Auto Parts Search


      Over 40 million used auto parts online. Shop online for auto and truck parts and save up to 75%

1990 Mercury Cougar CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Mercury REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

Help me findSearch

Select Section

Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 Mercury Cougar car and truck repair procedures including Mercury engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your Mercury Cougar automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >
Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Mercury mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1990 Mercury Cougar vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 1990 Mercury Cougar AUTOMOBILES

A/C & Cooling System Maintenance -> Ford Motor Co. -> 1990-2002 Ford Thunderbird & Mercury Cougar
Vehicle: 1990 Mercury Cougar LS 3.8 V6 GAS

[[table data]]

CLICK HERE TO GET FULL ACCESS TO 1990 Mercury Cougar A/C & HEATER SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1990 Mercury Cougar AUTOMOBILES

DISC BRAKES, FORD MOTOR CO. -> Front Disc Brakes -> BRAKE PADS -> 1989 Tracer -> 1991 Escort & Tracer -> Capri -> Except Capri, Festiva, Tracer, Scorpio, XR4Ti, Probe & 1991 Escort -> Festiva -> INSTALLATION -> Probe -> REMOVAL -> Scorpio & XR4Ti
Vehicle: 1990 Mercury Cougar XR-7 3.8 V6 GAS

REMOVAL

Except Capri, Festiva, Tracer, Scorpio, XR4Ti, Probe & 1991 Escort
  • Remove brake fluid until reservoir is half full.
  • Raise and support front of vehicle, then remove wheel and tire assembly.
  • Remove caliper locating pins.
  • Lift caliper assembly from adapter plate, then remove outer shoe from caliper assembly.On some models, slip shoe down caliper leg until clip is disengaged.
  • Remove inner shoe and lining assembly.On some models, pull shoe straight out of piston. This should require a force as high as 20-30 lbs.
  • Suspend caliper from inner fender housing with wire to avoid damaging brake ...

CLICK HERE TO GET FULL ACCESS TO 1990 Mercury Cougar BRAKE SERVICE PROCEDURES

FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Mercury Cougar AUTOMOBILES

Ford Motor Co. Passenger Cars -> Component Locations -> 1993-98 Mark VIII, 1987-97 Thunderbird & Cougar
Vehicle: 1990 Mercury Cougar XR-7 3.8 V6 GAS

CLICK HERE TO GET FULL ACCESS TO 1990 Mercury Cougar FUEL FILTER REPLACEMENT PROCEDURES

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Mercury Cougar AUTOMOBILES

DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 1990 Mercury Cougar LS 3.8 V6 GAS

Disassemble

Do not clamp driveshaft in jaws of a vice or a similar holding fixture.

  • Place driveshaft on a suitable workbench.
  • Mark positions of driveshaft components relative to driveshaft tube. This ensures all components are reassembled in same relationship to maintain correct balance.
  • Index driveshaft and driveshaft components.
  • Clamp U-Joint Tool in a vise.
  • Remove snap rings.
  • If bearing cup cannot be pressed all way out, remove it with vise grips.
  • Remove driveshaft slip-yoke.
  • Position driveshaft in U-Joint Tool.
  • Press out a bearing cup.
  • Rotate driveshaft 180 degrees.
  • Press on...

CLICK HERE TO GET FULL ACCESS TO 1990 Mercury Cougar DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Mercury Cougar AUTOMOBILES

Alternator, Replace
Vehicle: 1990 Mercury Cougar XR-7 3.8 V6 GAS

  • Disconnect battery ground cable.
  • Disconnect wire harness attachments to alternator assembly.
  • Loosen alternator pivot bolts. Remove adjustment arm bolt from alternator.
  • Disengage alternator drive belt fr...

CLICK HERE TO GET FULL ACCESS TO 1990 Mercury Cougar STARTER & ALTERNATOR REPLACEMENT PROCEDURES

MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Mercury Cougar AUTOMOBILES

Ford Motor Co. Cars -> Service Interval Reminder -> 1990-93 Cougar & Thunderbird
Vehicle: 1990 Mercury Cougar XR-7 3.8 V6 GAS

At approximately 7500 miles, for models less super charged engine, the engine oil change indicator on the Vehicle Maintenance Monitor will indicate an oil change is needed. On mode...

CLICK HERE TO GET FULL ACCESS TO 1990 Mercury Cougar MAINTENANCE LAMP RESET PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Mercury Cougar AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1990 Mercury Cougar LS 3.8 V6 GAS

Lower

  • Drain coolant into a suitable container.
  • Loosen hose clamp connecting hose to radiator.
  • Loosen hose clamp connecting hose to water inlet tube.
  • Remove hose from vehicle.
  • Reverse procedure t...

CLICK HERE TO GET FULL ACCESS TO 1990 Mercury Cougar RADIATOR & HOSE REPLACEMENT PROCEDURES

SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Mercury Cougar AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1990 Mercury Cougar XR-7 3.8 V6 GAS

  • Rotate automatic tensioner away from belt.
  • Remove old belt from pulleys.
  • Install new belt over pulleys.
  • Ensure all V-groo...

CLICK HERE TO GET FULL ACCESS TO 1990 Mercury Cougar SERPENTINE BELT SERVICE PROCEDURES

COMPONENT LOCATION DIAGRAMS FOR 1990 Mercury Cougar AUTOMOBILES

Component location diagrams for most 1990 Mercury Cougar cars and light trucks sold in the U.S. from 1990+.

Engine Compartment  Diagram for 1990 Mercury Cougar LS 3.8 V6 GASEngine Compartment Diagram for 1990 Mercury Cougar LS 3.8 V6 GAS

Components on diagram:
  • Washer Fluid Level Switch
  • TFI Ignition Module
  • Starter Relay
  • Washer Pump Motor
  • Ignition Coil
  • Rear Of Engine  Diagram for 1990 Mercury Cougar LS 3.8 V6 GASRear Of Engine Diagram for 1990 Mercury Cougar LS 3.8 V6 GAS

    Components on diagram:
  • Radio Noise Capacitor
  • Ignition Coil
  • Oil Level Sensor
  • Heated Exhaust Gas Oxygen Sensor
  • Knock Sensor
  • CLICK HERE TO GET FULL ACCESS TO 1990 Mercury Cougar PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1990 Mercury Cougar AUTOMOBILES

    OEM drawn wiring diagrams for most 1990 Mercury Cougar cars and light trucks sold in the U.S.

    1990 Mercury Cougar XR-7 3.8 V6 GAS Wiring Diagram1990 Mercury Cougar XR-7 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Main Light Switch
  • Multi-Function Switch
  • Headlamp Dimmer Sensor
  • Autolamp Auto Dimmer Control
  • HI Lo Beam Relay
  • 1990 Mercury Cougar LS 3.8 V6 GAS Wiring Diagram1990 Mercury Cougar LS 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Moonroof Switch Assembly
  • Moonroof Motor
  • CLICK HERE TO GET FULL ACCESS TO 1990 Mercury Cougar WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1990 Mercury Cougar AUTOMOBILES

    OEM TSB listings for most 1990 Mercury Cougar cars and light trucks sold in the U.S. from 1985+.

    Document: MERCON ATF IS BEING REPLACED BY MERCON V AS A SERVICE FLUID FOR SOME MANUAL TRANSMISSIONS
    Vehicle: 1990 Mercury Cougar XR-7 3.8 V6 GAS

    Auto Systems:
  • Chemicals, Antifreeze, Additives
  • Manual Trans, Clutches, Linkage, MTX
  • Document: MERCON ATF IS BRING REPLACED BY MERCON V ATF AS A SERVICE FLUID
    Vehicle: 1990 Mercury Cougar XR-7 3.8 V6 GAS

    Auto Systems:
  • Chemicals, Antifreeze, Additives
  • Automatic Trans, Coolers, Torque Converter
  • CLICK HERE TO GET FULL ACCESS TO 1990 Mercury Cougar TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1990 Mercury Cougar AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Mercury Cougar cars and light trucks sold in the U.S. and Canada from 1970+.

    • Brake caliper mounting bolt torque
    • Brake drum runout, machining, & discard specs
    • Minimum brake lining thickness.
    • Brake rotor runout, parallelism, machining, discard, & finish specs

    A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1990 Mercury Cougar cars and light trucks sold in the U.S. and Canada from 1980+.

    • Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap

    COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.

    PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules

    QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1990 Mercury Cougar cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.

    • Automatic transmission/transaxles capacities, lubricant recommendations
    • Differential/final drive capacities, lube recommendations, grades, & viscosities
    • Final drive fill & drain plug torques
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
    • Severe service maintenance & interval recommendations
    • Tire sizes, wheel nut/bolt torque, pressures & rim sizes
    • Transfer case capacities, lube recommendations, grades, & viscosities

    TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1990 Mercury Cougar cars and light trucks sold in the U.S. and Canada from 1980+

    • Airflow sensor electrical specifications
    • Tensioning specifications for systems with automatic tensioners
    • Barometric pressure sensor specs
    • Battery group number and cranking performance
    • Crankshaft & camshaft position sensor resistance
    • Engine compression pressures
    • Coolant temperature sensor specs
    • Computer advance.
    • Diesel fuel temperature sensor resistance.
    • Distributor advance specifications
    • Ignition pickup coil resistance
    • Exhaust gas recirculation temperature sensor resistance
    • Engine fastener torque values
    • Firing order diagrams
    • Fuel system pressures
    • Generator (alternator) specs
    • Intake air temperature sensor specs
    • Ignition coil specifications
    • Fuel injector resistance
    • Engine idle speeds
    • Knock sensor resistance
    • Manifold absolute pressure sensor specs
    • Mixture control solenoid resistance
    • Voltage regulator specs
    • Spark plug applications & gaps
    • Starter motor electrical specs.
    • Tensioning specifications for systems without automatic tensioners
    • Throttle body temperature sensor resistance
    • Ignition timing in degrees at rpm
    • Transmission oil temperature sensor resistance
    • Throttle position sensor specs
    • Vacuum sensor valve specs

    CLICK HERE TO GET FULL ACCESS TO 1990 Mercury Cougar SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details1999 Mercury Cougar Oil Pressure Switch, 1/4 in. x 18 NPT thread size; Screw type; 1-prong male terminal; 3 to 7.5 psi operating pressure; A high quality, direct fit OE replacement oil pressure switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $3.90

    Click here to view more details about 1986 Mercury Cougar Headlight, Driver Or Passenger Side1986 Mercury Cougar Headlight, Driver Or Passenger Side, Bulbs included; Sealed beam, low beam, and halogen type; Rectangular; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $16.24

    Click here to view more details1968 Mercury Cougar Driver Side Park Light Mount Pad, Driver Side Park Light Mount Pad, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $3.50

    Click here to view more details1982 Mercury Cougar XR-7 V8, 4.2 L, 255 CID Rebuilt Engine, Rear Dipstick, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,420.00

    Click here to view more details2000 Mercury Cougar Used A/C Compressor, 2.3, AUTO, 4X2 4-140 (2.3L), Very Good.

    Source: Used Auto Parts Store

    $118.00

    Click here to view more details1996 Mercury Cougar Used A/C Compressor, 4.0, MANUAL, 4X2 6-245 (4.0L), Very Good.

    Source: Used Auto Parts Store

    $125.00
    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 1990 Mercury Cougar vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    Auto Repair Quick Search
    Help me find