2004 Mercury Mountaineer Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2004 Mercury Mountaineer, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Body & structure7931.2%
- Transmission3614.2%
- Powertrain (other)3011.9%
- Driver assistance228.7%
- Engine197.5%
- Electrical166.3%
- Airbags124.7%
- Visibility72.8%
- Suspension62.4%
- Other / unspecified62.4%
- Brakes62.4%
- Steering52.0%
- Interior & seats41.6%
- Fuel system20.8%
- Seat belts10.4%
- Tires & wheels10.4%
- Heating & air conditioning10.4%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
OPERATING THE TAILGATE WINDOW HINGES BROKE OFF SCREWS APPEARED TO HAVE SEVERE CORROSION VEHICLE WAS STATIONARY
1. PAINT COMING OFF OF ROOF AND DRIVER'S DOOR. 2. REAR PASSENGER SIDE AND DRIVER SIDE POWER WINDOWS NOT WORKING. 3. CRACKS IN PLASTIC AREA OF REAR LIFT GATE AROUND WIPER ARM. 4. ALMOST LOST CONTROL AND POTENTIAL ACCIDENT ON INTERSTATE WHEN RIGHT REAR WHEEL CAME LOOSE.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
This vehicle is has a power train problem from day one with the 5R55S/W transmission and AWD transfer case. I purchased this vehicle where it stranded my family over 200 miles from home and it's a non running car. This vehicle should have been removed from being sold with this defect and crushed! I will never buy a FoundOnRoad Dead ford pos ever. The transmission went into neutral with out any notice. To repair the faulty drive train I will cost me aprox $2400.00 mileage 152,000 third time the drive train has been worked on.. There tranmissions were failing in a little as 50,000 miles.
TL* THE CONTACT OWNS A 2004 MERCURY MOUNTAINEER. THE CONTACT STATED THAT A LOUD POPPING NOISE COULD BE HEARD WHENEVER THE VEHICLE WAS SHIFTED INTO REVERSE. THE CONTACT ALSO STATED THAT THE VEHICLE WOULD JERK INTO REVERSE AND A BURNING ODOR WAS PRESENT DURING ONE OF THE OCCURRENCES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT REPAIR SHOP ON VARIOUS OCCASIONS AND THE CONTACT WAS INFORMED THAT THE TRANSMISSION FLUID NEEDED TO BE REPLACED. THE TRANSMISSION FLUID WAS REPLACED ON NUMEROUS OCCASIONS, BUT THE FAILURE CONTINUED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 100,000. UPDATED 10/4/11 *CN UPDATED 10/21/11
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
FAILURE OF FRONT DIFFERENTIAL MOUNT CARRIER BUSHINGS FAILURE LEADING TO TWO TRANSMISSION REBUILTS,TRANSFER CASE REBUILD, AND OVER $5000.00 IN REPAIRS. FAILURE OF CARRIER BUSHINGS WOULD LEAD TO FRONT END LOCKING UP. CAUSING A JACKHAMMER AFFECT ON THE DRIVETRAIN OF THE VEHICLE. TO CLOSE CALLS DUE TO FRONT END LOCKING UP. ACCIDENTS WERE AVOIDED DUE TO DRIVER VIGILANCE. HAVE PICTURES OF BUSHINGS AND WHAT'S LEFT OF THE BUSHINGS.
