is 15757. Note: Until the improved remedy has been applied, owners are advised to park their vehicle outside since the fire risk exists even when the vehicle is unattended.
Additional source detail variants (2)
Engine And Engine Cooling:exhaust System:manifold/header/muffler/tail Pipe
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to address the possibility that engine oil may drip onto the hot exhaust manifold.
Consequence: Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.
Remedy: The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety risk. Under the improved remedy, dealers will replace the engines front valve cover and gasket. Vehicles that are covered by recalls 08V-118, 09V-116, or 15V-201 that have not yet received the original remedy will instead receive the improved remedy under the original recall number. The recall began on February 19, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick customer service at 1-800-521-7300, Oldsmobile customer service at 1-800-442-6537 and Pontiac customer service at 1-800-458-8006. GM's number for this recall is 15757. Note: Until the improved remedy has been applied, owners are advised to park their vehicle outside since the fire risk exists even when the vehicle is unattended.
Engine And Engine Cooling:engine
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to address the possibility that engine oil may drip onto the hot exhaust manifold.
Consequence: Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.
Remedy: The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety risk. Under the improved remedy, dealers will replace the engines front valve cover and gasket. Vehicles that are covered by recalls 08V-118, 09V-116, or 15V-201 that have not yet received the original remedy will instead receive the improved remedy under the original recall number. The recall began on February 19, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick customer service at 1-800-521-7300, Oldsmobile customer service at 1-800-442-6537 and Pontiac customer service at 1-800-458-8006. GM's number for this recall is 15757. Note: Until the improved remedy has been applied, owners are advised to park their vehicle outside since the fire risk exists even when the vehicle is unattended.
15V201000 · Engine And Engine Cooling:engine
Apr 6, 2015
General Motors LLC (GM) notified the agency on April 2, 2015, that they are is recalling certain model year 2004 Buick Regal vehicles manufactured April 9, 2003, to June 1, 2003, 2004 Chevrolet Impala vehicles manufactured April 8, 2003, to June 23, 2003, and 2004 Chevrolet Monte Carlo vehicles manufactured April 7, 2003, to June 23, 2003. On May 18, 2015, GM expanded the recall to cover an additional 49,751 2004 Pontiac Grand Prix vehicles manufactured January 6, 2003, to June 25, 2004. In the affected vehicles, the valve cover gasket may leak.
Consequence & remedy
Consequence: The leaking engine oil can drip onto the hot surface of the exhaust manifold, increasing the risk of a fire.
Remedy: GM will notify owners, and dealers will remove the plastic cover and plastic oil fill tube extension and replace the front valve cover and gasket. These repairs will be done free of charge. The recall began on April 24, 2015. Owners may contact Buick customer service at 1-800-521-7300, Pontiac customer service at 1-800-762-2737 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 14574.
14V400000 · Electrical System:ignition
Jul 3, 2014
This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) notified the agency on July 3, 2014, that they are recalling 5,877,718 model year 2000-2005 Chevrolet Impala and Monte Carlo, 1997-2003 Chevrolet Malibu, 2004-2005 Malibu Classic, 1999-2004 Oldsmobile Alero, 1998-2002 Oldsmobile Intrigue, 1999-2005 Pontiac Grand Am and 2004-2008 Pontiac Grand Prix vehicles. In these models, the weight on the key ring and/or road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.
Consequence & remedy
Consequence: If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury.
Remedy: GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 9, 2014. GM's number for this recall is 14350.
04V287000 · Service Brakes, Hydraulic
Jun 23, 2004
CERTAIN PASSENGER VEHICLES WERE PRODUCED WITH LOWER THAN SPECIFIED TORQUE ON BOTH FRONT BRAKE CALIPER TO STEERING KNUCKLE ATTACHMENT BOLTS. WITH IMPROPER TORQUE, THE CLAMP LOAD AT THE JOINT MAY NOT BE ADEQUATE TO PREVENT MOVEMENT BETWEEN THE CALIPER BRACKET AND KNUCKLE.
Consequence & remedy
Consequence: DEPENDING ON WHETHER ONE OR BOTH BOLTS BACKS OUT OR FRACTURES, THE RESULT CAN BE LOCKING OF THE AFFECTED WHEEL DURING BRAKING AND AN ABRUPT STEERING INPUT IN THE DIRECTION OF THE LOCKED WHEEL, REDUCED BRAKING AND NOISE FROM THE AFFECTED WHEEL, OR SEVERING OF A BRAKE HOSE, INCREASED BRAKE PEDAL TRAVEL, AND REDUCED STEERING CONTROL. REDUCED BRAKING OR STEERING CONTROL COULD CAUSE A CRASH.
Remedy: DEALERS ARE TO TIGHTEN BOTH BOLTS TO THE SPECIFIED TORQUE. OWNER NOTIFICATION BEGAN ON JUNE 28, 2004. OWNERS SHOULD CONTACT CHEVROLET 1-800-630-2438 OR PONTIAC 1-800-620-7668.
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
0No exact-year investigations in this snapshot.
Illustration