FaultScore

1993 Mercury Grand Marquis brake problems

26 of the 178 complaints about the 1993 Mercury Grand Marquis are about the braking system — 15% of everything reported for this model year. Half of the failures with a mileage on record happened before 87,186 miles.

C

26

Complaints

0

Crashes

1

Fires

0

Injuries

Exactly what failed

Rotor 7 26.9%
Antilock/Traction Control/Electronic Limited Slip 6 23.1%
Foundation Components 2 7.7%
Pads 2 7.7%
Vacuum 2 7.7%
Hoses, Lines/Piping, AND Fittings 2 7.7%
Disc 1 3.8%
Caliper 1 3.8%
Differential Proportional Valve 1 3.8%
Lamp 1 3.8%

Brakes across every Mercury Grand Marquis year

1991 15 5.0%
1992 55 18.2%
1993 26 8.6%
1994 26 8.6%
1995 34 11.2%
1996 25 8.3%
1997 36 11.9%
1999 10 3.3%
2000 20 6.6%
2001 16 5.3%
2005 18 5.9%
2006 12 4.0%
2008 10 3.3%

What owners said

Filed with NHTSA, in their own words.

at 63 miles Tenafly, NJ

SERVICE BRAKES, HYDRAULIC

BRAKES FAILED, BRAKES LIGHT WENT ON PULLED OVER CHECKED THE FLUID IT WAS EMPTY I CALLED A TOW TRUCK AND TOOK IT TO MY SERVICE STATION . BRAKE LINES WERE ROTTED , IN ORDER TO FIX THE BRAKE LINES THEY WOULD HAD TO TAKE THE BODY OF THE CAR OFF THE CHASSIE TO FIX THEM TWO EXPENSIVE THAT WAY . HAD THEM CUT THE LINES THAT WERE BAD AND REROUTE THE LINES ON THE OUTSIDE OF THE FRAME . A YR LATER SAME THING HAPPEN AGAIN THE FIRST TIME THE CAR HAD 63,000 MILES ON IT . THIS TIME THE CAR HAS 76,000 MILES ON IT .CAR IS NOW AT THE SHOP TO SEE WHAT THEY CAN DO TO FIX THIS PROBLEM AGAIN . THE CAR IS A 1993 GRAND MARQUIS WITH ABOUT 73,000 MILES ON IT THE CAR WAS BROUGHT NEW FROM THE DEALER AND WAS KEPT IN EXCELLENT RUNNING CONDITION ALL THESE YRS.

NHTSA complaint #10267553 — an unverified report by a vehicle owner.

at 140,539 miles Conroe, TX Fire

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

THE VEHICLE WAS PARKED AND WITHOUT WARNING THE VEHICLE CAUGHT ON FIRE AND BURNED DOWN THE HOUSE. THE FIRE DEPARTMENT WAS CALLED TO EXTINGUISH THE FIRE. THE VEHICLE WAS TOWED AND WAS DECLARED TOTALED BY THE INSURANCE COMPANY. *AK THE FIRE ORIGINATED ON THE DRIVER'S SIDE OF THE ENGINE COMPARTMENT. THE CONSUMER MENTIONED THAT THE HE EXPERIENCED PROBLEMS WITH THE IGNITION SYSTEM, ABS SYSTEM AND SHIFTER. THERE WAS GRINDING WHEN THE VEHICLE WAS STOPPED AND THE GEAR SHIFT WOULD NOT SHIFT INTO DRIVE ONCE THE VEHICLE WAS STARTED. THE ABS PUMP, MOTOR RELAY, BRAKE LAMP SWITCH AND SWITCH WIRING HARNESS WERE REPLACED. (THERE WERE TWO PURCHASE DATES: 7/16/1996 AND 8/09/1996) *SC

NHTSA complaint #10109366 — an unverified report by a vehicle owner.

at 87,186 miles Lawrence, KS

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

WHILE DRIVING AT HIGHWAY SPEEDS BRAKES FAILED DUE TO A CORRODED BRAKE LINE. DRIVER WAS ABLE TO STOP THE VEHICLE USING THE EMERGENCY BRAKE. *AK THE BRAKE PEDAL OFFERED NO RESISTANCE, IT TRAVELING TO THE FLOOR. MECHANIC NOTICED HEAVY CORROSION ON THE BRAKE LINES AND FUEL LINES LEADING FROM THE MASTER CYLINDER ALL THE WAY BACK. ESTIMATE FOR COMPLETE REPLACEMENT WAS $1140. DOLLARS. UPON EXAMINING THE UNDER BODY OF THE VEHICLE THE MECHANIC STATED THE CORROSION WAS UNUSUALLY HIGH. HE PROCEEDED TO REPLACE THE REAR BRAKE LINES , AS THE FRONT BRAKES LINES WEREN'T SO BADLY CORRODED WHICH WAS $740. DOLLARS. AS OF TODAY, THERE HAS BEEN NO INJURIES, CRASHES AND ONLY THE REAR BRAKE LINES WERE REPLACED. *PH *NLM

NHTSA complaint #10043955 — an unverified report by a vehicle owner.