TL* THE CONTACT OWNS A 2006 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHILE DRIVING 70 MPH, THE VEHICLE LOST POWER WITHOUT WARNING. THE VEHICLE WAS MERGED TO THE SIDE OF THE ROAD WHERE IT WAS RESTARTED. HOWEVER, THE VEHICLE FAILED TO ACCELERATE PAST 35 MPH. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE TECHNICIAN DIAGNOSED THAT THE POWER TRAIN NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS 99,000. THE VIN WAS NOT AVAILABLE.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
ENGINE DIED HAS REPEATED ONLY A FEW TIMES AT OR ABOVE 50MPH OVER SPAN OF TIME
I HAD PICKED UP MY KIDS FROM DAYCARE AND I PUT MY VEHICLE IN REVERSE AND BACKED UP. WHILE BACKING UP I HEARD A LOUD POP AND I GOT OUT TO SEE BUT THERE WAS NOTHING VISIBLE. SO I PUT THE VEHICLE IN DRIVE AND AS I WAS GOING DOWN THE STREET MY VEHICLE AXLE BROKE AND MY TRUCK HIT THE STREET IN THE MIDDLE OF TRAFFIC. I TOOK IT TO THE FORD DEALERSHIP AND THEY SAID IT WAS MY AXLE AND MY DIFFERENTIAL HAD BROKEN ALSO, AM I AM LUCKY THAT I DIDN'T HAVE A BAD ACCIDENT WITH THE EXTEND OF THE DAMAGE OF THE DIFFERENTIAL. AFTER I FIXED THAT AND IT COST $2900. THAT STILL DID NOT FIX THE PROBLEM AND I HAD TO REPLACE THE TRANSFER CASE. THEN ALL THREE OF MY CADILLAC CONVERTERS HAD TO BE REPLACED. I HAVE HAD PROBLEM AFTER PROBLEM AND OH YEAH THE BACK REAR GATE HAS BEEN CRACKED LIKE THE MONTH AFTER I BOUGHT IT. *TR
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
MY VEHICLE SHUTS OFF WHILE DRIVING. NO WARNING, LOSES POWER STEERING, LOSES POWER BRAKES. IT WILL START RIGH BACK UP ONCE I SHIFT INTO PARK. THIS HAPPENS AT ALL DIFFERENT SPEEDS AND TEMPERATURES. I COULD HAVE JUST GOT IN THE CAR OR BEEN DRIVING FOR HOURS. HAPPENS AT 15MPH AND 60MPH JUST THE SAME. HAVE ALMOST BEEN HIT FROM BEHIND OF SEVERAL OCCASIONS WHEN THIS HAS HAPPENED.
THIS VEHICLE IDLES VERY LOW AND STALLS AT VARIOUS SPEEDS. NO WARNING IS GIVEN ENGINE JUST SHUTS DOWN. SPARK PLUGS HAVE BLOWN TOTALLY OUT FROM THE ENGINE SEVERAL TIMES.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
MY WINDOWS WERE ROLLING DOWN WHEN I FIRST THEN ALL OF A SUDDEN STOPPED ROLLING DOWN
1. PAINT COMING OFF OF ROOF AND DRIVER'S DOOR. 2. REAR PASSENGER SIDE AND DRIVER SIDE POWER WINDOWS NOT WORKING. 3. CRACKS IN PLASTIC AREA OF REAR LIFT GATE AROUND WIPER ARM. 4. ALMOST LOST CONTROL AND POTENTIAL ACCIDENT ON INTERSTATE WHEN RIGHT REAR WHEEL CAME LOOSE.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
TAKATA RECALL AIR BAG LIGHT STAYS ON FOR NO APPARENT REASON... ALL THE TIME GRINDING NOISES WHILE TURNING LEFT OR RIGHT SOUNDS LIKE GEARS ARE FREELY SPINNING WHILE ENGAGED AND DRIVING. NO ISSUES WITH CHANGING GEARS AS FAR AS MECHANIC SAYS.
MY SON WAS DRIVING TO WORK ON AUGUST 6, 2015. SOMETHING HAPPENED, AND HE RAN OFF THE ROAD AND HIT A TREE. AT THAT POINT THE AIRBAG COVER FLEW TOTALLY OFF, INSTEAD AND FALLING DOWN AS IT IS SUPPOSED TO. THE COVER ITSELF GASHED MY SONS FOREHEAD FROM LEFT TO RIGHT, AND HE LOST HIS RIGHT EYE. THIS IS A TERRIBLE ACCIDENT. THE AIRBAGS CAME OUT SO FAST THAT THEY HAD BURN MARKS ON THEM. THESE AIRBAGS WERE SUPPOSED TO SAVE PEOPLES LIVES INSTEAD OF MANGLING THEIR FACES. SOMEONE NEEDS TO BE RESPONSIBLE FOR THIS HORRIFIC ACT....01/04/17 *BF *TR *CN
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2004 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHILE DRIVING, THERE WAS A POPPING NOISE FROM THE REAR OF THE VEHICLE. UPON INSPECTION, IT WAS DISCOVERED THAT THE REAR LIFT GATE WINDOW HAD SUDDENLY SHATTERED. THE CONTACT INDICATED THAT WINDOW WAS REPLACED BUT THE FAILURE REOCCURRED. AFTER REPLACING THE WINDOW A SECOND TIME THE CONTACT RECENTLY DISCOVERED THAT THE WINDOW PANEL AND GLASS HAD CRACK. THE CAUSE OF THE FAILURES WERE NOT DETERMINED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 80,000.
