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1994 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 1994 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 1994 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 1994 Mercury Grand Marquis AUTOMOBILES

Compressor Service -> FRONT & REAR HEAD GASKET, REED VALVE, VALVE PLATE & FRONT SHAFT SEAL, REPLACE -> 10P13, 10P15C & 10P15F -> Installation -> Removal
Vehicle: 1994 Mercury Grand Marquis 4.6 V8 GAS

10P13, 10P15C & 10P15F

The refrigerant system must be discharged and the compressor removed from the vehicle before performing this procedure.

Removal
  • Drain oil from compressor through manifold openings.
  • Clamp compressor in suitable vise, then remove clutch assembly.
  • Remove snap ring and clutch field coil using suitable tools.
  • Remove felt and retainer from front of compressor.
  • Remove shaft key using shaft key remover tool No. T81P-19623-NH, or equivalent.
  • Remov...

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BRAKE SERVICE PROCEDURES FOR 1994 Mercury Grand Marquis AUTOMOBILES

Disc Brakes -> Rear Disc Brakes & Parking Brakes -> Tightening Specifications
Vehicle: 1994 Mercury Grand Marquis 4.6 V8 GAS

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1994 Mercury Grand Marquis AUTOMOBILES

Ford Motor Co. Passenger Cars -> Fuel Filter Replacement -> Except 2002-05 Thunderbird, 2000-06 LS, 1984-87 Escort, Tracer, Tempo & Topaz 2.0L Diesel Engine & 1984-85 Continental & Mark VI 2.4L Diesel Engine
Vehicle: 1994 Mercury Grand Marquis 4.6 V8 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 pro...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1994 Mercury Grand Marquis AUTOMOBILES

DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 1994 Mercury Grand Marquis 4.6 V8 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...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1994 Mercury Grand Marquis AUTOMOBILES

Alternator, Replace
Vehicle: 1994 Mercury Grand Marquis 4.6 V8 GAS

  • Disconnect battery ground cable.
  • Remove engine appearance cover.
  • Remove alternator bracket bolts.
  • Disconnect voltage regulator wiring and output cable from alternator.
  • Remove serpentine belt from alternator pulley...

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MAINTENANCE LAMP RESET PROCEDURES FOR 1994 Mercury Grand Marquis AUTOMOBILES

Ford Motor Co. Cars -> Traction Control System Warning Lamp ->
Vehicle: 1994 Mercury Grand Marquis 4.6 V8 GAS

This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warni...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1994 Mercury Grand Marquis AUTOMOBILES

Radiator, Replace
Vehicle: 1994 Mercury Grand Marquis 4.6 V8 GAS

  • Turn lower fan shroud in upper fan shroud to allow clearance for fan shroud removal.
  • Disconnect cooling fan electrical connector at righthand side of fan shroud.
  • Remove radiator upper sight shield.
  • Loosen fan shroud from its radiator mounting, then remove lower radiator hose from supports on fan shroud.
  • Lift fan shroud and electric cooling fan assembly out of vehicle.
  • Disconnect transmi...

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SERPENTINE BELT SERVICE PROCEDURES FOR 1994 Mercury Grand Marquis AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1994 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 1994 Mercury Grand Marquis AUTOMOBILES

Component location diagrams for most 1994 Mercury Grand Marquis cars and light trucks sold in the U.S. from 1990+.

Behind I/P Diagram for 1994 Mercury Grand Marquis  4.6 V8 GASBehind I/P Diagram for 1994 Mercury Grand Marquis 4.6 V8 GAS

Components on diagram:
  • Warning Chime Module
  • Wiper Control Module
  • ATC Control Module
  • Instrument Cluster
  • Power Antenna Switch
  • Body Component Locations Diagram for 1994 Mercury Grand Marquis  4.6 V8 GASBody Component Locations Diagram for 1994 Mercury Grand Marquis 4.6 V8 GAS

    Components on diagram:
  • Trailer Battery Charging Relay
  • Left Rear Running Lamp
  • Right Backup Lamp
  • Left Backup Lamp
  • Left Rear Side Marker Lamp
  • CLICK HERE TO GET FULL ACCESS TO 1994 Mercury Grand Marquis PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1994 Mercury Grand Marquis AUTOMOBILES

    OEM drawn wiring diagrams for most 1994 Mercury Grand Marquis cars and light trucks sold in the U.S.

    1994 Mercury Grand Marquis  4.6 V8 GAS Wiring Diagram1994 Mercury Grand Marquis 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Fuel Pump
  • Vehicle Speed Sensor (VSS)
  • Coolant Temperature Sender
  • Fuel Gauge Sender
  • Outside Temperature Sensor
  • 1994 Mercury Grand Marquis  4.6 V8 GAS Wiring Diagram1994 Mercury Grand Marquis 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • RH Front Brake Sensor
  • PCM Power Relay
  • Horn
  • Oil Pressure Switch
  • Windshield Wiper Motor
  • CLICK HERE TO GET FULL ACCESS TO 1994 Mercury Grand Marquis WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1994 Mercury Grand Marquis AUTOMOBILES

    OEM TSB listings for most 1994 Mercury Grand Marquis cars and light trucks sold in the U.S. from 1985+.

    Document: CUSTOMER SATISFACTION PROGRAM - UPGRADE MODIFICATIONS FOR HIGH-SPEED REAR IMPACTS - WISCONSIN & CONNECTICUT ONLY
    Vehicle: 1994 Mercury Grand Marquis 4.6 V8 GAS

    Auto Systems:
  • Brakes, Power Brakes, Traction Control
  • Steering, Suspension
  • Finishes, Body Structure, Frame, Bumpers
  • Document: SAFETY RECALL - SPEED CONTROL SYSTEM MODIFICATION
    Vehicle: 1994 Mercury Grand Marquis 4.6 V8 GAS

    Auto Systems:
  • Instruments, Dash Cluster, Warning Lights, Mirrors
  • CLICK HERE TO GET FULL ACCESS TO 1994 Mercury Grand Marquis TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1994 Mercury Grand Marquis AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1994 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 1994 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 1994 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 1994 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 1994 Mercury Grand Marquis SPECIFICATIONS DATA!

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