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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!

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    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 -> CALIPER -> 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

    Before removing calipers, mark left and right hand calipers so they can be installed in the same position.

    • Raise and support front of vehicle, then remove wheel and tire assembly.
    • Loosen brake tube fitting which connects brake tube to fitting on frame and plug brake tube. Remove retaining clip from brake hose and bracket, then disconnect brake hose from caliper.
    • Remove caliper locating pins.
    • Lift caliper from rotor and spindle anchor plate assembly.On models equipped with phenolic caliper piston, do not pry directly ag...

    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 -> Fuel Pressure Relief -> Except Aspire, Festiva, Focus, Fusion, Milan, 2003-06 Crown Victoria, Grand Marquis, Sable, Taurus & Town Car, 1991-96 Escort, 1988-96 Tracer, 1991-94 Capri, 1989-91 Probe & 2005-06 Mustang
    Vehicle: 1990 Mercury Cougar XR-7 3.8 V6 GAS

    Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.

    Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.

    When installing the fuel filter, ensure the flow arrow is facing in the proper direction...

    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 LS 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 -> Check Fuel Cap Lamp ->
    Vehicle: 1990 Mercury Cougar XR-7 3.8 V6 GAS

    The Check Fuel Cap Lamp will illuminate momentarily when the ignition switch is placed in the On position as a bulb check. If the lamp remains...

    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 XR-7 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...

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    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
  • Body & Chassis Components  Diagram for 1990 Mercury Cougar LS 3.8 V6 GASBody & Chassis Components Diagram for 1990 Mercury Cougar LS 3.8 V6 GAS

    Components on diagram:
  • Variable Assist Power Steering Module
  • Soft Ride Relay
  • Inertia Switch
  • Park Brake Switch
  • Electronic Control Assembly
  • 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 LS 3.8 V6 GAS Wiring Diagram1990 Mercury Cougar LS 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Steering Sensor
  • Electronic Engine Control (EEC) Module
  • Firm Ride Indicator
  • Automatic Shock Control Module
  • Power Steering Actuator
  • 1990 Mercury Cougar XR-7 3.8 V6 GAS Wiring Diagram1990 Mercury Cougar XR-7 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Power Mirror Switch
  • Illuminated Entry Timer
  • Left Door Lock Lamp
  • Keyless Entry Module
  • Left Door Courtesy Lamp
  • 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 details about 1995 Mercury Cougar Bumper Trim, Front1995 Mercury Cougar Bumper Trim, Front, Made from tough impact-resistant plastic for maximum durability and tensile strength; Built to exact OE quality, fit, and finish..

    Source: Auto Body Parts Store

    $10.47

    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 details about 1997 Mercury Cougar Head Lamp Assembly, Driver Side1997 Mercury Cougar Head Lamp Assembly, Driver Side, HEAD LAMP ASSEMBLY, LH , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $121.45

    Click here to view more details1982 Mercury Cougar L4, 2.3 L, 140 CID Rebuilt Engine, Turbo, carb, round intake ports, D shaped combustion chamber, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,483.00

    Click here to view more details1993 Mercury Cougar Used Wiper Motor Front, Very Good.

    Source: Used Auto Parts Store

    $66.00

    Click here to view more details1989 Mercury Cougar Used Bumper Bar, Rear, 2DR, Brown, BASE Without foam, Good.

    Source: Used Auto Parts Store

    $144.00
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