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Mercury Grand Marquis 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 Mercury Grand Marquis 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 Grand Marquis automobile. Try the Automotix DIY solution today!
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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 Mercury Grand Marquis 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 Mercury Grand Marquis AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported Mercury Grand Marquis cars and light trucks from 1990+

Electric Cooling Fans -> Description -> Except Villager -> Villager
Vehicle: 2000 Mercury Grand Marquis 4.6 V8 GAS

Except Villager

The PCM monitors vehicle parameters such as engine coolant temperature, vehicle speed and air conditioning system status. PCM controls fan operation through fan control output (single speed fan applications) or the low fan control and high fan control outputs.

Villager

The cooling fan is installed on the rear of the radiator and uses a two-speed electric motor mounted within the shroud. Three cooling fan relays (LO, HI 1 and HI 2) control operation of the fan. The high fan control relay 2 (HI 2) is a safety relay, ensuring cooling fan mot...

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BRAKE SERVICE PROCEDURES FOR Mercury Grand Marquis AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Mercury Grand Marquis cars and light trucks from 1990+.

Disc Brakes -> Front Disc Brakes -> Troubleshooting -> Abnormal Conditions -> Brake Booster Operation Test -> Brake Master Cylinder -> Brake Roughness -> Bypass Condition Inspection -> Lateral Runout -> Non-Pressure Leaks -> Normal Conditions -> Thickness Variation -> Wheel Bearing Looseness
Vehicle: 2006 Mercury Grand Marquis LS 4.6 V8 GAS

Brake Roughness

Thickness Variation

If roughness or vibration is encountered during highway operation or if pedal pumping is experienced at low speeds, the disc may have excessive thickness variation. Measure the disc at 12 points with a micrometer at a radius approximately one inch from edge of disc. If thickness measurements vary by more than .0005 inch, replace the disc.

Lateral Runout

Excessive lateral runout of braking disc may cause a knocking back of the pistons, possibly creating increased pedal travel and vibration when brakes are applied.

Wheel Bearing Looseness

Replace whee...

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FUEL FILTER REPLACEMENT PROCEDURES FOR Mercury Grand Marquis AUTOMOBILES

Fuel filter replacement procedures with corresponding images for most domestic and imported Mercury Grand Marquis cars and light trucks sold in the U.S. for 1980+.

Ford Motor Co. Passenger Cars -> Fuel Shutoff Switch Location -> 1997-06 Crown Victoria, Grand Marquis & Marauder
Vehicle: 1998 Mercury Grand Marquis 4.6 V8 GAS

The inertia swi...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Mercury Grand Marquis AUTOMOBILES

Includes CV axle, universal joint, and driveline replacement, for domestic and imported Mercury Grand Marquis cars and light trucks from 1990+.

DRIVESHAFT U-JOINT, Replace -> Aluminum Driveshaft -> Steel driveshaft
Vehicle: 2007 Mercury Grand Marquis GS 4.6 V8 FLEX

Steel driveshaft

Do not clamp driveshaft in the jaws of a vise or a similar holding fixture. Carefully place driveshaft on a suitable workbench.

Index-mark driveshaft components relative to driveshaft tube. Make sure all components are reassembled in the same relationship to maintain correct balance. Index-mark driveshaft and driveshaft components.

  • Remove snap rings from universal joint.
  • Using press plates, position driveshaft so universal joint spider supports flange yoke or slip joint yoke.
  • The bearing cup cannot be driven all the way out. Rotate driveshaft when univers...

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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Mercury Grand Marquis AUTOMOBILES

Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported Mercury Grand Marquis cars and light trucks sold in the U.S. from mid 1990's+.

Component Replacement -> Installation -> Removal -> TPMS Sensor Strap & Cradle -> TPMS System Sensor
Vehicle: 2008 Mercury Grand Marquis GS 4.6 V8 FLEX

TPMS System Sensor

Removal

If damaged, the TPMS sensor battery may release hazardous chemicals. If the chemicals come in contact with the skin or eyes, flush immediately with water for 15 minutes and seek medical attention.

The tire pressure sensor is equipped with a Lithium-ion battery which must be disposed of properly.

Tire pressure sensors are manufactured in multiple colors based on their application. When installing a new sensor, make sure the color of the sensor being installed matches the color of the sensor that was removed. The different colored sensors are not inter...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Mercury Grand Marquis AUTOMOBILES

Includes starter and alternator replacement procedures for domestic and imported Mercury Grand Marquis cars and light trucks from 1990+.

Alternator, Replace
Vehicle: 2002 Mercury Grand Marquis 4.6 V8 GAS

  • Disconnect battery ground cable.
  • Remove engine cover screws, then engine cover.
  • Loosen intake induction resonator clamp, then remove intake induction resonator.
  • Release tension, then remove accessory drive belt from alternator pulley.
  • Remove alternator electrical connector nut, then remove electrical connectors.
  • Rem...

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MAINTENANCE LAMP RESET PROCEDURES FOR Mercury Grand Marquis AUTOMOBILES

Maintenance lamp reset procedures with corresponding images for most domestic and imported Mercury Grand Marquis cars and light trucks sold in the U.S. from 1990+.

Ford Motor Co. Cars -> Powertrain Malfunction Indicator ->
Vehicle: 1993 Mercury Grand Marquis 4.6 V8 GAS

This lamp should light when the ignition is turned On. After engine starts, the lamp should go off, unless a fault condition is detected in the powertrain system. If the lamp remains On a diagnostic trouble code is stored in the PCM. Following diagnosis and repair, the Powertrain Malfunction Indicator will automatically reset when stored diagnostic trouble codes are cleared from PCM memory. The PCM reset procedure allows the scan tool to command the PCM to clear all diagnostic trouble codes.

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Mercury Grand Marquis AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported Mercury Grand Marquis cars and light trucks from 1990+

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1998 Mercury Grand Marquis 4.6 V8 GAS

Inlet

  • Drain cooling system into a suitable container.
  • Reposition heater hose inlet clamp at heater core.
  • Remove heater inlet hose from heater core.
  • Reposition heater core inlet hose clamp at engine.
  • Remove hose from engine.
  • Remove hose from vehicle.
  • Reverse procedure to in...

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SERPENTINE BELT SERVICE PROCEDURES FOR Mercury Grand Marquis AUTOMOBILES

Serpentine belt replacement procedures with corresponding images for most domestic and imported Mercury Grand Marquis cars and light trucks sold in the U.S. from 1990+.

Serpentine Drive Belt, Replace
Vehicle: 1993 Mercury Grand Marquis 4.6 V8 GAS

  • Rotate tensioner away from belt using a breaker bar installed in 1/2 inch square hole in tensioner arm.
  • Lift old belt over alternator pulley...

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COMPONENT LOCATION DIAGRAMS FOR Mercury Grand Marquis AUTOMOBILES

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

Engine Compartment Diagram for 2006 Mercury Grand Marquis LS 4.6 V8 GASEngine Compartment Diagram for 2006 Mercury Grand Marquis LS 4.6 V8 GAS

Components on diagram:
  • Wheel Speed Sensor
  • Horn
  • Engine Cooling Fan Motor
  • Daytime Running Lamps Module
  • ABS Control Module
  • Luggage Compartment Diagram for 2008 Mercury Grand Marquis GS 4.6 V8 FLEXLuggage Compartment Diagram for 2008 Mercury Grand Marquis GS 4.6 V8 FLEX

    Components on diagram:
  • Luggage Compartment Lid Release Solenoid
  • Trunk Air Circulation Fan Motor
  • Connector C405
  • Rear Deck LED Flasher
  • Connector C406
  • CLICK HERE TO GET FULL ACCESS TO Mercury Grand Marquis PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR Mercury Grand Marquis AUTOMOBILES

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

    2003 Mercury Grand Marquis  4.6 V8 GAS Wiring Diagram2003 Mercury Grand Marquis 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Horn Relay
  • Lighting Control Module
  • Air Bag Sliding Contact
  • 2008 Mercury Grand Marquis GS 4.6 V8 FLEX Wiring Diagram2008 Mercury Grand Marquis GS 4.6 V8 FLEX Wiring Diagram

    Components on diagram:
  • Ambient Air Temperature Sensor
  • Auto Lamp Sensor
  • In Vehicle Temperature Sensor
  • Center Junction Box
  • EATC HVAC Module
  • CLICK HERE TO GET FULL ACCESS TO Mercury Grand Marquis WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR Mercury Grand Marquis AUTOMOBILES

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

    Document: A/C USE OF CORRECT FLUORESCENT DYE - SERVICE TIP
    Vehicle: 1990 Mercury Grand Marquis 5.0 V8 GAS

    Auto Systems:
  • Chemicals, Antifreeze, Additives
  • Heating, A/C, Ventilation, Defogger
  • Document: A/C - ODOR TREATMENT - SERVICE PROCEDURE
    Vehicle: 1986 Mercury Grand Marquis 5.8 V8 GAS

    Symptoms:
  • Odors
  • Auto Systems:
  • Heating, A/C, Ventilation, Defogger
  • CLICK HERE TO GET FULL ACCESS TO Mercury Grand Marquis TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR Mercury Grand Marquis AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Mercury Grand Marquis 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 Mercury Grand Marquis 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 Mercury Grand Marquis 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 Mercury Grand Marquis 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 Mercury Grand Marquis SPECIFICATIONS DATA!

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

    Click here to view more details2006 Mercury Grand Marquis Door Molding, Driver Side, With chrome trim; A high quality, direct fit OE replacement door molding; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $64.21

    Click here to view more details about 2008 Mercury Grand Marquis Grille Assembly2008 Mercury Grand Marquis Grille Assembly, With emblem provision and vertical billet grille insert; A high quality, direct fit OE replacement grille assembly..

    Source: Auto Body Parts Store

    $85.78

    Click here to view more details about 2002 Mercury Grand Marquis 16" x 7" Alloy Wheel2002 Mercury Grand Marquis 16" x 7" Alloy Wheel, Alloy Wheel; 16 X 7; 20 Teardrops; 5 Lug; 4.5 Inch BP; Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $120.50

    Click here to view more details about 1979 Mercury Grand Marquis V8, 5.8 L, 351 CID Rebuilt Engine1979 Mercury Grand Marquis V8, 5.8 L, 351 CID Rebuilt Engine, Midland, with or without smog., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,328.00

    Click here to view more details2004 Mercury Grand Marquis Used Hub Bearing , Passenger Side, Front; (ABS), Very Good.

    Source: Used Auto Parts Store

    $108.00

    Click here to view more details2006 Mercury Grand Marquis Used Parking Lamp, Driver Side, PARKLAMP/TURN SIGNAL; (SIDE OF FENDER MTD), (INCL CORNERING LAMP), L., Good.

    Source: Used Auto Parts Store

    $108.00
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