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1997 Mercury Grand Marquis problems

The most common problem on the 1997 Mercury Grand Marquis is engine and cooling, typically around 80,800 miles. It has 3.3 times the complaints of a typical Grand Marquis model year.

Typical year3.3x the typical complaints
Owner complaints
315
Recalls
4
Service bulletins
133
Worst area
Engine
Fuel economy
18mpg

The worst 1997 Mercury Grand Marquis problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

Specific symptoms reported on the 1997 Mercury Grand Marquis

Overheating 27Headlights 16Adaptive cruise 15Ball joint 14Brake failure 10Engine failure 8Fire or smoke 7Check engine light 6Door locks 6

Recalls 4

Vehicle speed control: cruise controlReported February 4, 2008 · 225,000 vehicles affected
What is wrong
Ford is recalling 225,000 my 1992-2003 econoline, my 1993-1995 taurus sho, my 1992-1998 crown victoria, my 1993 bronco, f-series, my 1995-1997 f-series super duty stripped chassis, my 1992-1998 mercury grand marquis, and my 1992-1995 lincoln town car vehicles. The affected vehicles were previously repaired using a wiring harness that is not compatible with the vehicle circuit polarity.
Risk
As a result, the fuse is located in the output circuit rather than in the intended input power feed circuit, and may not offer the intended protection in the event of an electrical short to ground.
Remedy
Dealers will install a new wiring harness, or replace the mating electrical component. The recall began on february 18, 2008. Owners may contact ford at 1‑800‑392‑3673.

Recall number 08V051000 · Recall details

Vehicle speed controlReported August 3, 2007 · 3,600,000 vehicles affected
What is wrong
On certain pickup trucks, passenger vehicles, sport utility vehicles, and motor homes chassis, the speed control deactivation switch may, under certain conditions, leak internally and then overheat, smoke, or burn.
Risk
This could result in an underhood fire.
Remedy
Dealers will install a fused wiring harness. Owners of the passenger cars included in this campaign will be instructed to return their vehicles to their dealers to have the speed control deactivation switch disconnected as an interim repair. As soon as repair parts are available (expected october 2007), owners will be instructed to return to the dealers for installation of a fused wiring harness. The recall began on august 13, 2007, and mailing completed by september 19, 2007. Owners may contact ford at 1‑888‑222‑2751.

Recall number 07V336000 · Recall details

Seat belts: front: anchorageReported June 12, 2000 · 1,167 vehicles affected
What is wrong
Vehicle description: passenger vehicles using aftermarket driver's seat belt assemblies that were sold by ford parts departments from january 1, through june 13, 2000. These seat belt assemblies fail to comply with the requirements of fmvss no. 209, "seat belt assemblies." the equipment involved is service stock seat belt assemblies, model nos. H 9977, h 9979, t 9063, and t 9217, built by trw vehicle safety systems, inc. (trw) manufactured from june 1, 1998 through may 21, 2000. Some of these seat belt assemblies may have been installed as service replacement equipment on the vehicles involved in the recall.
Risk
In the event of a collision, these seat belts may not restrain an occupant increasing the risk of injury.
Remedy
Dealers will inspect these vehicles and replace the service seat belt assemblies that were installed in these vehicles from january 1 through june 13, 2000.

Recall number 00V157001 · Recall details

Seat belts: front: anchorageReported June 12, 2000 · 1,129 vehicles affected
What is wrong
Vehicle description: passenger vehicles using aftermarket front passenger side seat belt assemblies that were sold by ford parts departments from january 1, through june 13, 2000. These seat belt assemblies fail to comply with the requirements of fmvss no. 209, "seat belt assemblies." the equipment involved is service stock seat belt assemblies, model nos. H 9977, h 9979, t 9063, and t 9217, built by trw vehicle safety systems, inc. (trw) manufactured from june 1, 1998 through may 21, 2000. Some of these seat belt assemblies may have been installed as service replacement equipment on the vehicles involved in the recall.
Risk
In the event of a collision, these seat belts may not restrain an occupant increasing the risk of injury.
Remedy
Dealers will inspect these vehicles and replace the service seat belt assemblies that were installed in these vehicles from january 1 through june 13, 2000.

