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2004 Mercury Grand Marquis CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Mercury REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 2004 Mercury Grand Marquis AUTOMOBILES
Manual Air Conditioning & Heater System Diagnosis & Testing -> Crown Victoria, Grand Marquis & Marauder -> Troubleshooting
Vehicle: 2004 Mercury Grand Marquis 4.6 V8 GAS
- Visually inspection for mechanical damage, such as:
- Loose, missing or damaged compressor drive belt.
- Loose or disconnected clutch.
- Loose, misrouted or damaged vacuum lines.
- Broken or leaking vacuum control motor.
- Broken or leaking refrigerant lines.
- Obstructed in-vehicle temperature sensor.
- Disconnect in-vehicle temperature aspirator hose.
- Visually inspection for electrical damage, such as:
- Open fuses.
- Blower motor inoperative.
- Compressor inoperative.
- Circuitry open/shorted.
- Disconnected, loos...
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BRAKE SERVICE PROCEDURES FOR 2004 Mercury Grand Marquis AUTOMOBILES
Power Brake Units -> Brake System Bleed -> System Priming -> Wheel Bleeding Sequence
Vehicle: 2004 Mercury Grand Marquis 4.6 V8 GAS
Pressure bleeding is recommended for all hydraulic brake systems. Ensure all dirt and contaminants are removed from master cylinder area prior to removing reservoir cap.
To prevent air from the pressure tank getting into the lines, do not shake the tank while air is being added to the tank or after it has been pressurized. Set the tank in the required location, bring the air hose to the tank, and do not move it during the bleeding operation. The tank should be kept at least one-third full.
On vehicles equipped with disc brakes and master cylinders without proportioners or press...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 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: 2004 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 2004 Mercury Grand Marquis AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2004 Mercury Grand Marquis 4.6 V8 GAS
To maintain proper drive line balance, mark driveshaft, universal joints, slip yoke and companion flange before removing shaft so it can be installed in its original position.
- Raise and support vehicle.
- Index-mark rear axle pinion flange and driveshaft centering socket yoke.
- Remove four bolts.
- The driveshaft centering socket yoke fits tightly on the rear axle pinion flange pilot. Never hammer on the driveshaft or any of its components to disconnect the yoke from the flange. Using a suitable to...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Mercury Grand Marquis AUTOMOBILES
Starter, Replace
Vehicle: 2004 Mercury Grand Marquis 4.6 V8 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove starter motor solenoid terminal cover and disconnect cables.
- Remove bolt, then position transaxle cooler lines and bracket aside.
- Remove upper mounting bolts, lower bolt and starter motor from veh...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Mercury Grand Marquis AUTOMOBILES
Ford Motor Co. Cars -> Powertrain Malfunction Indicator ->
Vehicle: 2004 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 2004 Mercury Grand Marquis AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2004 Mercury Grand Marquis 4.6 V8 GAS
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp from engine.
- Remove radiator outlet hose from engine.
- Reposition hose clamp from degas bottle.
- Remove radiator outlet hose from degas bottle.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose from radiator and from vehicle.
- R...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Mercury Grand Marquis AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 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 2004 Mercury Grand Marquis AUTOMOBILES
Component location diagrams for most 2004 Mercury Grand Marquis cars and light trucks sold in the U.S. from 1990+.
In Luggage Compartment Diagram for 2004 Mercury Grand Marquis 4.6 V8 GAS Components on diagram: |
Refrigeration System Components Diagram for 2004 Mercury Grand Marquis 4.6 V8 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2004 Mercury Grand Marquis AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Mercury Grand Marquis cars and light trucks sold in the U.S.
2004 Mercury Grand Marquis 4.6 V8 GAS Wiring Diagram Components on diagram: |
2004 Mercury Grand Marquis 4.6 V8 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Mercury Grand Marquis AUTOMOBILES
OEM TSB listings for most 2004 Mercury Grand Marquis cars and light trucks sold in the U.S. from 1985+.
Document: WHITE FLAKES COMING FROM A/C VENTS - REVISED Vehicle: 2004 Mercury Grand Marquis 4.6 V8 GAS Auto Systems: |
Document: RECALL - 1992-2004 MULTIPLE VEHICLE LINES - SPEED CONTROL SYSTEM MODIFICATION Vehicle: 2004 Mercury Grand Marquis 4.6 V8 GAS |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Mercury Grand Marquis AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 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 2004 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 2004 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 2004 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
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