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1998 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 1998 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 1998 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 1998 Mercury Grand Marquis AUTOMOBILES

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 1998 Mercury Grand Marquis 4.6 V8 GAS

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BRAKE SERVICE PROCEDURES FOR 1998 Mercury Grand Marquis AUTOMOBILES

Disc Brakes -> Rear Disc Brakes & Parking Brakes -> Inspection
Vehicle: 1998 Mercury Grand Marquis 4.6 V8 GAS

Remove wheels and inspect brake disc, calipers and linings. Inspect and repack wheel bearings if necessary.

If the caliper is cracked or fluid leakage through the casting is evident, it must be replaced as a unit.

If caliper was removed when installing new parts, clean all parts in alcohol, then wipe dry using lint-free cloths. Using an air hose, blow out drilled passages and bores. Inspect dust boots for punctures or tears. If punctures or tears are evident, install new boots during assembly.

Inspect piston bores in both housings for scoring or pitting. Bores showing light scratches or...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Mercury Grand Marquis AUTOMOBILES

Ford Motor Co. Passenger Cars -> Component Locations -> 2003-04 Marauder, 1987-06 Crown Victoria, Grand Marquis & Town Car
Vehicle: 1998 Mercury Grand Marquis 4.6 V8 GAS

CLICK HERE TO GET FULL ACCESS TO 1998 Mercury Grand Marquis FUEL FILTER REPLACEMENT PROCEDURES

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 Mercury Grand Marquis AUTOMOBILES

DRIVESHAFT, Replace
Vehicle: 1998 Mercury Grand Marquis 4.6 V8 GAS

  • Raise and support vehicle.
  • Index-mark driveshaft. Place a paint index-mark on pinion flange to driveshaft centering socket yoke.
  • Remove driveshaft-to-driveshaft pinion flange bolts.
  • Place a paint index-mark on driveshaft slip-yoke to transmissio...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 Mercury Grand Marquis AUTOMOBILES

Alternator, Replace
Vehicle: 1998 Mercury Grand Marquis 4.6 V8 GAS

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

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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 Mercury Grand Marquis AUTOMOBILES

Ford Motor Co. Cars -> Powertrain Malfunction Indicator ->
Vehicle: 1998 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.

CLICK HERE TO GET FULL ACCESS TO 1998 Mercury Grand Marquis MAINTENANCE LAMP RESET PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1998 Mercury Grand Marquis AUTOMOBILES

Radiator, Replace
Vehicle: 1998 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 transmission oil co...

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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 Mercury Grand Marquis AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1998 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 1998 Mercury Grand Marquis AUTOMOBILES

Component location diagrams for most 1998 Mercury Grand Marquis cars and light trucks sold in the U.S. from 1990+.

Engine Compartment Components Diagram for 1998 Mercury Grand Marquis  4.6 V8 GASEngine Compartment Components Diagram for 1998 Mercury Grand Marquis 4.6 V8 GAS

Components on diagram:
  • Windshield Washer Low Fluid Switch
  • Relay Center
  • PCM Power Relay
  • Brake Fluid Level Switch
  • Fuel Pump Relay
  • Engine Compartment Components Diagram for 1998 Mercury Grand Marquis  4.6 V8 GASEngine Compartment Components Diagram for 1998 Mercury Grand Marquis 4.6 V8 GAS

    Components on diagram:
  • Engine Fuel Temperature Sensor
  • Injection Pressure Sensor
  • Natural Gas Vehicle Module
  • Fuel Rail Cutoff Solenoid
  • Connector C-100
  • CLICK HERE TO GET FULL ACCESS TO 1998 Mercury Grand Marquis PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1998 Mercury Grand Marquis AUTOMOBILES

    OEM drawn wiring diagrams for most 1998 Mercury Grand Marquis cars and light trucks sold in the U.S.

    1998 Mercury Grand Marquis  4.6 V8 GAS Wiring Diagram1998 Mercury Grand Marquis 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Fuel Tank Assembly
  • LR Park Lamps
  • RR Park Lamps
  • RR Park/Stop/Turn Lamps
  • LH Park/Stop/Turn Lamps
  • 1998 Mercury Grand Marquis  4.6 V8 GAS Wiring Diagram1998 Mercury Grand Marquis 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Horn Relay
  • Horn Switches
  • Clockspring Assembly
  • Speed Control Servo Assembly
  • Horn Assembly
  • CLICK HERE TO GET FULL ACCESS TO 1998 Mercury Grand Marquis WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1998 Mercury Grand Marquis AUTOMOBILES

    OEM TSB listings for most 1998 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: 1998 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: 1998 Mercury Grand Marquis 4.6 V8 GAS

    Auto Systems:
  • Instruments, Dash Cluster, Warning Lights, Mirrors
  • CLICK HERE TO GET FULL ACCESS TO 1998 Mercury Grand Marquis TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1998 Mercury Grand Marquis AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 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 1998 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 1998 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 1998 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 1998 Mercury Grand Marquis SPECIFICATIONS DATA!

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

    Click here to view more details about 2004 Mercury Grand Marquis Window Regulator, Front, Driver Side2004 Mercury Grand Marquis Window Regulator, Front, Driver Side.

    Source: Auto Body Parts Store

    $25.44

    Click here to view more details about 2000 Mercury Grand Marquis Engine Harmonic Balancer2000 Mercury Grand Marquis Engine Harmonic Balancer, A high quality, direct fit OE replacement harmonic balancer; With limited lifetime warranty..

    Source: Auto Body Parts Store

    $15.86

    Click here to view more details about 2008 Mercury Grand Marquis 16" x 7" Alloy Wheel2008 Mercury Grand Marquis 16" x 7" Alloy Wheel, Alloy Wheel; 16 X 7; 54MM Offset; 16 Spokes; 5 Lug; 4.5 Inch BP; Machined With Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $117.50

    Click here to view more details about 1978 Mercury Grand Marquis V8, 6.6 L, 400 CID Rebuilt Engine1978 Mercury Grand Marquis V8, 6.6 L, 400 CID Rebuilt Engine, Smog in heads., 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

    $109.00

    Click here to view more details2008 Mercury Grand Marquis Used Bumper Bar, Front, 4DR, SIL, GS w/foam, Very Good.

    Source: Used Auto Parts Store

    $194.00
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