1991 Mercury Grand Marquis Transmission and drivetrain Problems
- Complaints
- 8about this part
- Share
- 10%of 82 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 8 complaints about the transmission and drivetrain of the 1991 Mercury Grand Marquis, 10% of the 82 complaints for this model year. 1 of these say a crash was involved, according to the filers. 1 recall campaign on record is filed under a similar system.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I parked my car in my driveway and got out. The car was in park and I was standing at my opened door reaching to open the passanger door. The car shifted to reverse . It knocked me down and ran over me with the front tire. It ran over my legs and chest. It then scrapped and dented my wife's car, and was halted by running in to the rear end of my neighbor's car across the street. He is a police officer and he filed the report. My insurance company will not cover any more of my medical bills. I have not been able to work since the accident. I had just had knee surgery before this happened. …”
NHTSA complaint #748041, filed 2001-07“The vehicle had been through 3 transmissions, a water pump, brakes, muffler, tailpipe, shocks and electrical door latches. The engine check light comes on intermittently. .et.”
NHTSA complaint #833324, filed 1999-01“While driving the grommet fell out, resulting in a drainage of the transmission fluid, causing the transmission to slip. The dealer has been notified.”
NHTSA complaint #819673, filed 1997-12Related recalls
- 91V048000Mar 18, 1991The park rod assembly contains a park cam with inadequate surface hardness, which could lead to park disengagement or no park engagement when the lever is…Covers: Mercury Grand Marquis 1991, Ford Mustang 1991, Crown Victoria 1991 +2 more
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 2 | 8% |
| 2009 | 2 | 8% |
| 2008 | 3 | 4% |
| 2007 | 5 | 5% |
| 2006 | 4 | 3% |
| 2005 | 5 | 1% |
| 2004 | 9 | 3% |
| 2003 | 12 | 3% |
| 2002 | 1 | 1% |
| 2001 | 13 | 8% |
| 2000 | 6 | 4% |
| 1999 | 12 | 7% |
| 1998 | 8 | 6% |
| 1997 | 12 | 4% |
| 1996 | 15 | 6% |
| 1995 | 11 | 6% |
| 1994 | 18 | 12% |
| 1993 | 29 | 20% |
| 1992 | 29 | 11% |
| 1991 | 8 | 10% |
| 1990 | 6 | 11% |
| 1989 | 6 | 10% |
| 1988 | 4 | 5% |
| 1987 | 1 | 2% |
| 1986 | 1 | 5% |
| 1985 | 1 | 5% |
| 1983 | 3 | 43% |
Other parts of the 1991 Mercury Grand Marquis
21 complaintsBrakes
13 complaintsVehicle speed control
12 complaintsAir bags
11 complaintsEngine cooling
10 complaintsFuel system
4 complaintsBody and structure
4 complaintsExterior lighting
3 complaintsOther or unknown
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsLatches, locks and linkages
2 complaintsSuspension
2 complaints
← All problems reported for the 1991 Mercury Grand Marquis
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology