1991 Mercury Grand Marquis problems, complaints & recalls
Most-reported problem areas: Electrical System:alternator/Generator/Regulator (10) · Vehicle Speed Control (8) · Service Brakes, Hydraulic:foundation Components:disc:rotor (4)
🧭 Reliability snapshot
Compared against other Mercury Grand Marquis model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (40)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Visibility:windshield Wiper/Washer:motor 2002-05-27 · 02107 · Service Bulletin/Repair Instructions
transfer service tips for the front wiper motor mount bracket and depressed park output arm. *tt
Electrical System 2001-10-01 · 01194 · Service Bulletin/Repair Instructions
this aritlce is to provide information on replacement of old style hood lamp switch to the rvised mechanical hood lamp switch. *tt
Unknown Or Other 2001-08-06 · 01157 · Service Bulletin/Repair Instructions
information regarding transmission fluid usage charts. *slc
Visibility:defroster/Defogger/Hvac System:heater Core 2001-08-06 · 01156 · Service Bulletin/Repair Instructions
some vehicles may exhibit heater core leaks. *slc
Visibility:windshield Wiper/Washer 2001-06-25 · 011201 · Service Bulletin/Repair Instructions
this information is a supplement to the wiper system service information provided in the workshop manuals. this service information is intended as an aid to assist in diagnosis and repair of erratic wiper system conditions. *tt
Power Train:automatic Transmission:cooling Unit And Lines 2000-11-13 · 002310 · Service Bulletin/Repair Instructions
subject regarding contamination from prior transmission concerns or excess wear may be trapped in the transmission fluid cooling system. *tt
Showing the 6 most recent of 40 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.