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1998 Mercury Mountaineer Recalls & Complaints

6

open safety recalls on record

Critical

298 owner complaints filed · Severity Index 1.06 · updated 2026-08-07

The recalls

Critical98V060000

Fuel System, Gasoline:Delivery:Hoses, Lines/Piping, And Fittings

THE FUEL LINES CAN LEAK, AND IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD POTENTIALLY RESULT.

Remedy & full details

DEALERS WILL INSTALL A WARNING LABEL ON THE FUEL LINE BRACKET ADVISING OWNERS NOT TO USE IT FOR A JUMP START GROUND. ALSO A REVISED BOLT WILL BE INSTALLED IN THE ALTERNATOR BRACKET TO PROVIDE A CONVENIENT JUMP START GROUND LOCATION.

VEHICLE DESCRIPTION: MULTI-PURPOSE PASSENGER VEHICLES EQUIPPED WITH 4.0L SINGLE OVERHEAD CAM ENGINES. THE ENGINE FUEL LINES CAN BE DAMAGED IF THE VEHICLE IS JUMP STARTED AND THE GROUND CABLE IS ATTACHED TO THE FUEL LINE BRACKET THAT IS LOCATED NEAR THE BATTERY. SINCE THE BRACKET IS NOT GROUNDED, THE STAINLESS STEEL FUEL LINE BRAID COULD ACT AS A GROUND POTENTIALLY OVERHEATING THE PTFE INNER LINER OF THE FUEL LINE RESULTING IN DAMAGE TO THE FUEL LINE.

Serious00T005000

Tires:Tread/Belt

IF THE TREAD SEPARATES FROM THE TIRE, THE DRIVER CAN LOSE CONTROL OF THE VEHICLE, POSSIBLY RESULTING IN A CRASH CAUSING INJURY OR DEATH.

Remedy & full details

THE REPLACEMENT/REIMBURSEMENT PROGRAM FOR THIS CAMPAIGN EXPIRED ON AUGUST 29, 2001. HOWEVER, CUSTOMERS SHOULD CONTACT FIRESTONE CUSTOMER SERVICE AT 1-800-465-1904 FOR POSSIBLE ASSISTANCE.

TIRE DESCRIPTION: FIRESTONE WILDERNESS AT, SIZE P235/75R15, PRODUCED AT THE DECATUR, ILLINOIS TIRE PLANT AND ALL FIRESTONE RADIAL ATX AND RADIAL ATX II TIRES, SIZE P235/75R15. OPERATION OF THESE TIRES AT LOW INFLATION PRESSURES, HIGH SPEED, AND IN HOT WEATHER, CAN CONTRIBUTE TO SEPARATION OF THE TIRE TREAD.

Serious03V281000

Seats:Front Assembly:Recliner

THE DRIVER COULD POTENTIALLY LOSE CONTACT WITH THE STEERING WHEEL OR FOOT PEDALS DURING SUCH AN EVENT, raises the risk of A CRASH.

Remedy & full details

DEALERS WILL REPLACE THE DRIVER SEAT UPPER BOLT WITH A METAL SPACER AND BOLT. IN ADDITION, SEATS WITH TUBULAR BACK FRAMES WILL HAVE THE FULLY THREADED LOWER RECLINER BOLT REPLACED WITH A PARTIALLY THREADED BOLT. OWNER NOTIFICATION BEGAN ON AUGUST 29, 2003. OWNERS SHOULD CONTACT FORD AT 1-800-392-3673.

ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH HIGH BACK SEATS, THE UPPER BOLT ON THE DRIVER'S SIDE HIGH BACK SEAT, THAT ATTACHES THE SEAT RECLINER MECHANISM TO THE SEAT BACK FRAME, COULD FRACTURE. IF THE BOLT FRACTURES AND DOES NOT JAM IN THE SEAT BACK FRAME, THE SEAT BACK MAY RECLINE UNTIL IT MAKES CONTACT WITH AN OBJECT BEHIND THE SEAT, SUCH AS THE SECOND ROW SEAT CUSHION.

Serious99V062001

Vehicle Speed Control

IF THE CRUISE CONTROL IS USED AND THIS CONDITION IS PRESENT, A STUCK THROTTLE COULD RESULT, WHICH COULD POTENTIALLY RESULT IN A CRASH.

Remedy & full details

DEALERS WILL REPLACE THE CRUISE CONTROL CABLES. AT THE PRESENT TIME, THE REPLACEMENT CABLES ARE NOT AVAILABLE. CUSTOMERS ARE BEING ADVISED NOT TO USE THE CRUISE CONTROL SYSTEM UNTIL A REPLACEMENT CAN BE MADE.

VEHICLE DESCRIPTION: CERTAIN 1997-1999 RHD EXPLORER EQUIPPED WITH 4.0L OHV/SOHC ENGINES AND CRUISE CONTROL BUILT FROM MAY 29, 1996 THROUGH MARCH 4, 1999; 1998-1999 EXPLORER/MOUNTAINEERS EQUIPPED WITH 4.0L OHV/SOHC OR 5.0L ENGINES OR 1998-1999 RANGERS EQUIPPED WITH 2.5L, 3.0L FFV/EFI OR 4.0L ENGINES AND CRUISE CONTROL BUILT FROM JANUARY 5, 1998 THROUGH MARCH 4, 1999; 1998-1999 MUSTANGS EQUIPPED WITH 3.8L, 4.6L 2-VALVE OR 4-VALVE ENGINES AND CRUISE CONTROL BUILT FROM MARCH 2, 1998 THROUGH MARCH 4, 1999; 1999 F250/F350/F450/F550 (OVER 8,500 LBS.) TRUCKS EQUIPPED WITH 5.4L OR 6.8L ENGINES AND CRUISE CONTROL BUILT FROM MARCH 2, 1998 THROUGH MARCH 4, 1999; AND 1999 F-53 STRIPPED CHASSIS EQUIPPED WITH 5.4L OR 6.8L ENGINES AND CRUISE CONTROL BUILT FROM MARCH 2, 1998 THROUGH MARCH 4, 1999. A CRUISE CONTROL CABLE CAN INTERFERE WITH THE SPEED CONTROL SERVO PULLEY AND NOT ALLOW THE THROTTLE TO RETURN TO IDLE WHEN DISENGAGING THE CRUISE CONTROL.

Moderate00V422000

Vehicle Speed Control

THIS COULD RESULT IN ENGINE SURGE WHEN THE ACCELERATOR PEDAL BREAKS FREE.

Remedy & full details

DEALERS WILL REPLACE THE ORIGINAL THROTTLE BODIES.

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES EQUIPPED WITH 4.0L SOHC ENGINES AND STILL RETAIN THE ORIGINAL THROTTLE BODY (PART NUMBERS 97JF-9E926AB OR 97JF-9E926-AC). SOME OF THE ORIGINAL THROTTLE BODIES INSTALLED ALLOWED A GAP BETWEEN THE PLATE AND BORE TO BE BUILT TOO NARROW. THIS REDUCED CLEARANCE ALLOWED THE ENGINE DEPOSITS NORMALLY PRESENT IN THE THROTTLE BODY TO CONTACT OR BRIDGE THE GAP. IF THE ENGINE DEPOSITS BRIDGED THE GAP BETWEEN THE THROTTLE PLATE AND BORE AND THEN HARDENED, ON THE INITIAL APPLICATION OF THE ACCELERATOR PEDAL AFTER THE ENGINE HAS COOLED, THE OPERATOR WOULD NEED TO APPLY ADDITIONAL FORCE TO THE ACCELERATOR PEDAL TO BREAK THE BRIDGE.

Moderate99V164000

Latches/Locks/Linkages:Hood:Latch

IF THIS OCCURS AND THE PRIMARY HOOD LATCH IS EITHER NOT ENGAGED OR IS RELEASED, A HOOD FLY-UP COULD OCCUR.

Remedy & full details

DEALERS WILL INSTALL A SECONDARY HOOD LATCH WITH COMPONENTS THAT ARE COATED PRIOR TO ASSEMBLY FOR IMPROVED LATCH PIVOT CORROSION PROTECTION.

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. THE SECONDARY HOOD LATCH MAY CORRODE AT THE LATCH PIVOT AND STICK IN THE OPEN POSITION.

Complaint volume

298 this model-year 8 median, same year

Volume alone is not a fault rate — popular vehicles attract more reports. Read it next to the severity mix below.

What owners reported happened

29Crashes
31Fires
36Injuries
2Deaths

Across 298 complaints. Severity Index 1.06.

Severity Index weights each complaint's reported outcome (death ×10, injury ×4, fire ×3, crash ×2) and divides by total complaints. It measures how severe reports are, not how often faults occur.

What owners report most

Tires53 · 18%Tires · Tread/Belt48 · 16%Vehicle Speed Control18 · 6%Vehicle Speed Control · A…13 · 4%Electrical System10 · 3%Engine And Engine Cooling…9 · 3%Engine And Engine Cooling…7Seats · Front Assembly · …7
  1. Tires — 53 reports
  2. Tires:Tread/Belt — 48 reports
  3. Vehicle Speed Control — 18 reports
  4. Vehicle Speed Control:Accelerator Pedal — 13 reports
  5. Electrical System — 10 reports
  6. Engine And Engine Cooling:Engine — 9 reports
  7. Engine And Engine Cooling:Engine:Gasoline — 7 reports
  8. Seats:Front Assembly:Recliner — 7 reports
  9. Suspension:Front — 6 reports
  10. Vehicle Speed Control:Cruise Control — 6 reports

What to do

  1. Find your 17-character VIN on the driver's door jamb or the base of the windscreen.
  2. Check it against NHTSA's official lookup at nhtsa.gov/recalls — the authoritative record for your exact car.
  3. Book the repair with any franchised dealer. Safety recall work is free, with no time limit and regardless of who owns the car now.

Other model years

1996 (2) · 1997 (7) · 1998 · 1999 (9) · 2000 (8) · 2001 (4) · 2002 (4) · 2003 (1) · 2004 (1) · 2005 (1) · 2006 (2) · 2007 (1) · 2008 (2) · 2009 · 2010 (1)

Numbers in brackets are open recall campaigns for that year.

Questions

Does an open recall mean the car is unsafe to drive?

Not usually. NHTSA issues a "do not drive" or "park outside" advisory when a defect is dangerous enough to keep you out of the car — those are flagged Critical above. Everything else should be repaired promptly but is not an immediate stop-driving order.

Do I pay for recall repairs?

No. Federal law requires the manufacturer to fix a safety recall free of charge, including parts and labour, whether or not you are the original owner.

Why are there complaints but no recalls?

Complaints are unverified reports filed by owners. They can prompt an investigation, but many never become recalls — either the fault isn't safety-related or it isn't widespread.