Loudonville, OH

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

WHEN APPLYING THE BRAKES THERE IS A VIBRATION PRESENT, AND VEHICLE STUTTERS TO A STOP. DEALER SAYS VEHICLE NEEDS NEW DISC BRAKES. THE ROTORS HAVE BEEN TURNED ONCE DUE TO HARD SPOTS.

NHTSA complaint #848031 — an unverified report by a vehicle owner.

Loudonville, OH

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC

WHEN APPLYING THE BRAKES THERE IS A VIBRATION PRESENT, AND VEHICLE STUTTERS TO A STOP. DEALER SAYS VEHICLE NEEDS NEW DISC BRAKES. THE ROTORS HAVE BEEN TURNED ONCE DUE TO HARD SPOTS.

NHTSA complaint #848031 — an unverified report by a vehicle owner.

Hamden, CT

SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

BRAKE POWER BOOSTER MALFUNCTIONED, CAUSING BRAKE PEDAL TO STAY TO THE FLOOR,RESULTING IN MORE WEAR AND TEAR ON THE BRAKING SYSTEM. HAD THE BOOSTER REPLACED 3 TIMES. PLEASE PROVIDE FURTHER INFORMATION AND VIN#.

NHTSA complaint #844080 — an unverified report by a vehicle owner.

Sistersville, WV

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

FRONT AND REAR BRAKE ROTORS ARE PREMATURELY WEARING OUT WHICH CAUSES THEM TO BE CONSTANTLY RESURFACED OR REPLACED. CAUSE UNKNOWN.

NHTSA complaint #831512 — an unverified report by a vehicle owner.

Milford, CT

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

ABS BRAKING SYSTEM MALFUNCTIONED, CAUSING ABS SYSTEM TO ACTIVATE WHEN IT WAS NOT SUPPOSE TO, CAUSING EXTENDED STOPPING DISTANCE WHICH MAY RESULT IN A CRASH. PLEASE PROVIDE FURTHER INFORMATION AND VIN#.

NHTSA complaint #837571 — an unverified report by a vehicle owner.

Barefoot B, FL

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

STEEL BRAKE LINES CORRODED CAUSING LEAKING.

NHTSA complaint #510943 — an unverified report by a vehicle owner.

Rockville, MD

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

FRONT BRAKES VIBRATE.

NHTSA complaint #517006 — an unverified report by a vehicle owner.

Barefoot BAY, FL

SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING: LAMP

TWO STEEL BRAKE LINES CORRODED, CAUSING LEAK.

NHTSA complaint #511016 — an unverified report by a vehicle owner.

Virginia Beach, VA

SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

BRAKE BOOSTER/ACCUMULATOR FAILED, CAUSING BRAKES TO OVERHEAT.

NHTSA complaint #511744 — an unverified report by a vehicle owner.

Tampa, FL

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

ABS: WHEN ATTEMPTING TO APPLY BRAKES, BRAKE PEDAL WENT VERY LOW TO FLOOR, BRAKE FLUID LEAKED OUT, CAUSING DECREASE IN BRAKING ABILITY, CONSUMER DOES NOT OWN ANYMORE THIS VEHICLE.

NHTSA complaint #801879 — an unverified report by a vehicle owner.

Cincinnati, OH

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

THE FRONT AND BACK BRAKE ROTORS ARE WARPING EVERY 7000 MILES. PLEASE DESCRIBE.

NHTSA complaint #802224 — an unverified report by a vehicle owner.

Grand Island, NY

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

ABS, BRAKE FAILURE, REAR CALIPERS CORROSION WHICH CAUSED THE WEAR OF DIS PADS AND ROTORS. *AK CONSUMER STATES IT APPEARS THAT REAR CALIPERS BECAME SEIZED SHORTLY AFTER DELIVERY TO THE ORIGINAL OWNER BECAUSE VOTH OUTSIDE REAR BRAKE PADS SHOW VIRTUALLY NO WEAR WHILE BOTH INSIDE REAR BRAKE PADS ARE COMPLETELY WON DOWN TO THE METAL BACKING PLATES ABS LIGHT WAS ALSO COMING ON.