I TOOK MY CHILDREN TO DAYCARE CAME HOME AND PARKED IN THE DRIVEWAY. I CAME BACK OUT TWO MINUTES LATER AND THERE IS GLASS ALL OVER. THE BACK HATCH WINDOW EXPLODED, IT LOOKS LIKE IT GOT REALLY HOT AS SOME OF THE PLASTIC TRIM IS MELTED. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
HUMMING IN FRONT AT ALL SPEEDS FT WHEEL BEARINGS WHERE BAD. NOW RIGHT REAR BEARING MAKING NOISE. VERY LOOSE . LOTS OF OTHER COMPLAINTS ONLINE NEED TO BE LOOKED AT
THIS WILL NOW BE THE 5TH TIME WE HAVE REPLACED A BALL BEARING IN THIS [XXX] TRUCK ... THE FRONT DRIVER TWICE THE FRONT PASSENGER ONCE AND NOW THIS IS THE SECOND TIME FOR THE BACK DRIVER! THIS IS HORRIBLE! THERE HAS TO BE MORE OF AN ISSUE THEN JUST THAT IF IT KEEPS HAPPENING! I WILL BE CONTACTING MERCURY AND I PRAY SOMETHING GETS DONE! THIS IS NOT A CHEAP FIX EITHER! AND WHEN IT HAPPENS IT IS LIKE THE TIRE IS ABOUT TO FALL OFF IT WOULD IF THERE WEREN'T LUG NUTS ON IT! BY FAR THE WORST SUV I HAVE HAD! 1000S OF DOLLARS TO FIX IT AND IT JUST KEEPS HAPPENING WHY AND WHY HASN'T THERE BEEN A RECALL ON THIS?? *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
1. PAINT COMING OFF OF ROOF AND DRIVER'S DOOR. 2. REAR PASSENGER SIDE AND DRIVER SIDE POWER WINDOWS NOT WORKING. 3. CRACKS IN PLASTIC AREA OF REAR LIFT GATE AROUND WIPER ARM. 4. ALMOST LOST CONTROL AND POTENTIAL ACCIDENT ON INTERSTATE WHEN RIGHT REAR WHEEL CAME LOOSE.
THIS WILL NOW BE THE 5TH TIME WE HAVE REPLACED A BALL BEARING IN THIS [XXX] TRUCK ... THE FRONT DRIVER TWICE THE FRONT PASSENGER ONCE AND NOW THIS IS THE SECOND TIME FOR THE BACK DRIVER! THIS IS HORRIBLE! THERE HAS TO BE MORE OF AN ISSUE THEN JUST THAT IF IT KEEPS HAPPENING! I WILL BE CONTACTING MERCURY AND I PRAY SOMETHING GETS DONE! THIS IS NOT A CHEAP FIX EITHER! AND WHEN IT HAPPENS IT IS LIKE THE TIRE IS ABOUT TO FALL OFF IT WOULD IF THERE WEREN'T LUG NUTS ON IT! BY FAR THE WORST SUV I HAVE HAD! 1000S OF DOLLARS TO FIX IT AND IT JUST KEEPS HAPPENING WHY AND WHY HASN'T THERE BEEN A RECALL ON THIS?? *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
