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2008 Mercury Grand Marquis CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Mercury REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Wiring Diagrams
- Technical Service Bulletins
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- Brake Service
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
BRAKE SERVICE PROCEDURES FOR 2008 Mercury Grand Marquis AUTOMOBILES
Anti-Lock Brakes -> Crown Victoria, Grand Marquis & Town Car -> System Service -> ABS Control Module -> 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 -> System Priming -> Wheel Bleeding Sequence
Vehicle: 2008 Mercury Grand Marquis LS 4.6 V8 GAS
Brake System Bleed
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 proporti...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 Mercury Grand Marquis AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2008 Mercury Grand Marquis LS 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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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Mercury Grand Marquis AUTOMOBILES
Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Trouble Code Identification -> Intermittent & Poor Connections -> Intermittents -> Poor Connections -> Symptom Test
Vehicle: 2008 Mercury Grand Marquis LS 4.6 V8 GAS
Accessing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to DLC (Data Link Connector) and follow scan tool manufacturer's instructions.
Diagnostic Trouble Code Identification
Refer to Fig. , for diagnostic trouble code identification.
Clearing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to DLC (Data Link Connector), and follow the scan tool manufacturer's instructions.
Symptom Test
Refer to Fig. , for Symptom Test Chart.
Intermittent & Poor Connections
Intermittents
Most intermittents are caused by faulty electrical connections or wiring. Inspect...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 Mercury Grand Marquis AUTOMOBILES
Alternator, Replace
Vehicle: 2008 Mercury Grand Marquis GS 4.6 V8 GAS
- Disconnect battery ground cable at battery.
- Remove nut and engine cover.
- Rotate accessory drive belt tensioner clockwise and position accessory drive belt aside.
- Disconnect alternator electrical connector.
- Position protective boot aside, remove nut and position alternator B+ terminal aside.
- Remove battery cable harness locator from alte...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 Mercury Grand Marquis AUTOMOBILES
Ford Motor Co. Cars -> Powertrain Malfunction Indicator ->
Vehicle: 2008 Mercury Grand Marquis LS 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 2008 Mercury Grand Marquis AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2008 Mercury Grand Marquis GS 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 intake manifold.
- Remove hose from intake manifold.
- Remove hose from vehicle.
- Reverse procedure to install.
Ou...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 Mercury Grand Marquis AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 Mercury Grand Marquis GS 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 2008 Mercury Grand Marquis AUTOMOBILES
Component location diagrams for most 2008 Mercury Grand Marquis cars and light trucks sold in the U.S. from 1990+.
Transmission Diagram for 2008 Mercury Grand Marquis LS 4.6 V8 FLEX Components on diagram: |
Headlamp Switch Assembly Diagram for 2008 Mercury Grand Marquis LS 4.6 V8 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2008 Mercury Grand Marquis AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Mercury Grand Marquis cars and light trucks sold in the U.S.
2008 Mercury Grand Marquis LS 4.6 V8 FLEX Wiring Diagram Components on diagram: |
2008 Mercury Grand Marquis GS 4.6 V8 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Mercury Grand Marquis AUTOMOBILES
OEM TSB listings for most 2008 Mercury Grand Marquis cars and light trucks sold in the U.S. from 1985+.
Document: CAMEL COLOR DRIVER AND/OR PASSENGER SIDE SUN VISOR MIRROR COVER CRACKED Vehicle: 2008 Mercury Grand Marquis LS 4.6 V8 GAS Auto Systems: |
Document: INOPERATIVE RKE TRANSMITTER (KEY FOB) - DISCHARGED KEY FOB BATTERY Vehicle: 2008 Mercury Grand Marquis LS 4.6 V8 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Mercury Grand Marquis AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 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 2008 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 2008 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 2008 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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