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2003 Mercury Mountaineer CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Mercury REPAIR SHOPS DON'T WANT YOU TO KNOW

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Mercury Mountaineer 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 Mountaineer 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 2003 Mercury Mountaineer 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 2003 Mercury Mountaineer AUTOMOBILES

A/C & Cooling System Maintenance -> Ford Motor Co. -> 2003-04 Ford Escape, Explorer, Ranger & Mercury Mountaineer
Vehicle: 2003 Mercury Mountaineer 4.6 V8 GAS

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BRAKE SERVICE PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Hydraulic Brake Systems -> Component Replacement -> Aviator -> E-Series -> Escape -> Excursion & F-Super Duty -> Expedition, Explorer, Explorer Sport & Sport/Trac, F-150, F-250LD, Mountaineer & Navigator -> Less Hydro Max -> Master Cylinder -> Ranger -> Villager -> Windstar -> With Hydro-Max
Vehicle: 2003 Mercury Mountaineer 4.6 V8 GAS

Master Cylinder

Aviator

Remove components in sequence illustrated,. Fig. .

E-Series
  • Drain brake master cylinder with suitable suction device.
  • Remove coolant reservoir.
  • On models equipped with Hydro Boost, remove three power distribution box bracket bolts and position box aside.
  • On all models, remove speed control deactivator switch.
  • Disconnect fluid level sensor connector.
  • Remove and discard master cylinder mounting nuts.
  • Disconnect master cylinder brake tubes.
  • Remove master cylinder cylinder.
  • Reverse procedure to install, noting the following:
    • Torque master cylinder mounting nuts to 1...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Ford Motor Co. Light Trucks, SUVs & Vans -> Fuel Pressure Relief -> Gasoline Fuel Injected Engines Except Escape, Freestar, Mariner, Monterey, Villager, 2005-06 Aviator, Explorer & Mountaineer, 2005-06 Expedition & Navigator & 2004-06 F150 & Mark LT
Vehicle: 2003 Mercury Mountaineer 4.6 V8 GAS

The fuel system remains under high pressure even when the engine is not running. This residual pressure must be relieved before servicing the fuel system. To avoid injury or fire, release pressure from the fuel system before disconnecting any fuel line.

The fuel system pressure must be relieved prior to disconnecting fuel lines to prevent accidental spray of fuel.

After the battery ...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

DRIVESHAFT, Replace -> Four Wheel Drive (4WD) -> Front -> Rear -> Two Wheel Drive (2WD)
Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

Front

The electrical power to the air suspension system must be shut off prior to hoisting, jacking or towing an air suspension vehicle. This can be accomplished by turning off the air suspension switch located in the rear jack storage area. Failure to do so can result in unexpected inflation or deflation of the air springs, which can result in shifting of the vehicle during these operations.

  • With vehicle in neutral, raise and support vehicle.
  • Index-mark front axle pinion flange to front driveshaft.
  • Remove transfer case skid plate.
  • Index-mark transfer case pinion flange to front ...

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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Component Replacement -> Pressure Monitor Sensor Replacement
Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

Pressure Monitor Sensor Replacement

Use only tool no. 204-354 anytime tire pressures are measured to be sure that accurate values are obtained. Place air chuck straight on the valve stem to inflate tire. Do not cock air chuck during inflation cycle. Doing so can damage valve stem and cause air leaks. Ford recommends using a round head air chuck on tire pressure sensors; it is not recommended to use air chucks with long shanks. Doing so can cause tire pressure sensor valve stem damage and loss of tire pressure.

  • Remove wheel and tire assembly.
  • With valve stem at the 6 o'cloc...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Starter, Replace
Vehicle: 2003 Mercury Mountaineer 4.6 V8 GAS

  • Disconnect battery ground cable.
  • Raise and support vehicle.
  • Remove starter motor electrical connectors.
  • Remove upper and lower starter motor mounting bolts, then starter motor from v...

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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Ford Motor Co. Trucks -> Anti-Lock Or Rear Anti-Lock Brake System Warning ->
Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

Red and yellow indicator lamps are used to warn of system faults. The red lamp warns of such faults as low brake fluid level, parking brake On, system pressure differential and other system faults. The red indicator lamp will light for approximately two seconds during engine starting and should go off, unless parking brake is applied or a problem in the brake system exist. The red indicator lamp should reset after repairs to system have ...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Radiator, Replace
Vehicle: 2003 Mercury Mountaineer 4.6 V8 GAS

  • Raise and support vehicle.
  • Drain cooling system into suitable...

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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2003 Mercury Mountaineer 4.6 V8 GAS

  • Disconnect battery ground cable from battery.
  • Rotate accessory drive belt tensioner clockwise, using a suitable...

