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
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.
THIS MAY CAUSE ENGINE HESITATION, LOSS OF POWER, SURGING, AND OTHER SIMILAR SYMPTOMS. OVER TIME, TH
THIS ACTION IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN AND IS NOT BEING CONDUCTED UNDER THE SAFETY ACT.
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
LOSS OF BRAKE FLUID CAN LEAD TO A DECREASE IN BRAKE LINE PRESSURE AND AN INCREASE IN STOPPING DISTAN
AFFINIA (BRAKE PARTS, INC.) WILL REPLACE THE SUBJECT BRAKE HYDRAULIC MASTER CYLINDERS FREE OF CHARGE
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
THE OPEN CIRCUIT COULD LEAD TO ELECTRICAL ARCING THAT COULD MELT THE CONNECTOR HOUSING MATERIAL CREA
DEALERS WILL INSTALL A NEW HEATER BLOWER RESISTOR AND A NEW WIRE JUMPER HARNESS. OWNER NOTIFICATION
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
IF BOTH PCRV'S MALFUNCTION, VEHICLE HANDLING COULD BE ADVERSELY AFFECTED DURING BRAKING AS A RESULT
DEALERS WILL INSTALL IMPROVED PCRV'S IN THE REAR BRAKE SYSTEM. THIS RECALL WAS EXPANDED IN SEPTEMBE
GENERAL (PCM) POWER TRAIN CONTROL MODULE PROGRAMMING PROCEDURES. *TT
GENERAL POWER TRAIN CONTROL MODULE (PCM) PROGRAMMING PROCEDURES. *TT
STEERING COLUMN SHIPPED WITHOUT CRUSH PAD - REUSE ORIGINAL CRUSH PAD IF NOT DAMAGED. *TT
CLIMATE CONTROL A/C SERVICE TECH TIPS. *EH
MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE(S) P0420 AND/OR P0430. *TT
REAR WINDOW DEFROSTER GRID/INTEGRAL ANTENNA DIAGNOSIS AND REPAIR - TERMINAL TAB REPAIR. *TT
INOPERATIVE ELECTRIC REAR WINDOW DEFROSTER (HEATED BACKLITE) GRID LINES, INTEGRAL ANTENNA CONCERNS. *TT
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.
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
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
VEHICLE WAS INVOLVED IN A FRONTAL COLLISION AT 44MPH AND THE AIRBAGS DID NOT DEPLOY, RESULTING IN INJURIES. DEALER HAS BEEN NOTIFIED. *AK
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
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.
