1999 ALERO HAVING PROBLEMS WITH MANIFOLD LEAKING OIL AND FAILED FUEL INJECTORS. *MR THE FRONT SPRING HAD BROKEN SUDDENLY AS THE VEHICLE WAS IN MOTION. THE MANIFOLD AND INJECTOR PROBLEM OCCURRED WITHIN ONE WEEK. RECALL #3V473000 AND THERE WAS A RECALL FOR THE SUSPENSION. *SC *JB
1999 Oldsmobile Alero
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1999 Oldsmobile Alero do not stand out strongly from the model-year median of 279.
About this comparison →How this year compares
Owner complaints by model year
Compare all Alero 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
169 reports with mileage · 293 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.
- Service Brakes, Hydraulic. Review the 111 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 89 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 85 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
85 reportsLOOSING ENGINE COOLENT. NO VISIBLE LEAKING ON THE GROUND.*AK
DUE TO GM DEFECT TO DATE I HAVE HAD TO REPLACE INTAKE MANIFOLD GASKET, WATER PUMP, THERMOSTAT, SERPENTINE BELT AND AM NOW LOOKING AT REPLACING GAS TANK AND HEATER CORE. . *AK
LOWER INTAKE GASKET FAILURE CAUSES NEAR COLLISION ON FREEWAY. WHILE I WAS DRIVING HOME ON A BUSY DAY MY COOLANT LIGHT CAME ON AND MY ENGINE STARTED PULSING STRANGELY. TRYING TO PULL INTO THE EMERGENCY LANE CAUSED SEVERAL CARS TO NEARLY SLAM INTO THE BACK OF MY CAR. THE PROBLEM WITH THE COOLANT WAS FOUND TO BE A COMMON FLAW IN…
Read full complaint
LOWER INTAKE GASKET FAILURE CAUSES NEAR COLLISION ON FREEWAY. WHILE I WAS DRIVING HOME ON A BUSY DAY MY COOLANT LIGHT CAME ON AND MY ENGINE STARTED PULSING STRANGELY. TRYING TO PULL INTO THE EMERGENCY LANE CAUSED SEVERAL CARS TO NEARLY SLAM INTO THE BACK OF MY CAR. THE PROBLEM WITH THE COOLANT WAS FOUND TO BE A COMMON FLAW IN THE LOWER INTAKE GASKET ON 3.4L (3400) GM ENGINES. AFTER INVESTIGATION, I'VE FOUND THAT MANY PEOPLE ARE EXPERIENCING THIS PROBLEM YET GM IS DOING NOTHING TO ADDRESS IT.*AK
WHILE DRIVING AT ANY SPEED CONSUMER HEARD A RATTLING SOUND COMING FROM THE FRONT END OF THE VEHICLE. DEALER EXAMINED THE VEHICLE AND REPLACED THE FRONT HUBS AND WHEEL BEARINGS. ALSO, VEHICLE USED AN EXCESSIVE AMOUNT OF OIL AND COOLANT.*AK
LOSS OF POWER DURING ACCELERATION INTO AN INTERSECTION.*AK
