general problems of the 2003 Mercury Grand Marquis

11 problems related to suspension have been reported for the 2003 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Mercury Grand Marquis based on all problems reported for the 2003 Grand Marquis.

1 Suspension problem

Failure Date: 11/23/2022

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.

2 Suspension problem

Failure Date: 06/01/2020

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 sqeaks while in motion due to faulty ball bearings.

3 Suspension problem

Failure Date: 06/03/2014

I own a 2003 Mercury Grand Marquis. My steering shaft is corroded and it is no longer safe to drive. I contacted my local Ford dealer about the issue after realizing there was a recall on the same part but only to find out that the recall was for 2005-2011 . But when I go to buy the part. Its listed for years 2003-2011. I would like to know why 2003 was not on the recall?.

4 Suspension problem

Failure Date: 03/14/2013

The contact owns a 2003 Mercury Grand Marquis. The contact stated that while driving at various speeds, he heard a loud noise in the rear of the vehicle. The vehicle was later taken to an independent mechanic. After diagnosis, they advised him that the rear axle shaft, bearings and, seals prematurely failed and needed to be replaced. The vehicle was repaired. The manufacturer was contacted and they offered no assistance. The failure and current mileages were approximately 52,000.

5 Suspension problem

Failure Date: 11/19/2012

The contact owns a 2003 Mercury Grand Marquis. The contact stated that there was an abnormal banging sound heard from the rear of the vehicle. The vehicle was not taken to the dealer to have a diagnostic performed. The manufacturer was made aware of the failure. The failure mileage was 110,000 and the current mileage was 115,000.

6 Suspension problem

Failure Date: 08/01/2005

2003 Grand Marquis developed problems with the alternator, the throttle sticking open and alignment problems. There was also a rattle noise coming from the engine and the digital readout on the dash was not reading properly.

7 Suspension problem

Failure Date: 12/24/2003

There was a severe vibration in the engine, when the vehicle idled. There was a general chassis vibration at speeds of 38 which was attributed to out of rounds tires.

8 Suspension problem

Failure Date: 05/15/2003

Vehicle vibrates at any speed, getting worse as speed increases. When hitting a bump the steering wheel twists to the right. Dealer test drove the vehicle, said he felt the vibration, and it was a weight distribution problem. Vehicle was then taken to dealer where purchased. Dealer said that vibration was normal for the vehicle.

9 Suspension problem

Failure Date: 09/11/2002

While the vehicle is idling there is a roughness and knocking noise. Please furnish additional information dealer is aware of the problem. Mr.

10 Suspension problem

Failure Date: 08/30/2002

Harsh ride.

11 Suspension problem

The vehicle has a vibration. The dealer stated that the vibration is caused by the suspension and that there is nothing they can do about it until a new model comes out. Consumer indicated of having problem with a four set of tires on the vehicle which are original equipment tires model #p225/60r16 model.



Fuel Economy of Grand Marquis Vehicles
Grand Marquis Service Bulletins
Grand Marquis Safety Recalls
Grand Marquis Defect Investigations