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1999 Mercury Grand Marquis Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 Mercury Grand Marquis

1999 Mercury Grand Marquis Problems

The car had 64600 miles on it and the headlights started going out while driving, which can be very dangerous. The problem is in the Light Control Module which is an expensive part (around $500 to $600 + labor).

The composite (plastic) intake manifold may crack near the thermostat housing and cause a coolant leak. Ford released an updated manifold that was reinforced to prevent a recurrence. No recall was issued for this problem but Ford did extend the warranty to seven years on some models from the date of purchase.

A spring in the seat belt buckle may wear or fail, causing the airbag light on the instrument panel to illuminate. Failed buckles will require replacement.

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1999 Mercury Grand Marquis Recalls

VEHICLE DESCRIPTION: PASSENGER VEHICLES USING AFTERMARKET DRIVER'S SEAT BELT ASSEMBLIES THAT WERE SOLD BY FORD PARTS DEPARTMENTS FROM JANUARY 1, THROUGH JUNE 13, 2000. THESE SEAT BELT ASSEMBLIES FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 209, "SEAT BELT ASSEMBLIES." THE EQUIPMENT INVOL...VEHICLE DESCRIPTION: PASSENGER VEHICLES USING AFTERMARKET FRONT PASSENGER SIDE SEAT BELT ASSEMBLIES THAT WERE SOLD BY FORD PARTS DEPARTMENTS FROM JANUARY 1, THROUGH JUNE 13, 2000. THESE SEAT BELT ASSEMBLIES FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 209, "SEAT BELT ASSEMBLIES." THE EQU...VEHICLE DESCRIPTION: PASSENGER VEHICLES. THESE VEHICLES HAVE JACKING INSTRUCTIONS WHICH, IF FOLLOWED, COULD CAUSE THE VEHICLE OPERATOR TO PLACE THE JACK ON A FRAME WELD WHEN ATTEMPTING TO RAISE A REAR WHEEL. IF THE VEHICLE IS JACKED UP WITH THE JACK PLACED ON THE FRAME WELD AND IF THE VEHICLE ...

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1999 Mercury Grand Marquis Reviews

Best car I ever had (and I had over 30 so far). Bought it used with 163,000 miles, and it drives way better than anything else I know.

1999 GRMARQUI Have TEPID HEAT.. Have changed thermastat flushed out heater core Still very LOW heat

Got my car 2nd hand at 120,000 miles. Just got 270,000 miles on it last week, avg 550 miles a week to work and back home. THe problems i have had are cracked intake manfold (plastic), air compressor, ac/hvac control mod ($500 new, $50 savage), and need to replace rotors (still first set). One coil pack to the spark plugs went bad, still drove on 7 cylinders (till i mad to to the shop). Still...

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