AT 50K MILES, LOW COOLANT LIGHT WOULD FLICKER ON AND OFF SO PER THE MANUAL DEXCOOL/WATER MIXTURE WAS ADDED. THIS ALLEVIATED THE PROBLEM ONLY TEMPORARILY HOWEVER. LIGHT CONTINUED TO COME ON, AND LATER AT 61K, OIL LEAK WAS NOTICED ON THE SIDE OF THE INTAKE MANIFOLD. AN APPOINTMENT WAS MADE TO BRING THE CAR TO THE DEALERSHIP THE…
Read full complaint
AT 50K MILES, LOW COOLANT LIGHT WOULD FLICKER ON AND OFF SO PER THE MANUAL DEXCOOL/WATER MIXTURE WAS ADDED. THIS ALLEVIATED THE PROBLEM ONLY TEMPORARILY HOWEVER. LIGHT CONTINUED TO COME ON, AND LATER AT 61K, OIL LEAK WAS NOTICED ON THE SIDE OF THE INTAKE MANIFOLD. AN APPOINTMENT WAS MADE TO BRING THE CAR TO THE DEALERSHIP THE SAME WEEK, DURING WHICH THE SECURITY DUMMY LIGHT CAME ON (FOR NO APPARENT REASON). ALSO DURING THIS WEEK, THE "CHANGE OIL" DUMMY LIGHT CAME ON 100 MILES BEFORE THE OIL CHANGE WAS DUE (AT 2900 MILES). THE CAR WAS BROUGHT TO THE DEALERSHIP TO FIX PER ITS APPOINTMENT, AND NOT ONLY WAS COOLANT LEAKING INTO THE ENGINE, BUT THE UPPER AND LOWER INTAKE MANIFOLD GASKETS REQUIRED REPLACEMENT. IN ADDITION, ON ITS WAY TO THE DEALERSHIP, THE ENGINE STARTED TO MISFIRE CAUSING THE "CHECK ENGINE" LIGHT TO FLASH FOR SEVERAL MOMENTS BEFORE TURNING TO A STEADILY LIT DUMMY LIGHT. CAR HAS ALWAYS BEEN GIVEN ROUTINE MAINTENANCE AND OIL CHANGES EVERY 3K OR AS NECESSARY, SO THIS PERFORMANCE AND OBVIOUS DESIGN FLAW ARE VERY DISAPPOINTING. WOULD NOT RECOMMEND THIS CAR/3.4L V6 ENGINE TO ANYONE LOOKING TO PURCHASE A NEW VEHICLE AND CONSIDERING THIS MAKE/MODEL/ENGINE TYPE. *JB
I BOUGHT MY ALERO IN MAY OF 2003, AND IT IS NOT MARCH 2004 AND I AM REPLACING THE MOTOR. STARTED OUT WITH BRAKE PROBLEMS, THEN WENT ON TO THE LEATHER UNDER THE WINDOWS AND ON THE DASH "BUBBLING" UP IN THE SUN. NEXT, I HAD COOLANT/OIL LEAKS AT THE INTAKE MANIFOLD. LOW TRAC LIGHT CAME ON ALL THE TIME, LOW TIRE PRESSURE LIGHT STAYS…
Read full complaint
I BOUGHT MY ALERO IN MAY OF 2003, AND IT IS NOT MARCH 2004 AND I AM REPLACING THE MOTOR. STARTED OUT WITH BRAKE PROBLEMS, THEN WENT ON TO THE LEATHER UNDER THE WINDOWS AND ON THE DASH "BUBBLING" UP IN THE SUN. NEXT, I HAD COOLANT/OIL LEAKS AT THE INTAKE MANIFOLD. LOW TRAC LIGHT CAME ON ALL THE TIME, LOW TIRE PRESSURE LIGHT STAYS ON, THE FAN FOR THE A/C OR HEAT ONLY WORKED IN THE 3-5 POSITIONS. (IT'S FULL BLAST OR NOTHING.) COOLANT LIGHT FREQUENTLY CAME ON, TRANSMISSION