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2002 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 2002 Mercury Grand Marquis AUTOMOBILES
Component Replacement & Adjustment -> Passenger Cars -> Evaporator Core, Replace -> Continental -> Cougar -> Crown Victoria & Grand Marquis -> Escort -> Focus -> LS & Thunderbird -> Mustang -> Sable & Taurus -> Town Car
Vehicle: 2002 Mercury Grand Marquis 4.6 V8 GAS
Continental
The evaporator core is not serviced separately and can only be replaced with the evaporator housing assembly.
- Remove seats and rear seat airflow duct.
- Remove instrument panel as outlined under "Instrument Panel."
- Drain coolant into suitable container to level below heater core.
- Recover refrigerant as outlined under .
- Disconnect Powertrain Control Module (PCM) electrical connector.
- Disconnect heater core hoses.
- Disconnect vacuum supply hose.
- Disconnect condenser to evaporator tube and evaporato...
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BRAKE SERVICE PROCEDURES FOR 2002 Mercury Grand Marquis AUTOMOBILES
Anti-lock Brakes -> Crown Victoria, Grand Marquis, Marauder & Town Car -> System Service -> 1999 -> 2000-03 -> Brake System Bleed -> Component Replacement -> Front Speed Indicator Ring -> Front Wheel Sensor -> Hydraulic Control Unit -> Installation -> Rear Speed Indicator Ring -> Rear Wheel Sensor -> Removal -> Stop Lamp Switch
Vehicle: 2002 Mercury Grand Marquis 4.6 V8 GAS
Brake System Bleed
Refer to "Hydraulic Brake Systems" for bleed procedure.
Component Replacement
Hydraulic Control Unit
1999
- Disconnect connector attaching anti-lock brake module to wire harness.
- Remove tubes from inlet ports of pump motor and tubes from outlet ports of brake pressure control valve block. Plug each port to prevent brake fluid from spilling on paint and wiring.
- Remove HCU to mounting bracket retaining nuts, then tip rear of HCU up and pull rearward to slide forward mounting pins out of the retaining grommets.
- Remove HCU from vehicle.
- Reverse procedure to install, noting the ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2002 Mercury Grand Marquis 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: 2002 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 proper direction...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2002 Mercury Grand Marquis AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2002 Mercury Grand Marquis 4.6 V8 GAS
- Raise and support the vehicle.
- Index-mark the driveshaft. Place a paint index-mark on the pinion flange to the driveshaft centering socket yoke.
- Remove the driveshaft-to-driveshaft pinion flange bolts.
- Place a paint index-mark on the driveshaft slip-yoke to the trans...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 Mercury Grand Marquis AUTOMOBILES
Starter, Replace
Vehicle: 2002 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 transmission cooler lines and bracket aside.
- Remove upper starter motor mounting bolts, lower bolt, then starter motor...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2002 Mercury Grand Marquis AUTOMOBILES
Ford Motor Co. Cars -> Low Coolant Lamp ->
Vehicle: 2002 Mercury Grand Marquis 4.6 V8 GAS
The low coolant warning lamp should light whenever the coolant level in the coolant recovery bottle is 1/4 to 3/4 inch or more below the cold full mark. Raise coolant level in recovery bottle to the cold full mark to turn lamp off.
On models equipped with GEM module and low coolant level warning system, t...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2002 Mercury Grand Marquis AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2002 Mercury Grand Marquis 4.6 V8 GAS
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp from oil filter adapter.
- Remove radiator outlet hose from oil filter adapter.
- Reposition hose clamp from degas bottle.
- Remove radiator outlet hose from degas bottle.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose fro...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2002 Mercury Grand Marquis AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2002 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 2002 Mercury Grand Marquis AUTOMOBILES
Component location diagrams for most 2002 Mercury Grand Marquis cars and light trucks sold in the U.S. from 1990+.
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![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2002 Mercury Grand Marquis AUTOMOBILES
OEM drawn wiring diagrams for most 2002 Mercury Grand Marquis cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2002 Mercury Grand Marquis AUTOMOBILES
OEM TSB listings for most 2002 Mercury Grand Marquis cars and light trucks sold in the U.S. from 1985+.
Document: WHITE FLAKES COMING FROM A/C VENTS - REVISED Vehicle: 2002 Mercury Grand Marquis 4.6 V8 GAS Auto Systems: |
Document: RECALL - CERTAIN 1992-2003 MODEL YEAR CARS AND TRUCKS - FUSED JUMPER HARNESS REPLACEMENT FOR VEHICLES SERVICED WITH AN INCOMPATIBLE FUSED JUMPER HARNESS Vehicle: 2002 Mercury Grand Marquis 4.6 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2002 Mercury Grand Marquis AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2002 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 2002 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 2002 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 2002 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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