NHTSA complaint #985397 — an unverified report by a vehicle owner.

Grand Island, NY

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

ABS, BRAKE FAILURE, REAR CALIPERS CORROSION WHICH CAUSED THE WEAR OF DIS PADS AND ROTORS. *AK CONSUMER STATES IT APPEARS THAT REAR CALIPERS BECAME SEIZED SHORTLY AFTER DELIVERY TO THE ORIGINAL OWNER BECAUSE VOTH OUTSIDE REAR BRAKE PADS SHOW VIRTUALLY NO WEAR WHILE BOTH INSIDE REAR BRAKE PADS ARE COMPLETELY WON DOWN TO THE METAL BACKING PLATES ABS LIGHT WAS ALSO COMING ON.

NHTSA complaint #985397 — an unverified report by a vehicle owner.

Grand Island, NY

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

ABS, BRAKE FAILURE, REAR CALIPERS CORROSION WHICH CAUSED THE WEAR OF DIS PADS AND ROTORS. *AK CONSUMER STATES IT APPEARS THAT REAR CALIPERS BECAME SEIZED SHORTLY AFTER DELIVERY TO THE ORIGINAL OWNER BECAUSE VOTH OUTSIDE REAR BRAKE PADS SHOW VIRTUALLY NO WEAR WHILE BOTH INSIDE REAR BRAKE PADS ARE COMPLETELY WON DOWN TO THE METAL BACKING PLATES ABS LIGHT WAS ALSO COMING ON.

NHTSA complaint #985397 — an unverified report by a vehicle owner.

Grand Island, NY

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

ABS, BRAKE FAILURE, REAR CALIPERS CORROSION WHICH CAUSED THE WEAR OF DIS PADS AND ROTORS. *AK CONSUMER STATES IT APPEARS THAT REAR CALIPERS BECAME SEIZED SHORTLY AFTER DELIVERY TO THE ORIGINAL OWNER BECAUSE VOTH OUTSIDE REAR BRAKE PADS SHOW VIRTUALLY NO WEAR WHILE BOTH INSIDE REAR BRAKE PADS ARE COMPLETELY WON DOWN TO THE METAL BACKING PLATES ABS LIGHT WAS ALSO COMING ON.

NHTSA complaint #985397 — an unverified report by a vehicle owner.

Crofton, MD

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

DRIVER EXPERIENCES ERRATIC OPERATION OF THE BRAKES WHEN APPLYING BRAKES,THEY GRAB.

NHTSA complaint #982380 — an unverified report by a vehicle owner.

Concord TW, OH

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

ANTILOCK BRAKES FAILED, CAUSING LOSS OF CONTROL.

NHTSA complaint #502749 — an unverified report by a vehicle owner.

Elba, NY

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE

PROPORTIONING VALVE ON THE BRAKES HAS FAILED, ONLY FRONT ACTIVATE. TT

NHTSA complaint #976379 — an unverified report by a vehicle owner.

Syracuse, NY

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

WARPED BRAKE ROTORS DUE TO FACTORY NOT HEAT TREADING ROTORS, CAUSED CALIPERS TO SEIZE/BRAKES TO PULSATE. *SKD

NHTSA complaint #482239 — an unverified report by a vehicle owner.

Mattapoisett, MA

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

BRAKES VIBRATE/PULSATE BADLY WHEN APPLIED; FRONT/REAR ROTORS WARPED. TT

NHTSA complaint #965020 — an unverified report by a vehicle owner.

Manchester, MO

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

WARPED FRONT ROTORS, CAUSING VEHICLE TO PULL UPON APPLICATION OF BRAKES.

NHTSA complaint #962249 — an unverified report by a vehicle owner.

Kissimmee, FL

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

1) ELECTRICAL SYSTEM FAILS WITH ERRATIC OPERATION OF LIGHTS AND SEVERE STALLING. 2) BRAKE SYSTEM FAILS WITH PEDAL GOING TO FLOOR. UNABLE TO DETECT FLUID LOSS.

NHTSA complaint #960601 — an unverified report by a vehicle owner.

Louisville, KY

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

WAS ON THE ROAD DRIVING 55MPH SLOW DOWN TO GET ON THE HIGHWAY TRY TO STOP USING BRAKE WOULDN'T STOP PUT INTO NEUTRAL STILL WOULDN'T STOP PUT INTO PARK CAR STOP.

NHTSA complaint #958923 — an unverified report by a vehicle owner.

Other 1993 Mercury Grand Marquis problems

← Full 1993 Mercury Grand Marquis report