I HAVE A USED 2004 MERCURY MOUNTAINEER I PURCHASED IN 12/2008 IT HAD 53,000 MILES. I HAVE DONE ALL OF THE REQUIRED MAINTENANCE OIL CHANGES,BRAKE PADS,FLUID CHANGES, AND 60,000-MILE SERVICE PACKAGE. I HAVE NOTHING BUT PROBLEMS WITH THE VEHICLE. THE FAILURES I HAVE ARE AS FOLLOWS: 1. FRONT/REAR BRAKE PADS,FRONT/REAR ROTORS,SPARK PLUGS,-DEFECTED PARTS 2. BATTERY 3. TIRES-CONSTANT FLATS 4. LUG TORQUE-DRIVER FRONT/REAR 5. HOOD SHOCKS,TIRE PRESSURE SENSOR LIGHT 6. TRANSMISSION FLUID LEAK/ FRONT PUMP SEAL LEAK 7. NOISE AT HARMONIC BALANCER 8. ROAR NOISE AND SHAKES AT ALL SPEEDS 9. HUB ASSEMBLIES MAKING NOISE FRONT LEFT/RIGHT SIDE; UNLESS REPLACED VEHICLE UNSAFE TO DRIVE PER FORD DEALERSHIP 10. BRAKE PADS- FRONT/REAR NEED TO BE REPLACED GOING BAD (SECOND TIME NEEDING TO BE REPLACED) 11. NEEDS FRONT ALIGNMENT-PULLS TO THE RIGHT SIDE 12. FUEL FILTER 13. NEEDS ALL NEW TIRES 14. IGNITION COIL -DEFECTIVE NEEDS TO BE REPLACED 15. VEHICLE GEAR SHIFTER IS STUCK WHILE DRIVING WON'T SHIFT AT ALL SOMETIMES STAYS STUCK AT CERTAIN SPEED WON'T MOVE 16.UNIVERSAL JOINTS 17. AXLE HOUSING GASKET REPAIRS AND CORRECTIONS DONE ON VEHICLE: 1.NEW BRAKE PADS ON FRONT/REAR,REPLACED SPARK PLUGS, RESURFACED FRONT/REAR ROTORS.- 8/2009 2.BATTERY REPLACED- 4/2010 3.TIRES-FLATS REPAIRED/PATCHED -8/2010,11/2010,2/2011 4.HAVE NOT REPAIRED/REPLACED 5.HAVE NOT REPAIRED/REPLACED 6.REPLACED SEAL, TRANSMISSION FILTER AND FLUID CHANGED,REPLACED SEAL-OIL-6/2011 7.HAVE NOT REPAIRED/REPLACED 8. VEHICLE IS SHAKING AND LOUD ROAR NOISE HASN'T BEEN FIXED-6/2011 9.HUB ASSEMBLIES FRONT LEFT/RIGHT SIDE REPLACED -6/2011 10.HAVE NOT REPLACED/REPAIRED 11.HAVE NOT REPLACED/REPAIRED 12.FUEL FILTER REPLACED-6/2011 13. BOUGHT BRAND NEW SET OF TIRES -6/2011 14.IGNITION COIL REPLACED-10/2009 15. HAVE NOT REPAIRED/REPLACED 16. HAVE NOT REPAIRED/REPLACED 17. AXLE HOUSING GASKET REPLACED-04/2011. *TR
FAILED BRAKE LIGHT SWITCH, FORD PN F00B13480-BA THIS SWITCH FAILED BECAUSE THE BI-METAL SWITCH CONTACT FRACTURED FROM METAL FATIGUE, WHICH CAUSED THE SWITCH TO BECOME INOPERABLE: WHICH CAUSES THE BRAKES LIGHTS TO NOT FUNCTION AS WELL AS PREVENT THE TRANSMISSION SELECTOR TO PROPERLY ENGAGE. AND IN ADDITION TO NOTING THE INTERNAL FAILURE INSIDE THE SWITCH THE CONTACT POINTS INSIDE APPEAR TO BE PITTED. VEHICLE MILEAGE IS ONLY 44,700. THIS SWITCH DESIGN APPEARS TO BE SHARED WITH OTHER FORD AND MERCURY PRODUCTS, HOWEVER IT IS INTERESTING THAT THERE ARE NO KNOWN SOURCES IN THE AFTER MARKET; FORD OEM ONLY ! *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
TAKATA RECALL AIR BAG LIGHT STAYS ON FOR NO APPARENT REASON... ALL THE TIME GRINDING NOISES WHILE TURNING LEFT OR RIGHT SOUNDS LIKE GEARS ARE FREELY SPINNING WHILE ENGAGED AND DRIVING. NO ISSUES WITH CHANGING GEARS AS FAR AS MECHANIC SAYS.
