1990 Mercury Grand Marquis Transmission and drivetrain Problems
- Complaints
- 6about this part
- Share
- 11%of 56 total for the year
- Median mileage
- 127,989miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the transmission and drivetrain of the 1990 Mercury Grand Marquis, 11% of the 56 complaints for this model year. Where a mileage was given, the median is 127,989 miles.
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.
“While driving automatic transmission doesn't shift properly from the first gear, wont shift. Dealer notified. Vehicle was taken to independent shop and overhauled. Transmission at cost over $1000.00”
NHTSA complaint #10027039, filed 2003-08, 127,989 miles“Problems with transmission malfunctioning. When the vehicles accelerator pedal was pressed it became stuck to the floor of the vehicle. The vehicle was taken to a dealer who indicated that the insulator cap fell off. The technician said this was a common problem with these vehicle.”
NHTSA complaint #10042141, filed 2003-09“The grommet that connects rod from transmission to fuel supply is made out of plastic and is very close to the manifold. Over time it overheats and starts to corrode and causes extensive transmission failures. The consumer has replaced the plastic part with metal grommets to prevent this from happening again.”
NHTSA complaint #521868, filed 1997-09Transmission 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 1990 Mercury Grand Marquis
13 complaintsAir bags
9 complaintsVehicle speed control
9 complaintsBrakes
8 complaintsEngine cooling
3 complaintsBody and structure
3 complaintsFuel system
2 complaintsOther or unknown
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsEngine
1 complaintsSeats
1 complaintsTires
1 complaints
← All problems reported for the 1990 Mercury Grand Marquis
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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