Recall number 00V157002 · Recall details

See all 4 recalls for the 1997 Mercury Grand Marquis

Defect investigations

Spark plug ejection from cylinder headOpened September 22, 2005, closed January 4, 2006

On september 6, 2005, odi received a petition requesting that the agency investigate allegations of engine spark plug ejection in certain model year 1997 through 2004 ford vehicles with triton v-8 and v-10 engines.odi received a total of 474 non-duplicative complaints on the subject vehicles where the complainant, or the dealer repairing the vehicle, reported that a spark plug detached from the cylinder and/or ejected from the engine.as of december 8, 2005, odi is not aware of any allegations where the alleged defect resulted in a loss of vehicle control, a crash, an injury, or a fatality in any of the 10,319,810 subject vehicles.in addition, odi is aware of only two incidents where the vehicle stalled without restart.information contained in the odi consumer complaints and obtained from 72 telephone interviews with complainants showed the following:(1) 99% of the complaints were on my 1997 to 2002 subject vehicles.(2) most the complainants reported hearing a loud pop while driving or upon starting up the vehicle followed by a loud, repetitive clicking or popping sound.(3) many of the complainants reported that the popping sound was accompanied by some loss of vehicle power; however, in 99% of the incidents reported, the vehicle did not stall.in the very few incidents where the vehicle did stall, most vehicles could be restarted.(4) only a small percentage of the complainants cited that they smelled gas or a slight burning smell when the incident occurred.(5) in all but a very few incidents, vehicle damage was limited to the engine.in one incident, the complaint reported that the fuel rail was damaged and replaced after one of the spark plugs ejected from the engine; however, the complainant reported that the damage did not result in any type of fuel leak or fire.in another incident, the only incident where a fire was alleged, the complainant reported that no fluid leak was observed, but that a fire resulted after the spark plug had ejected from the engine and he had restarted the vehicle and driven to another location.none of the complainants reported any damage to the vehicle hood.(6) only two complainants reported that they observed what appeared to be some drops of fuel coming from the cylinder where the spark plug had failed or on the spark plug itself; however, each of these complainants reported that there was no smoke or flames as a result of his incident.as the petitioner noted, and odi?s analysis showed, it is possible for a spark plug to detach from the engine cylinder threads in the subject vehicles.however, odi?s analysis of 474 complaints describing such incidents found only a very few alleged any safety-related consequences.none of these showed any evidence of a serious safety consequence.given the large population and relatively long exposure time of the subject vehicles, the complaint analysis indicates that the risk to motor vehicle safety from the alleged defect is very low.in view of the foregoing, it is unlikely that the federal safety agency would issue an order for the notification and remedy of the alleged defect at the conclusion of the investigation requested in the petition.therefore, in view of the need to allocate and prioritize the federal safety agency?s limited resources to best accomplish the agency?s safety mission, the petition is denied.

DP05005

Rear brake line failureOpened July 25, 2003, closed April 11, 2005

In a letter dated february 25, 2005, ford motor company (ford) notified odi that it would be conducting a customer satisfaction program (ford no. 04b26) to correct a rear brake line chafing concern in approximately 44,000 model year (my) 1997 ford crown victoria and grand marquis non-fleet vehicles equipped with electronic traction control that werebuilt after march 19, 1997.these vehicles have an additional rear brake line and a mastic patch causing reduced clearance from a stiffening rib in the floor pan.odi?s analysis showed higher complaint and warranty rates related to rear brake line failures in this population than in other subject vehicles and peer mid-sized passenger cars that were evaluated during the investigation.vehicles involved in ford?s program will have the rear brake lines inspected for contact with the floor pan stiffing rib.if there is contact, but no abrasion or leakage, the brake lines will be repositioned.if there is abrasion or a leak is evident the brake line will be repaired.if necessary, both of the rear brake lines will be replaced. Though ford does not admit to a safety-defect in the subject components, odi believes that the facts in this investigation show otherwise because the insufficient clearance in the routing of those brake lines may result in leaks in those lines that may result in increased stopping distances.odi is designating the campaign a safety recall (the federal safety agency recall no. 05v‑086).because of the low rates of brake line failures in the remaining subject vehicles, a safety-related defect has not been identified in those populations and further use of agency resources does not appear to be warranted.the closing of this investigation does not constitute a finding by the federal safety agency that no safety-related defect exists in those vehicles.the agency reserves the right to take further action if warranted by the circumstances.for additional information, see the attached closing report.

EA03012

Rear brake line failureOpened March 11, 2003, closed July 25, 2003

Odi has received 40 complaints alleging rear brake line failure in the subject vehicles, including 8 that have been received this year.an additional 192 reports and 478 warranty claims have been received from ford.a leak in the rear brake line can cause extended stopping distance.a search of odi's complaint database for peer vehicle complaints, using the same brake line failure criteria as for the subject vehicles and the same model years (1995-97), identified only 1 complaint involving general motors caprice/implala/88/98/regal vehicles and only 2 complaints involving chrysler lh-cars.the investigation has been upgraded to an engineering analysis to further evaluate the frequency, scope, and causal factors related to rear brake line failures in the subject vehicle population.

RQ03004

Ball joint separationOpened January 3, 2003, closed June 3, 2003

See attached report.

RQ03002

Speed control deactivation switch firesOpened September 6, 2002, closed June 30, 2004

Based on the low rate of fire incidents (2.5 incidents per 100,000 vehicles sold) where failure of the scds is involved and the age of the vehicles ? 7 to 11 years ? A safety-related defect trend has not been identified and further use of agency resources does not appear to be warranted.the closing of this investigation does not constitute a finding by the federal safety agency that no safety-related defect exists.the agency reserves the right to take further action if warranted by the circumstances.for additional information, see the attached closing report.

EA02025

Fuel-fed firesOpened August 22, 2002, closed December 4, 2002

The fars data shows that the risk of fire from impact in all directions in the subject vehicles is the same as all other sedans.the subject vehicles are not over represented with respect to the risk of fire in real-world high-energy crashes.a further discussion of issues related to post crash fires in the subject vehicles is set out in the closing report for sq 01-014 and that report is in the docket for this petition.after reviewing the petition and its supporting materials, as well as information furnished by ford and gm, and information within the agency's possession from previous investigations and other related actions,the federal safety agency has concluded that futher investigation concerning post-crash fires in the subject vehicles is not likely to lead to a decision that the vehicles contain a safety defect.

DP02007

Post rear end collision firesOpened November 27, 2001, closed October 3, 2002

There is no summary currently available

SQ01014

Technical service bulletins for the 1997 Mercury Grand Marquis 133

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 133 bulletins for the 1997 Mercury Grand Marquis

1997 Mercury Grand Marquis fuel economy

Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.

EngineDriveCityHighwayCombined
4.6L 8‑cylRWD152318

What 1997 Mercury Grand Marquis owners say

Most recent owner complaints, unedited.

Filed Apr 21, 2020 · Transmission · 123,000 miles · TX

Put car in park, and it showed to be in park. But, it was in reverse, going backward, and almost caused an accident.

Filed Sep 17, 2019 · Acceleration, Brakes · 112,000 miles · CA

The speedometer not working properly brakes not working properly ABS light on steering and suspension cross sit

Filed Sep 9, 2019 · Steering, Suspension · 150,000 miles · MD

I am an automotive technician and I service many vehicles daily. I currently own a 97 mercury grand marquis ls and have noticed that practically most steering components on my vehicle are in need of replacing. Specifically the tie rod ends, control arms, ball joins all have blown bushings and a pitman arm.... The steering sways so hard on this vehicle. I have noticed that customer's vehicles that I have worked on that are similar to the crown vic, and the marquis are showing signs of steering component concern as well. I see more fords with steering issues than any other vehicle that I service. The vehicles also seem to have issues with anyone sitting in the back that the body will scrape the tires and there are multiple electrical issues. I have had to rig my vent door actuator and I have had to install a shut off switch due to a parasitic draw that I can not locate even with a volt meter. After researching on forums and watching countless youtube videos of owners stating these known issues I believe that it is beyond maintenance standards for these parts all to be faulty from this car manufacturer.