I HAD PICKED UP MY KIDS FROM DAYCARE AND I PUT MY VEHICLE IN REVERSE AND BACKED UP. WHILE BACKING UP I HEARD A LOUD POP AND I GOT OUT TO SEE BUT THERE WAS NOTHING VISIBLE. SO I PUT THE VEHICLE IN DRIVE AND AS I WAS GOING DOWN THE STREET MY VEHICLE AXLE BROKE AND MY TRUCK HIT THE STREET IN THE MIDDLE OF TRAFFIC. I TOOK IT TO THE FORD DEALERSHIP AND THEY SAID IT WAS MY AXLE AND MY DIFFERENTIAL HAD BROKEN ALSO, AM I AM LUCKY THAT I DIDN'T HAVE A BAD ACCIDENT WITH THE EXTEND OF THE DAMAGE OF THE DIFFERENTIAL. AFTER I FIXED THAT AND IT COST $2900. THAT STILL DID NOT FIX THE PROBLEM AND I HAD TO REPLACE THE TRANSFER CASE. THEN ALL THREE OF MY CADILLAC CONVERTERS HAD TO BE REPLACED. I HAVE HAD PROBLEM AFTER PROBLEM AND OH YEAH THE BACK REAR GATE HAS BEEN CRACKED LIKE THE MONTH AFTER I BOUGHT IT. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
2004 MERCURY MOUNTAINEER REAR WINDOW PANEL CRACKED AND HINGES WILL NOT STAY TIGHT. FORD DEALER SAID THIS IS A COMMON PROBLEM BUT FORD WILL NOT REPAIR IF VEHICLE IS NOT UNDER WARRANTY. VEHICLE HAS 53,000 MILES BUT I HAD DEALER CHECK VEHICLE WHILE IT WAS UNDER WARRANTY AND THEY SAID ALL IT NEEDED WAS ADJUSTING. *TR
TRANSMISSION SLIPPING AND RECENTLY WITHIN THIS MONTH NOTICED A CRACK IN THE LIFTGATE AND THE LIFTGATE WILL NOT RISE FULLY. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
THIS VEHICLE IDLES VERY LOW AND STALLS AT VARIOUS SPEEDS. NO WARNING IS GIVEN ENGINE JUST SHUTS DOWN. SPARK PLUGS HAVE BLOWN TOTALLY OUT FROM THE ENGINE SEVERAL TIMES.
DT:THE CONSUMER STATED DURING BRAKING THE VEHICLE STALLS. WHEN THE CVONSUMER WENT TO RESTART AND PUT IT IN DRIVE IT STALLED AGAIN. TOOK VEHICLE TO THE SERVICE DEPARTMENT 3 TIMES. THE SECOND TIME THEY REPLACED THE FUEL PUMP, THE FIRST TIME THEY UPDATED THE ENGINE CONTROLLER SOFTWARE.*AK FOR THE 4TH TIME TOTAL LOSS OF VEHICLE POWER WHEN BRAKING FROM 55 MPH. DEALER REPLACED MAF SENSOR. DRIVER REAR DOOR MOLDING CATCHING FRONT DOOR MOLDING AT TIMES WHEN OPENING. *TT
Too few reports in this category for a page of its own — they appear in the full complaint list.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
I FLIPPED IN MY 2004 MERCURY MOUNTAINEER AND HUNG UPSIDE DOWN FOR AN HOUR TILL SOMEONE CAME BY BECAUSE MY SEAT BELT WOULD NOT RELEASE. THE EMT'S COULD NOT EVEN GET IT TO RELEASE SO THEY HAD TO CUT IT OFF OF ME. I THE THING RELEASED I COULD HAVE CRAWLED OUT THE WINDOW AND WOULD NOT HAVE HAD TO HAVE $12,000.00 DAMAGE TO MY CAR BECAUSE THEY WOULD NOT LET ME CRAWL OUT AND HAD TO USE THE JAWS OF LIFE TO GET ME AND THE BOARD OUT. I WAS TOLD THAT THIS IS HOW THEY ARE DESIGNED AND I FEEL THIS IS NOT A GOOD THING. HAD I LANDED IN WATER OR CAUGHT ON FIRE I WOULD HAVE BEEN DEAD BEFORE I WAS FOUND. *NM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
