1999 Mercury Mountaineer Service and Repair Manual

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Factory-Grade Data

The 1999 Mercury Mountaineer Service and Repair Manual is a practical, workshop-ready reference for maintenance, diagnostics, and repairs. Use it to troubleshoot symptoms, follow step-by-step procedures, verify specifications, and confirm wiring and connector locations before replacing parts.

Ideal for technicians and DIY owners, it supports everything from routine service to deeper mechanical and electrical work—including drivability, no-start, warning lights, overheating, brake and suspension issues, HVAC faults, and circuit testing.

Trims covered

  • Base Sport Utility 4-Door

Engines covered

  • 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated
  • 5.0L 302Cu. In. V8 GAS OHV Naturally Aspirated

What’s inside

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

Why this manual matters

  • Faster diagnostics with system-based troubleshooting and wiring diagrams
  • Clear procedures and reference sections to reduce guesswork and rework
  • Helpful for maintenance planning and verifying parts/specs before repairs

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Vehicle Safety Data

1999 Mercury Mountaineer Recalls & Complaints

NHTSA #00V07200007/03/2000Component: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

VEHICLE DESCRIPTION: MULTI-PURPOSE VEHICLES EQUIPPED WITH 4.0L ENGINES AND ALL-TIME 4-WHEEL DRIVE (A4WD) POWERTRAINS. THE GENERIC ELECTRONIC MODULE (GEM) COULD EXPERIENCE A CONDITION REFERRED TO AS

Consequence

AN INOPERATIVE WINDSHIELD WIPER SYSTEM COULD AFFECT DRIVER VISIBILITY, INCREASING THE RISK OF A CRAS

Remedy

DEALERS WILL INSTALL A RESISTOR IN THE GEM CIRCUIT.

NHTSA #03V28000005/08/2003Component: VEHICLE SPEED CONTROL:CABLES

ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH SPEED CONTROL AND 4.0L SOHC ENGINES, IF THE STRAND COVER ON THE SPEED CONTROL CABLE BECOMES FLARED AT THE END, THE SPEED CONTROL CABLE MAY BIND WHEN THE

Consequence

THE THROTTLE RETURN SPRING FORCE MAY NOT BE SUFFICIENT TO OVERCOME THE BINDING CONDITION WHEN THE SP

Remedy

DEALERS WILL INSPECT THE SPEED CONTROL CABLE AND, IF NECESSARY, REPLACE IT. OWNER NOTIFICATION BEGA

NHTSA #03V28100005/08/2003Component: SEATS:FRONT ASSEMBLY:RECLINER

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.

Consequence

THE DRIVER COULD POTENTIALLY LOSE CONTACT WITH THE STEERING WHEEL OR FOOT PEDALS DURING SUCH AN EVEN

Remedy

DEALERS WILL REPLACE THE DRIVER SEAT UPPER BOLT WITH A METAL SPACER AND BOLT. IN ADDITION, SEATS WI

TSB #10017891

FRONT AXLE LEAKS FLUID FROM VENT TUBE - VEHICLES EQUIPPED WITH 4X4 OR AWD. *TT

TSB #10014086

GENERAL (PCM) POWER TRAIN CONTROL MODULE PROGRAMMING PROCEDURES. *TT

TSB #10014062

REAR WINDOW DEFROSTER GRID/INTEGRAL ANTENNA DIAGNOSIS AND REPAIR - TERMINAL TAB REPAIR. *TT

TSB #10013369

GENERAL POWER TRAIN CONTROL MODULE (PCM) PROGRAMMING PROCEDURES. *TT

TSB #10013060

CLIMATE CONTROL A/C SERVICE TECH TIPS. *EH

TSB #10011159

REAR WINDOW DEFROSTER GRID/INTEGRAL ANTENNA DIAGNOSIS AND REPAIR - TERMINAL TAB REPAIR. *TT

TSB #10009321

INOPERATIVE ELECTRIC REAR WINDOW DEFROSTER (HEATED BACKLITE) GRID LINES, INTEGRAL ANTENNA CONCERNS. *TT

TSB #10008580

LAMP-BRAKE-INVADVERTENT DISABLING OF BRAKE SHIFT INTERLOCK. *MJ

Showing the 8 most recent of 340 technical service bulletins on file with NHTSA.

20111208Component: TIRESCrash reported1 injured

TL* THE CONTACT OWNS A 1999 MERCURY MOUNTAINEER. THE VEHICLE WAS EQUIPPED WITH GOODYEAR WRANGLER TIRES, LINE SIZE: P235/75/R15, DOT NUMBER: RTN-ST235-75-15105S. THE CONTACT STATED THAT WHILE DRIVING 7

20060501Component: AIR BAGS:FRONTALCrash reported1 injured

DT*: THE CONTACT STATED WHILE DRIVING 40 MPH THE VEHICLE HIT ANOTHER VEHICLE FROM BEHIND AND THE FRONTAL AIRBAGS FAILED TO DEPLOY. A POLICE REPORT WAS FILED AT THE SCENE AND THE DRIVER SUSTAINED MIN

20050302Component: TIRES:TREAD/BELTCrash reported1 injured

WHILE DRIVING AT 65 MPH, THE REAR DRIVER SIDE TIRE TREAD SEPARATED, WHICH CAUSED THE VEHICLE TO SPIN OUT OF CONTROL. *AK THE TIRE REMAINED FULLY INFLATED WHEN THE TREAD SEPARATED. *SC *JB

20011021Component: SUSPENSIONCrash reported1 injured

AS THE OWNER AND DRIVER OF THE VEHICLE AT THE TIME OF INCIDENT, I FEEL THAT THE MOUNTAINEER HAD AN OBVIOUS DESIGN FLAW WHICH PROMOTED THE CHANCE OF IT ROLLING. THE ROLL OVER OCCURRED FOLLOWING BRAKING

20000823Component: TIRESCrash reported1 injured

VEHICLE WAS GOING SOUTH ON NYS RTE 41 AT 40MPH AND BEGAN PULLING LEFT, DRIVER STEERED TO THE RIGHT. THE NEXT THING I REMEMBER THE VEHICLE HAD CROSSED THE NORTHBOUND LANE AND WAS ON ITS LEFT SIDE IN A

Showing the 5 most serious of 182 complaints filed with NHTSA.

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