FLUID VANISHES, COOLANT LEAKS, YET NO ONE KNOWS WHERE FROM. THE TEMPERATURE GAUGE NEVER GOES BELOW HALFWAY, AND IT RAN HOT A LOT. HAD TO REPLACE THE COOLANT CAP AND OVERFLOW RESEVOIR. THE GAS HAND STICKS, THE SPEEDOMETER STICKS, THE LEATHER SEATS ARE TEARING, HAD TO REPLACE THE FACTORY RADIO BECAUSE IT WOULD NOT PICK UP ANY CHANNELS, REAR DEFROST WORKS ONLY WHEN IT WANTS TO, AND SERVICE ENGINE LIGHT STAYED ON ABOUT HALF THE TIME. I TOOK THIS CAR TO 7 MECHANICS, HAD IT HOOKED UP TO DIAGNOSTIC COMPUTERS, HAD EVERYTHING CHECKED-YET NO ONE COULD TELL ME WHAT WAS GOING ON. FINALLY, I LEFT THE MECHANIC SHOP AFTER BEING TOLD THAT THE CAR WAS "GOOD TO GO" (WHICH I WOULD NEVER PUT IN THE SAME SENTENCE WITH ALERO AGAIN.), AND IT STARTING SKIPPING. I HAD IT TOWED, ONLY TO FIND OUT THAT I HAD A CRACKED BLOCK AND CRACKED HEADS. (NEW MOTOR NEEDED-FINAL PROGNOSIS) MY MECHANIC TOLD ME THAT IT WOULD DO ABSOLUTELY NO GOOD TO PUT A MOTOR IN IT BECAUSE IN 2 YEARS-THE NEW MOTOR WILL DO THE SAME! OLDSMOBILE SHOULD BE ASHAMED THAT THEY WOULD RECALL A GLOVE BOX LATCH, YET NOT THE MOTOR. AFTER READING THE REVIEWS THAT I HAVE READ IN THE PAST WEEK, I AM SEEKING LEGAL ACTION IN REGARDS TO THIS ISSUE. I DID NOT PAY $17,000 FOR A LEMON, WHICH IS ALL I GOT!! DON'T BUY!! BUYER BEWARE!! *AK
I OWN A 1999 OLDSMOBILE ALERO WITH A 3.4L ENGINE. AT A COST OF $652.01, ON 28-OCTOBER-2003 I HAD SERVICE PERFORMED ON MY VEHICLE BECAUSE I WAS LOOSING COOLANT AT REGULAR INTERVALS AND IT WAS NOT LEAKING ONTO THE GROUND. THE SEVERE CAUSE FOR CONCERN WAS AFTER I HAD REFILLED MY COOLANT RESERVOIR, DROVE APPROXIMATELY 3 MILES, AND…
Read full complaint
I OWN A 1999 OLDSMOBILE ALERO WITH A 3.4L ENGINE. AT A COST OF $652.01, ON 28-OCTOBER-2003 I HAD SERVICE PERFORMED ON MY VEHICLE BECAUSE I WAS LOOSING COOLANT AT REGULAR INTERVALS AND IT WAS NOT LEAKING ONTO THE GROUND. THE SEVERE CAUSE FOR CONCERN WAS AFTER I HAD REFILLED MY COOLANT RESERVOIR, DROVE APPROXIMATELY 3 MILES, AND ALL OF THE COOLANT WAS GONE. THE TEMPERATURE GUAGE SHOT UP TO THE RED ZONE, AND I PULLED OVER IMMEDIATELY. I HAD THE CAR TOWED TO THE DEALER AND THEY INDICATED THAT THIS WAS A COMMON PROBLEM FOR VEHICLES WITH THIS ENGINE. THEY REPLACED THE INTAKE GASKET AND I WAS ON MY WAY. A FEW WEEKS LATER I NOTICED THE COOLANT LEVEL WAS LOW AGAIN, AND I HAD TO ADD