1999 Mercury Cougar Service and Repair Manual

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Factory-Grade Data

The 1999 Mercury Cougar 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 Coupe 2-Door
  • V6 Coupe 2-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

1999 Mercury Cougar Recalls & Complaints

NHTSA #04V42100030/08/2004Component: FUEL SYSTEM, GASOLINE

ON CERTAIN PASSENGER VEHICLES, CONTAMINATION OF THE FILTER IN THE FUEL DELIVERY MODULE (FDM) CAN REDUCE, AND EVENTUALLY BLOCK, THE FLOW OF FUEL TO THE ENGINE.

Consequence

THIS MAY CAUSE ENGINE HESITATION, LOSS OF POWER, SURGING, AND OTHER SIMILAR SYMPTOMS. OVER TIME, TH

Remedy

THIS ACTION IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN AND IS NOT BEING CONDUCTED UNDER THE SAFETY ACT.

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

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 #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 #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 #10008993

MALFUNCTION INDICATOR LAMP ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE P0420 AND/OR P0430/ 2.5L ENGINE ONLY. *TT

Showing the 8 most recent of 229 technical service bulletins on file with NHTSA.

20060711Component: ENGINE AND ENGINE COOLING:ENGINECrash reported3 injured

1. CAR BEGAN TO LOSE POWER AND THE STEERING WHEEL BEGAN TO LOCK UP AND LIGHTS BEGAN FLICKERING ON THE DASH. 2. THE CAR STALLED IN THE FAST LANE ON A BUSY FREEWAY. THE CONSEQUENCE WAS A SMALL TRUCK

20060711Component: ELECTRICAL SYSTEMCrash reported3 injured

1. CAR BEGAN TO LOSE POWER AND THE STEERING WHEEL BEGAN TO LOCK UP AND LIGHTS BEGAN FLICKERING ON THE DASH. 2. THE CAR STALLED IN THE FAST LANE ON A BUSY FREEWAY. THE CONSEQUENCE WAS A SMALL TRUCK

19991217Component: AIR BAGS:FRONTALCrash reported3 injured

VEHICLE WAS INVOLVED IN A FRONTAL COLLISION AT 44MPH AND THE AIRBAGS DID NOT DEPLOY, RESULTING IN INJURIES. DEALER HAS BEEN NOTIFIED. *AK

20060805Component: ENGINE AND ENGINE COOLING:ENGINECrash reported2 injured

1999 MERCURY COUGAR SEAT BACK FAILURE DURING REAR-END COLLISION. COUGAR STALLED ON BUSY FREEWAY ENDING IN REAR TOTALED CAR COLLISION. THE DRIVER'S SEAT WENT COMPLETELY DOWN AND UPON SEATS IN THE B

20060805Component: SEATS:FRONT ASSEMBLY:RECLINERCrash reported2 injured

1999 MERCURY COUGAR SEAT BACK FAILURE DURING REAR-END COLLISION. COUGAR STALLED ON BUSY FREEWAY ENDING IN REAR TOTALED CAR COLLISION. THE DRIVER'S SEAT WENT COMPLETELY DOWN AND UPON SEATS IN THE B

Showing the 5 most serious of 740 complaints filed with NHTSA.

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