Power Train Related Problems of the 1999 Mercury Grand Marquis

Table 1 shows nine common power train related problems of the 1999 Mercury Grand Marquis. The number one most common problem is related to the automatic transmission (four problems). The second most common problem is related to the power train (two problems).


Recently reported Power Train problems of the 1999 Mercury Grand Marquis

The Automatic Transmission problem

Consumer was having a bouncy & rough ride. Dealer said it could be the transmission. Also, driver's side seat rattles when getting in & out. Dealer has tightened the bolts. Seat is loose, and if in an accident it could be a risk. Dealer was replacing the parts.   Read details...

The Power Train problem

Plastic intake manifold on 4. 6 liter engine found to be cracked and leaking coolant. The loss of coolant results in the vehicle becoming disabled and/or unsafe to drive. Leaking coolant is also toxic to children and animals, as they are more likely to be in contact with coolant on the ground or   Read details...

The Automatic Transmission Column Shift problem

The shift lever would not move from park to drive.   Read details...


Power Train related problems in other Mercury Grand Marquis model year vehicles:



Fuel Economy of Grand Marquis Vehicles
Grand Marquis Service Bulletins
Grand Marquis Safety Recalls
Grand Marquis Defect Investigations