MORE COOLANT. I TOOK THE CAR BACK TO THE DEALERSHIP ON 25-NOVEMBER-2003. THEY CHECKED THE CAR AND SAID THEY COULD FIND NO LEAKS. I CONTINUED TO DRIVE THE CAR. CONSISTENTLY, EVERY 2 WEEKS, I WAS REFILLING THE COOLANT RESEVOIR. THIS HAS BEEN HAPPENING UNTIL RECENTLY (FEBRUARY 2004). IN LATE FEBRUARY 2004 I STARTED LOSING COOLANT AT A MUCH FASTER RATE, ABOUT 3 DAY INTERVALS. ON 2-MARCH-2004 MY CAR DID NOT START THE FIRST 2 TIMES I TRIED, ON THE THIRD IT CAUGHT. I DECIDED TO INSPECT THE OIL, USING THE DIP STICK, AND FOUND THAT THE OIL WAS A THICK GOO. THIS PROMPTED ME TO CALL GM AND THE DEALERSHIP TO IDENTIFY MY OPTIONS FOR HAVING THIS PROBLEM RESOLVED. I AM FRUSTRATED, AGGREVATED, ANNOYED, AMONG OTHER THINGS, AND I FEAR THAT HAD THIS GONE UNDETECTED, THE OIL WOULD HAVE GOTTEN TO A STATE WHERE IT WOULD NOT HAVE ALLOWED THE ENGINE TO FUNCTION, PERHAPS LEADING TO AN ACCIDENT. NOT ONLY DO I FEAR FOR MY SAFETY, BUT I AM CONCERNED THAT HAVING A SEVERE PROBLEM LIKE THIS "FIXED" ONLY TO FIND THAT IT HAPPENS AGAIN WILL ONLY LEAD TO THE SAMETHING HAPPENING YET ANOTHER TIME. HOW MANY TIMES WILL I HAVE TO HAVE THIS PROBLEM FIXED? IS THIS A RECURRING SAFETY CONCERN?
HEAD GASKET AND MANIFOLD GASKET LEAK ON A 1999 OLDS ALERO WITH 55000 MILES. *JB
Official recalls
314V400000 · 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.
00V140000 · Structure:body
May 18, 2000
VEHICLE DESCRIPTION: THESE VEHICLES DO NOT COMPLY WITH THE OCCUPANT PROTECTION REQUIREMENTS OF FMVSS NO. 201, "OCCUPANT PROTECTION IN INTERIOR IMPACT." THE CONSOLE COVER ON THESE VEHICLES DOES NOT STAY CLOSED WHEN A SPECIFIED VERTICAL LOAD IS APPLIED.
Consequence & remedy
Consequence: IN THE EVENT OF A CRASH, THE CONSOLE COVER COULD OPEN AND THE COVER OR ITEMS STORED UNDER IT COULD INJURE AN OCCUPANT.
Remedy: DEALERS WILL REPLACE THE CONSOLE LATCH MECHANISM.
98V320000 · Steering: Steering Wheel/handle Bar
Dec 15, 1998
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE STEERING WHEEL CAN COME LOOSE FROM THE STEERING SHAFT BECAUSE THE STEERING WHEEL RETAINING NUT COULD HAVE BEEN IMPROPERLY TIGHTENED.
Consequence & remedy
Consequence: THIS CONDITION COULD CAUSE A LOSS OF STEERING CONTROL, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL INSPECT THE STEERING WHEEL RETAINING NUT FOR CORRECT TIGHTNESS AND TIGHTEN IF NECESSARY.