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COMPONENT LOCATION DIAGRAMS FOR 2003 Mercury Mountaineer AUTOMOBILES

Component location diagrams for most 2003 Mercury Mountaineer cars and light trucks sold in the U.S. from 1990+.

Engine Compartment Diagram for 2003 Mercury Mountaineer  4.0 V6 FLEXEngine Compartment Diagram for 2003 Mercury Mountaineer 4.0 V6 FLEX

Components on diagram:
  • Engine Coolant Temperature Sensor
  • Injector 1
  • Injector 3
  • Injector 5
  • Camshaft Position Sensor
  • Behind Rear Seats Diagram for 2003 Mercury Mountaineer  4.6 V8 GASBehind Rear Seats Diagram for 2003 Mercury Mountaineer 4.6 V8 GAS

    Components on diagram:
  • Auxiliary Blower Motor Resistor Assembly
  • Auxiliary Blower Motor
  • Mode Door Actuator
  • Auxiliary A/C Relay
  • Temperature Blend Door Actuator
  • CLICK HERE TO GET FULL ACCESS TO 2003 Mercury Mountaineer PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 Mercury Mountaineer AUTOMOBILES

    OEM drawn wiring diagrams for most 2003 Mercury Mountaineer cars and light trucks sold in the U.S.

    2003 Mercury Mountaineer  4.0 V6 FLEX Wiring Diagram2003 Mercury Mountaineer 4.0 V6 FLEX Wiring Diagram

    Components on diagram:
  • Speed Control
  • Microprocessor
  • 2003 Mercury Mountaineer  4.6 V8 GAS Wiring Diagram2003 Mercury Mountaineer 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Main Light Switch
  • Microprocessor
  • Central Security Module
  • CLICK HERE TO GET FULL ACCESS TO 2003 Mercury Mountaineer WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 Mercury Mountaineer AUTOMOBILES

    OEM TSB listings for most 2003 Mercury Mountaineer cars and light trucks sold in the U.S. from 1985+.

    Document: UNITIZED SEAL DIAGNOSIS - LEAK / GREASE OIL SEPARATION - AXLE BEARING SEAL 8.8 IFS, 8.8 IRS, AND 9.75 IRS AXLES - REVISED
    Vehicle: 2003 Mercury Mountaineer 4.6 V8 GAS

    Symptoms:
  • Leaks
  • Auto Systems:
  • Drive Axles, Shafts, U-Joints, CV-Joints
  • Document: RECALL - CERTAIN 1992-2003 MODEL YEAR CARS AND TRUCKS - FUSED JUMPER HARNESS REPLACEMENT FOR VEHICLES SERVICED WITH AN INCOMPATIBLE FUSED JUMPER HARNESS
    Vehicle: 2003 Mercury Mountaineer 4.6 V8 GAS

    Auto Systems:
  • Chassis Electrical, Wiring, Fuses & Breakers, Wipers, Motors
  • CLICK HERE TO GET FULL ACCESS TO 2003 Mercury Mountaineer TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 Mercury Mountaineer AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Mercury Mountaineer 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 2003 Mercury Mountaineer 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 2003 Mercury Mountaineer 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 2003 Mercury Mountaineer 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 2003 Mercury Mountaineer SPECIFICATIONS DATA!

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    Click here to view more details about 2005 Mercury Mountaineer Headlight, Driver Side2005 Mercury Mountaineer Headlight, Driver Side, Bulbs included; Composite and combination type; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $114.08

    Click here to view more details about 1997 Mercury Mountaineer Bumper Bracket, Front, Passenger Side1997 Mercury Mountaineer Bumper Bracket, Front, Passenger Side, A high quality, OE replacement bumper bracket; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $20.30

    Click here to view more details about 2005 Mercury Mountaineer 16" x 7" Alloy Wheel2005 Mercury Mountaineer 16" x 7" Alloy Wheel, Alloy Wheel; 16 X 7; 6 Double Spokes; 5 Lug; 4.5 Inch BP; With Notch For Cap; Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $117.50

    Click here to view more details about 2002 Mercury Mountaineer V6, 4 L, 245 CID Rebuilt Engine2002 Mercury Mountaineer V6, 4 L, 245 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $2,328.00

    Click here to view more details2004 Mercury Mountaineer Used Rear View Mirror, Factory, Electrochromic, Very Good.

    Source: Used Auto Parts Store

    $68.00

    Click here to view more details2000 Mercury Mountaineer Used Ignition Switch W/Key, Very Good.

    Source: Used Auto Parts Store

    $55.00
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