Table 1 shows seven common power train related problems of the 2004 Mercury Grand Marquis. The number one most common problem is related to the automatic transmission (three problems). The second most common problem is related to the vehicle shudder (one problem).
: the contact stated while approaching a stop under normal braking, the vehicles engine revs and surges forward. The brake pedal must be depressed to the floor to stop the vehicle. This happened 5 times and the vehicle was inspected by the dealer however; the problem could not be duplicated. Read details...
Tl-the contact owns a 2004 Mercury Grand Marquise. The contact stated that while turning, the vehicle grinding and made a loud grinding noise. The vehicle was taken to an independent mechanic for diagnosis where it was stated the pin barron needed to be replaced. Read details...
: the contact stated while shifting from drive to park the gear locked in reverse and while driving at low speeds at night the headlights would not go from low beam to high beam. Additionally, the tires slowly deflate. The dealership was alerted. Read details...