Filed Sep 15, 2016 · Brakes, Seat belts · NC

Recall while driving the steering wheel seems very loose as if its about to come off

Filed May 24, 2016 · Steering · NJ

I have to put it on neutral most of the time with emg brake on. Because the gearshift is hard to put in park. My car only has 92,000 miles.

Filed Jul 1, 2015 · Brakes · 88,000 miles · NJ

Rusty brake line failed. Leaked brake fluid resulting in loss of braking. All brake lines look rusty. What happened to stainless steel brake lines?

Filed May 11, 2015 · Tires · AZ · crash

I bought a set of 4 brand new bridgestone turanza serenity plus 225/60r16 tires on april 26, 2015, and have them installed on my wife's car. My wife and two kids were driving to phoenix on I-10 on a clear and sunny day on may 9, 2015 to visit a friend. She said she was driving at the speed limit of 75 MPH and wanted to pass a semi-truck on her right so she speed up to pass the semi-truck. She noticed the steering wheel began to vibrate violently and she held on the steering wheel as hard as she can. Then she lost control of the car and it began to swerve in the direction of the semi-truck. The car struck the side of the semi-truck and the window glass on the front and the rear passenger side shattered and also the rear windshield shattered because the roof of the car was bent. After the impact, my wife's car then swerved to the left and went into a ditch filled with weeds and bushes on the left side of the road. Luckily the car did not flip and everyone in the car was ok because they all were wearing their seat belts. They were shaken up a bit but the ordeal was traumatizing. They were also lucky because there was no car in front or behind them at the time of the accident. The police, fire truck, and ambulance came and examined everything. They noticed that there was a bubble on the sidewall of the front tire on the passenger side. For insurance sake, the police said my wife was at fault because she was speeding while trying to pass the semi-truck and lost control. I believe she lost control because the bridgestone turanza tire was coming apart and cause the steering wheel to shake uncontrollably. The car was totaled and I will never buy another bridgestone tire again.

Filed Feb 9, 2015 · Engine, Transmission · 97,130 miles · NE

Coolant leak from crack in plastic intake manifold. This car only has 97,130 miles on it and well cared for. They should not be using plastic in this application - it should be iron or aluminum. This is a common problem I was told with the 4.6 v8 engine. Ford needs to recall these and replace at no cost to customer. I will be writing a letter to ford if the dealer doesn't cover this as a recall. Ridiculous to use plastic in this application.

Filed Oct 8, 2014 · Suspension · 112,000 miles · OH

Tl* the contact owns a 1997 mercury grand marquis. While driving in reverse, the contact heard a loud abnormal noise and the suspension collapsed on the front driver side. The vehicle was towed to an independent mechanic who diagnosed that the lower ball joint separated and needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The approximate failure mileage was 112,000.

Filed May 29, 2014 · Electrical · 178,724 miles · FL

Twice this happened I was driving and the car just turned off I couldn't control the wheel I had to hurry and put it on natural and start the car again, and put it in drive. Can you tell me if there was a recall on this vehicle it really scared me I was on the main highway or can you tell me what the problem is.

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Questions about the 1997 Mercury Grand Marquis

Is the 1997 Mercury Grand Marquis reliable?

Owners have filed 315 complaints about the 1997 Mercury Grand Marquis, 3.3 times a typical Grand Marquis model year.

What is the most common problem with the 1997 Mercury Grand Marquis?

Engine and cooling, with 126 complaints, typically around 80,800 miles. Next is brakes (35).

How many recalls does the 1997 Mercury Grand Marquis have?

4 recalls, covering vehicle speed control and seat belts.

What year does the Mercury Grand Marquis have bad engine?

The Mercury Grand Marquis model years with the most engine complaints are 1997 (126 complaints), 1996 (86 complaints) and 1999 (33 complaints).

What gas mileage does the 1997 Mercury Grand Marquis get?

Official estimates for the 1997 Mercury Grand Marquis range from 18 mpg combined. The most efficient version (4.6L 8-cyl, RWD) gets 15 city and 23 highway.

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