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
1RQ04005 · Turn Signal Failures
Opened Jun 18, 2004 · Closed Nov 30, 2004
Status: closed (inferred from source dates) · Exterior Lighting:hazard Flashing Warning Lights:switch; Exterior Lighting:turn Signal:switch
GM CONDUCTED A RECALL (NHTSA RECALL NUMBER 03V327) ON MODEL YEAR (MY) 2000-2001 ALERO, GRAND AM AND MALIBU VEHICLES TO REPLACE DEFECTIVE HAZARD SWITCHES THAT CAUSE THE TURN SIGNALS AND HAZARD LIGHTS TO FAIL.THE RECALL COVERED VEHICLES BUILT FROM FEBRUARY 2000 THROUGH MAY 2001 (DEPENDING ON MODEL).ODI OPENED THIS INVESTIGATION BASED ON 64 REPORTS ALLEGING TURN SIGNAL FAILURE ON MY 1999-2000 ALERO, GRAND AM AND MALIBU VEHICLES NOT COVERED UNDER THE RECALL AND BUILT PRIOR TO FEBRUARY 2000.IN DECEMBER 2004, GM WILL ISSUE A SPECIAL POLICY FOR MY 1999-2000 ALERO, GRAND AM AND MALIBU VEHICLES NOT COVERED UNDER RECALL 03V327.THE POLICY COVERS TURN SIGNAL/HAZARD FLASHER FAILURE FOR A PERIOD OF 10 YEARS OR 150,000 MILES (WHICHEVER OCCURS FIRST) TO PROVIDE A NO COST REPLACEMENT OF THE HAZARD SWITCH.GM WILL SEND LETTERS TO OWNERS STARTING DECEMBER 30, 2004.THE ACTIONS TAKEN BY THE MANUFACTURER IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.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 FUTURE ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Additional source detail variants (2)
Exterior Lighting:hazard Flashing Warning Lights:switch
GM CONDUCTED A RECALL (NHTSA RECALL NUMBER 03V327) ON MODEL YEAR (MY) 2000-2001 ALERO, GRAND AM AND MALIBU VEHICLES TO REPLACE DEFECTIVE HAZARD SWITCHES THAT CAUSE THE TURN SIGNALS AND HAZARD LIGHTS TO FAIL.THE RECALL COVERED VEHICLES BUILT FROM FEBRUARY 2000 THROUGH MAY 2001 (DEPENDING ON MODEL).ODI OPENED THIS INVESTIGATION BASED ON 64 REPORTS ALLEGING TURN SIGNAL FAILURE ON MY 1999-2000 ALERO, GRAND AM AND MALIBU VEHICLES NOT COVERED UNDER THE RECALL AND BUILT PRIOR TO FEBRUARY 2000.IN DECEMBER 2004, GM WILL ISSUE A SPECIAL POLICY FOR MY 1999-2000 ALERO, GRAND AM AND MALIBU VEHICLES NOT COVERED UNDER RECALL 03V327.THE POLICY COVERS TURN SIGNAL/HAZARD FLASHER FAILURE FOR A PERIOD OF 10 YEARS OR 150,000 MILES (WHICHEVER OCCURS FIRST) TO PROVIDE A NO COST REPLACEMENT OF THE HAZARD SWITCH.GM WILL SEND LETTERS TO OWNERS STARTING DECEMBER 30, 2004.THE ACTIONS TAKEN BY THE MANUFACTURER IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.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 FUTURE ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Exterior Lighting:turn Signal:switch
GM CONDUCTED A RECALL (NHTSA RECALL NUMBER 03V327) ON MODEL YEAR (MY) 2000-2001 ALERO, GRAND AM AND MALIBU VEHICLES TO REPLACE DEFECTIVE HAZARD SWITCHES THAT CAUSE THE TURN SIGNALS AND HAZARD LIGHTS TO FAIL.THE RECALL COVERED VEHICLES BUILT FROM FEBRUARY 2000 THROUGH MAY 2001 (DEPENDING ON MODEL).ODI OPENED THIS INVESTIGATION BASED ON 64 REPORTS ALLEGING TURN SIGNAL FAILURE ON MY 1999-2000 ALERO, GRAND AM AND MALIBU VEHICLES NOT COVERED UNDER THE RECALL AND BUILT PRIOR TO FEBRUARY 2000.IN DECEMBER 2004, GM WILL ISSUE A SPECIAL POLICY FOR MY 1999-2000 ALERO, GRAND AM AND MALIBU VEHICLES NOT COVERED UNDER RECALL 03V327.THE POLICY COVERS TURN SIGNAL/HAZARD FLASHER FAILURE FOR A PERIOD OF 10 YEARS OR 150,000 MILES (WHICHEVER OCCURS FIRST) TO PROVIDE A NO COST REPLACEMENT OF THE HAZARD SWITCH.GM WILL SEND LETTERS TO OWNERS STARTING DECEMBER 30, 2004.THE ACTIONS TAKEN BY THE MANUFACTURER IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.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 FUTURE ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Illustration