1986 Mercury Grand Marquis Transmission and drivetrain Problems
- Complaints
- 1about this part
- Share
- 5%of 21 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the transmission and drivetrain of the 1986 Mercury Grand Marquis, 5% of the 21 complaints for this model year.
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.
“My 1986 Mercury Grand Marquis goes forward when putting the transmission into reverse. There have been many close calls when someone who does not know my car tries to drive it (car wash people, mechanics, relatives, etc.). I believe the linkage going to my dashboard is not working correctly.”
NHTSA complaint #10062544, filed 2004-03Transmission 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 1986 Mercury Grand Marquis
11 complaintsEngine cooling
4 complaintsBrakes
2 complaintsSteering
1 complaintsBody and structure
1 complaintsTires
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 1986 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