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2008 Mercury Mariner 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
- Brake Service
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

BRAKE SERVICE PROCEDURES FOR 2008 Mercury Mariner AUTOMOBILES
Anti-Lock Brakes -> Escape & Mariner -> Troubleshooting -> Symptom Chart
Vehicle: 2008 Mercury Mariner 3.0 V6 GAS
Symptom Chart
Ref...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 Mercury Mariner AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2008 Mercury Mariner Premier 3.0 V6 GAS
Do not swap driveshaft assembles from different vehicles. The Escape Hybrid drive shaft is longer than the driveshaft in the Escape/Mariner and is not interchangeable.
- With vehicle in NEUTRAL, position it on a hoist.
- Remove ground strap bolt.
- Remove and discard 6 front driveshaft-to-transfer case bolts and washers. Do not reuse CV joint bolts and washers. Install new bolts and washers or damage to vehicle may occur.
- Index-mark front driveshaft to center bearing.
- Remove and discard 4 universal joint cap strap bolts and 2 cap straps and remove front driveshaft. Do not reuse bolts a...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Mercury Mariner AUTOMOBILES
Relearn Procedures -> TPMS Sensor Activation -> TPMS Sensor Training
Vehicle: 2008 Mercury Mariner 3.0 V6 GAS
TPMS Sensor Activation
To conserve battery power, the TPMS sensors will go into a sleep mode after approximately 30 minutes of inactivity. The sensors will not transmit tire pressure information while in sleep mode. The sensors must be activated to transmit the latest tire pressure information.
- Place the ignition switch in the On position.
- Position Ford TPMS activation tool, or equivalent, against the LF tire side wall 180° from the valve stem.
- The TPMS activation tool will flash a green light and sound a beep for each successful response from a TPMS sensor.
- Press the TPMS activat...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 Mercury Mariner AUTOMOBILES
Alternator, Replace
Vehicle: 2008 Mercury Mariner 3.0 V6 GAS
- Position vehicle on lift.
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove bolts from righthand lower splash shield.
- Rotate accessory drive belt tensioner counterclockwise and position accessory drive belt aside.
- Press locking tab to release alternator lower air duct from alternator and remove lower air duct.
- Remove battery harness locators from alternator shield.
- Remove heated oxygen sensor wiring harness from lower part of alternator shield.
- Disconnect alternator electrical connectors.
- Position alternator B+ protective cover aside, remove B+ terminal nut and posit...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2008 Mercury Mariner AUTOMOBILES
Cabin Air Filter Service -> Ford Motor Co. -> 2008-09 Escape, Escape Hybrid, Mariner & Mariner Hybrid
Vehicle: 2008 Mercury Mariner Hybrid 2.3 L4 ELECTRIC/GAS
Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.
- Remove the two wiper pivot arms nuts, then remove the wiper arms, Fig. .
- Remove the lefthand and righthand cowl end cap retainers, then the end caps, Fig. .
- ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 Mercury Mariner AUTOMOBILES
Ford Motor Co. Trucks -> Traction Control System Warning Lamp ->
Vehicle: 2008 Mercury Mariner Hybrid 2.3 L4 ELECTRIC/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 2008 Mercury Mariner AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2008 Mercury Mariner Premier 3.0 V6 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater core inlet hose clamp at thermostat housing.
- Remove hose from thermostat housing.
- Reposition heater hose inlet clamp at heater core.
- Remove heater inlet hose from heater core.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Drain cooling system into a suitable container.
- Reposition heater hose outlet clamp at heater core.
- Disconnect heater outlet ho...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 Mercury Mariner AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 Mercury Mariner 2.3 L4 GAS
- Rotate counterclockwise the belt tensioner arm, using a suitable tool to relieve tension fro...
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COMPONENT LOCATION DIAGRAMS FOR 2008 Mercury Mariner AUTOMOBILES
Component location diagrams for most 2008 Mercury Mariner cars and light trucks sold in the U.S. from 1990+.
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WIRING DIAGRAMS FOR 2008 Mercury Mariner AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Mercury Mariner cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Mercury Mariner AUTOMOBILES
OEM TSB listings for most 2008 Mercury Mariner cars and light trucks sold in the U.S. from 1985+.
Document: LOWER CONTROL ARM BUSHING INSPECTION PROCEDURE Vehicle: 2008 Mercury Mariner Premier 3.0 V6 GAS Auto Systems: |
Document: ROTATIONAL CLICKING NOISE FROM 17 INCH CHROME WHEEL CLADDING Vehicle: 2008 Mercury Mariner Premier 3.0 V6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Mercury Mariner AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 Mercury Mariner 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 Mariner 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 Mariner 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 Mariner 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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