I HAVE A USED 2004 MERCURY MOUNTAINEER I PURCHASED IN 12/2008 IT HAD 53,000 MILES. I HAVE DONE ALL OF THE REQUIRED MAINTENANCE OIL CHANGES,BRAKE PADS,FLUID CHANGES, AND 60,000-MILE SERVICE PACKAGE. I HAVE NOTHING BUT PROBLEMS WITH THE VEHICLE. THE FAILURES I HAVE ARE AS FOLLOWS: 1. FRONT/REAR BRAKE PADS,FRONT/REAR ROTORS,SPARK PLUGS,-DEFECTED PARTS 2. BATTERY 3. TIRES-CONSTANT FLATS 4. LUG TORQUE-DRIVER FRONT/REAR 5. HOOD SHOCKS,TIRE PRESSURE SENSOR LIGHT 6. TRANSMISSION FLUID LEAK/ FRONT PUMP SEAL LEAK 7. NOISE AT HARMONIC BALANCER 8. ROAR NOISE AND SHAKES AT ALL SPEEDS 9. HUB ASSEMBLIES MAKING NOISE FRONT LEFT/RIGHT SIDE; UNLESS REPLACED VEHICLE UNSAFE TO DRIVE PER FORD DEALERSHIP 10. BRAKE PADS- FRONT/REAR NEED TO BE REPLACED GOING BAD (SECOND TIME NEEDING TO BE REPLACED) 11. NEEDS FRONT ALIGNMENT-PULLS TO THE RIGHT SIDE 12. FUEL FILTER 13. NEEDS ALL NEW TIRES 14. IGNITION COIL -DEFECTIVE NEEDS TO BE REPLACED 15. VEHICLE GEAR SHIFTER IS STUCK WHILE DRIVING WON'T SHIFT AT ALL SOMETIMES STAYS STUCK AT CERTAIN SPEED WON'T MOVE 16.UNIVERSAL JOINTS 17. AXLE HOUSING GASKET REPAIRS AND CORRECTIONS DONE ON VEHICLE: 1.NEW BRAKE PADS ON FRONT/REAR,REPLACED SPARK PLUGS, RESURFACED FRONT/REAR ROTORS.- 8/2009 2.BATTERY REPLACED- 4/2010 3.TIRES-FLATS REPAIRED/PATCHED -8/2010,11/2010,2/2011 4.HAVE NOT REPAIRED/REPLACED 5.HAVE NOT REPAIRED/REPLACED 6.REPLACED SEAL, TRANSMISSION FILTER AND FLUID CHANGED,REPLACED SEAL-OIL-6/2011 7.HAVE NOT REPAIRED/REPLACED 8. VEHICLE IS SHAKING AND LOUD ROAR NOISE HASN'T BEEN FIXED-6/2011 9.HUB ASSEMBLIES FRONT LEFT/RIGHT SIDE REPLACED -6/2011 10.HAVE NOT REPLACED/REPAIRED 11.HAVE NOT REPLACED/REPAIRED 12.FUEL FILTER REPLACED-6/2011 13. BOUGHT BRAND NEW SET OF TIRES -6/2011 14.IGNITION COIL REPLACED-10/2009 15. HAVE NOT REPAIRED/REPLACED 16. HAVE NOT REPAIRED/REPLACED 17. AXLE HOUSING GASKET REPLACED-04/2011. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Heating & air conditioning
Reports naming the heating, ventilation and air-conditioning system.
From owner reports, verbatim
PURCHASED A 2004 MERCURY MOUNTAINEER BACK IN MARCH. NOTICED A CHIRPING NOISE AT ABOUT 1500 MILES WHEN THE AIR CONDITIONER CYCLED ON AND OFF. DEALER REPLACED COMPRESSOR. CHIRPING CAME BACK AT ABOUT 3500 MILES, SO I TOOK IT BACK AND THE DEALER ADJUSTED THE CLUTCH AIR GAP. THEY SAID IT WAS FINE, BUT FOUND THAT WHILE DRIVING THE VEHICLE HOME IT WAS STILL DOING IT. DEALER SAID IT HAS NO IDEA WHAT THE PROBLEM IS AND HAS SO FAR NOT OFFERED TO DO ANYTHING ABOUT THE PROBLEM.*AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .