1998 Mercury Mystique Service and Repair Manual

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Factory-Grade Data

The 1998 Mercury Mystique 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

  • GS Sedan 4-Door
  • LS Sedan 4-Door

Engines covered

  • 2.0L 1989CC 121Cu. In. l4 GAS DOHC Naturally Aspirated
  • 2.5L 2450CC 155Cu. In. V6 GAS DOHC 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

1998 Mercury Mystique Recalls & Complaints

NHTSA #06E02200013/03/2006Component: SERVICE BRAKES, HYDRAULIC

CERTAIN AFTERMARKET BRAKE HYDRAULIC MASTER CYLINDERS SOLD AS REPLACEMENT BRAKE CYLINDERS FOR CERTAIN FORD, DAIMLERCHRYSLER, AND JEEP PASSENGER VEHICLES. THESE BRAKE CYLINDERS WERE SOLD UNDER THE BRAN

Consequence

LOSS OF BRAKE FLUID CAN LEAD TO A DECREASE IN BRAKE LINE PRESSURE AND AN INCREASE IN STOPPING DISTAN

Remedy

AFFINIA (BRAKE PARTS, INC.) WILL REPLACE THE SUBJECT BRAKE HYDRAULIC MASTER CYLINDERS FREE OF CHARGE

NHTSA #01V23000009/07/2001Component: ELECTRICAL SYSTEM

ON CERTAIN MY 1996-1998 PASSENGER VEHICLES BUILT AT THE KANSAS CITY, CUAUTITLAN ASSEMBLY PLANTS OR ON MY 1999 PASSENGER VEHCLES BUILT AT THE AUTOMOTIVE ALLIANCE INTERNATIONAL ASSEMBLY PLANTS, THE RO

Consequence

THE OPEN CIRCUIT COULD LEAD TO ELECTRICAL ARCING THAT COULD MELT THE CONNECTOR HOUSING MATERIAL CREA

Remedy

DEALERS WILL INSTALL A NEW HEATER BLOWER RESISTOR AND A NEW WIRE JUMPER HARNESS. OWNER NOTIFICATION

NHTSA #00V07500009/03/2000Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

VEHICLE DESCRIPTION: PASSENGER VEHICLES NOT EQUIPPED WITH THE ANTI-LOCK BRAKING SYSTEM (ABS). A PRESSURE CONSCIOUS REDUCING VALVE (PCRV) IN THE REAR BRAKES MAY BE SUBJECT TO CORROSION AND RESULT IN

Consequence

IF BOTH PCRV'S MALFUNCTION, VEHICLE HANDLING COULD BE ADVERSELY AFFECTED DURING BRAKING AS A RESULT

Remedy

DEALERS WILL INSTALL IMPROVED PCRV'S IN THE REAR BRAKE SYSTEM. THIS RECALL WAS EXPANDED IN SEPTEMBE

NHTSA #01V25500008/08/2001Component: SUSPENSION:FRONT:SPRINGS:COIL SPRINGS

VEHICLE DESCRIPTION: PASSENGER VEHICLES BUILT AT THE KANSAS CITY ASSEMBLY PLANT AND ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE,

Consequence

SOME TIRES HAVE DEFLATED DUE TO CONTACT WITH A BROKEN SPRING.

Remedy

DEALERS WILL INSTALL SPRING CATCHER BRACKETS. OWNER NOTIFICATION BEGAN OCTOBER 23, 2001. OWNERS WH

NHTSA #01I01300008/08/2001Component: SUSPENSION:FRONT:SPRINGS:COIL SPRINGS

THIS IS NOT A SAFETY RECALL IN ACCORDANCE WITH THE SAFETY ACT. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. VEHICLE DESCRIPTION: 1998 FORD CONTOUR/MERCURY MYSTIQUE PASSENGER V

Consequence

SOME TIRES HAVE DEFLATED DUE TO CONTACT WITH A BROKEN SPRING.

Remedy

FORD IS EXTENDING THE WARRANTY FOR FRONT COIL SPRING REPLACEMENT FOR THE FRONT COIL SPRINGS FOR 10 Y

TSB #10014086

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

TSB #10013369

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

TSB #10013115

STEERING COLUMN SHIPPED WITHOUT CRUSH PAD - REUSE ORIGINAL CRUSH PAD IF NOT DAMAGED. *TT

TSB #10013086

REPLACEMENT SPEAKER INSTALLATION TIPS. *TT

TSB #10013060

CLIMATE CONTROL A/C SERVICE TECH TIPS. *EH

TSB #10011161

MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE(S) P0420 AND/OR P0430. *TT

TSB #10008580

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

TSB #10004886

MALFUNCTION INDICATOR LAMP ILLUMINATED WITH DIAGNOSTIC TROUBLE CODES (DTCS) P0442, P0455, P0456, P0457 OR P1442 OR A CHECK FUEL CAP LAMP ILLUMINATED WITH DTC P0457 FOR THE EVAPORATIVE EMISSION SYSTEM. *TT

Showing the 8 most recent of 242 technical service bulletins on file with NHTSA.

19990104Component: SEAT BELTS:FRONTCrash reported2 injured

VEHICLE WAS HIT ON FRONT PASSENGER'S SIDE, AND FRONT SEATBELTS DID NOT LOCK UP, CAUSING INJURIES TO DRIVER AND FRONT SEAT PASSENGER. DEALER HAS NOT SEEN VEHICLE. *AK

20050810Component: SEAT BELTS:FRONTCrash reported1 injured

DT: CONTACT' SSON SEAT BELT BROKE DURING AN ACCIDENT AND HE WAS EJECTED FROM THE CAR. THIS HAPPENED ON 7-7-05. THERE WERE NO PROBLEMS WITH THE SEAT BELT PRIOR TO THE ACCIDENT. SHE TOOK PICTURES OF TH

20000803Component: AIR BAGS:FRONTALCrash reported1 injured

ANOTHER VEHICLE SUDDENLY STOPPED & WAS REARENDED BY THE MYSTIQUE. UPON IMPACT WITH OTHER VEHICLE, AIR BAGS FAILED TO DEPLOY. 1 INJURY & EMERGENCY ROOM TREATMENT. *AK

19991206Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEMCrash reported1 injured

CAR BEING DRIVEN AT AROUND 30MPH, NUMEROUS TIMES, ALL POWER WAS LOST, HIT CURB, HAD NO STEERING, BRAKES, LUCKILY COULD PUT IN NEUTRAL AND RE-START, CRANSKSHAFT SENSOR WAS CRACKED, CAUSING VEHICLE TO

19990115Component: AIR BAGS:FRONTALCrash reported1 injured

WHILE IN FRONTAL IMPACT THE DRIVER'S AIR BAG DID DEPLOY, BUT THE PASSENGER'S AIRBAG DID NOT DEPLOY, WHICH DID NOT PROTECT THE OCCUPANT IN THIS ACCIDENT. ALSO, THE PASSENGER'S SEATBELT DID HOLD THE O

Showing the 5 most serious of 326 complaints filed with NHTSA.

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