Problems · by component
2003 Mercury Grand Marquis suspension problems
32 owner complaints to NHTSA about the 2003 Mercury Grand Marquis cite suspension, 8% of all 395 complaints for this model year.
Complaints
32
8% of all complaints
Crashes
0
Reported by owners
Fires
1
Reported by owners
Injuries
0
Reported by owners
What owners say about the suspension
Verbatim from NHTSA complaints, newest first
“Almost had accidents because lights failed, headlights and taillights failed at night, including dash lights today, creating safety hazard. Seat tilt failed, and body mount frame bushing failed. Mirror tilt switch failed. Fuel filler neck leaks when filled. Very scary especially at night. Please recall and fix before we get hurt.”
“1.REAR SEATBELTS OFTEN JAM AND HAVE TO BE UNLOCKED BY A PROFESSIONAL. 2. BLEND DOOR SWITCH THAT CONTROLS HEAT AND AIR CONDITIONING GETS STUCK ON HEAT AND BLOWS EXTREMELY HOT AIR YEAR ROUND EVEN IF THE UNIT IS TURNED OFF. VEHICLE IS IN MOTION ON HIGHWAYS AND CITY STREETS. 3. VEHICLE SQUEAKS WHILE IN MOTION DUE TO FAULTY BALL BEARINGS. *TR”
“REAR END NOISE WITH AXLE BEARING AND SHAFT ASSY. WITH CARS OF THAT YEAR USED AS FLEET VEHICLES (NOTE,NHTSA CAMPAIGN ID NUMBER 04V328000. FORD ALSO HAD A SAFETY RECALL NUMBER 04516 IN JULY 15TH 2004 TO ACKNOWLEDGED THAT VEHICLES BUILT FOR FLEET SERVICE WERE PRONE TO AXLE FAILURES AND ISSUED A RECALL FOR FORD SUSPENSION- REAR DEFECT ON FLEET VEHICLES FOR CHASSIS OVERLOADING TO WHEEL BEARINGS AN AXLES. MINE HAPPENED ON TRIP OF 3OO MILES. ROARING NOISE”
“TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. WHILE DRIVING 25 MPH, THE CONTACT HEARD A SOUND FROM THE REAR DRIVER SIDE TIRE. THE CONTACT TOOK THE VEHICLE TO A MECHANIC WHO ADVISED THAT THE REAR OF THE VEHICLE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE CONTACT REFERENCED NHTSA CAMPAIGN NUMBER: 04V328000(SUSPENSION). THE VIN WAS NOT INCLUDED. THE FAILURE MILEAGE WAS APPROXIMATELY 117,000.”
“TL* THE CONTACT OWNS A 2003 MERCURY GRAND MARQUIS. WHILE DRIVING 40 MPH, THE REAR AXLE CRACKED RESULTING IN AN OIL LEAK AND SQUEAKING NOISES. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 151,000.”
“REAR AXLE AND BEARING NOISES. MARQUIS BOUGHT NEW. OWNER'S SON-IN-LAW NOTED MINOR BEARING NOISE IN REAR WHEN VISITING IN 2004. SON-IN-LAW RECEIVED CAR AFTER DEATH OF MOTHER-IN-LAW IN 2012, CAR HAD 24K MILES AT THAT TIME. NOTICED PRONOUNCED REAR END NOISE AT THAT TIME (A WHAA-WHAA-WHAA MATCHING SPEED CHANGES). LEFT REAR AXLE AND OUTBOARD BEARING FOUND TO BE PITTED AND WERE REPLACED BY INDEPENDENT REPAIR SHOP. RESEARCH BY OWNER INDICATES THAT AXLES FOR THIS, AND OTHER SIMILAR MERCURY AND FORDS HAD FACTORY AXLES INSTALLED THAT HAD NOT BEEN PROPERLY HEAT TREATED. NOW, NOV. 2014, AT 43.4K MILES THE RIGHT AXLE IS STARTING TO EXHIBIT NOISE SIMILAR, SO REPAIR IS UP-COMING. WILL EXAMINE NHTSA RECALL 04V328000 AS NOTED HERE IN OTHER COMMENTS POSTED. ALSO REFERENCE FORD/MERCURY SERVICE BULLETIN 0355. *TR”
Showing 6 of 32 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 9, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.