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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

    Computer Relearn Procedures -> Ford Motor Co. -> 1999-2002 -> 2003-04 -> Automatic Data Transfer -> Except 1999-2002 -> Manual Data Entry -> Powertrain Control Module (PCM)
    Vehicle: 2003 Mercury Mountaineer 4.6 V8 GAS

    Powertrain Control Module (PCM)

    Except 1999-2002

    Disconnect negative battery cable for a minimum of five minutes. After clearing memory, it is required to drive vehicle a minimum of 10 miles to allow PCM time to relearn operating strategy.

    1999-2002
    Automatic Data Transfer
    • Prior to removing old PCM, connect a suitably programmed scan tool to Data Link Connector (DLC).
    • Follow scan tool manufacturers' instructions to download data from old PCM.
    • Install new PCM and connect scan tool to DLC.
    • Follow scan tool manufactur...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mercury Mountaineer A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

    Power Brake Units -> Bendix Vacuum Brake Booster -> Description
    Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

    The single and tandem vacuum boosters,. Figs. and , are self contained vacuum hydraulic power braking units. These are vacuum suspended units that use vacuum and atmospheric pressure for their power.

    On models equipped with gasoline engines, vacuum is supplied through a fitting in the intake manifold. On models equipped with diesel engines, vacuum is supplied through a vacuum pump.

    The three basic elements of the booster are the vacuum power chamber, mechanically actua...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mercury Mountaineer BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

    Ford Motor Co. Light Trucks, SUVs & Vans -> Fuel Filter Scheduled Maintenance -> 1999-06 Bronco II, Escape, Explorer, Explorer Sport & Sport Trac, Mariner & Mountaineer -> Normal Service -> Severe Service
    Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

    CLICK HERE TO GET FULL ACCESS TO 2003 Mercury Mountaineer FUEL FILTER REPLACEMENT PROCEDURES

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

    CV AXLE SHAFT, Replace
    Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

    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.

    • Raise and support vehicle.
    • Remove wheel and tire assembly.
    • Remove wheel hub retainer nut and washer assembly. Discard wheel hub retainer nut and washer assembly. It is a torque prevailing des...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mercury Mountaineer DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mercury Mountaineer TIRE PRESSURE MONITORING SYSTEM PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

    Alternator, Replace
    Vehicle: 2003 Mercury Mountaineer 4.6 V8 GAS

    • Disconnect battery ground cable.
    • Remove nuts and engine cover assembly.
    • Rotate front end accessory drive belt tensioner clockwise, then position front end accessory drive belt aside.
    • Position protective cover aside, then remove alternator B+ terminal nut.
    • Disconnect alternator B+ terminal and electrical connect...

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    MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

    Ford Motor Co. Trucks -> Emission Maintenance Reminder Indicator ->
    Vehicle: 2003 Mercury Mountaineer 4.6 V8 GAS

    This lamp should light after approximately 60,000 miles of operation, Fig. . The amber lens lamp is located on the instrument panel and has the word Emissions, Emiss or EGR printed on it. After performing the required emission control maintenance, the module must be replaced or reset, depending on type of module used. On module equipped with reset feature, reset the module as follows:

    • Turn ignition Off.
    • On Aerostar models, the module is located under the instrument panel near the bulkhead connector.
    • On Bronco, Explorer and F-Series, the module is attached to the instrument cluster to the left of ...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mercury Mountaineer MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

    Heater Hose, Replace -> Bypass -> Inlet -> Outlet
    Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

    Inlet

    • Drain cooling system into a suitable container.
    • Reposition heater core inlet hose clamp at heater inlet tube.
    • Remove hose from heater inlet tube.
    • 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 out...

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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...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mercury Mountaineer SERPENTINE BELT SERVICE PROCEDURES

    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+.

    Under Dash Panel Diagram for 2003 Mercury Mountaineer  4.0 V6 FLEXUnder Dash Panel Diagram for 2003 Mercury Mountaineer 4.0 V6 FLEX

    Components on diagram:
  • Four Wheel Drive Control Module
  • Connector C-211
  • Connector C-281A
  • Connector C-281B
  • Rear, In Roof Panel Diagram for 2003 Mercury Mountaineer  4.6 V8 GASRear, In Roof Panel Diagram for 2003 Mercury Mountaineer 4.6 V8 GAS

    Components on diagram:
  • License Plate Lamp
  • Liftgate Glass Ajar Switch
  • Connector C-462
  • Connector C-452
  • Connector C-478
  • 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  4.6 V8 GAS Wiring Diagram2003 Mercury Mountaineer 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Sunload Sensor
  • High Beam
  • Main Light Switch
  • Headlamp Relay
  • Headlamp, Left
  • 2003 Mercury Mountaineer  4.6 V8 GAS Wiring Diagram2003 Mercury Mountaineer 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Rear Window Defrost Relay
  • Electronic Automatic Temperature Control (EATC) Module
  • Function Selector Switch Assembly
  • Microprocessor
  • 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 2001 Mercury Mountaineer Door Handle, Front Or Rear, Driver Side2001 Mercury Mountaineer Door Handle, Front Or Rear, Driver Side, Without door lock hole and bezel; A high quality, OE replacement door handle; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $17.49

    Click here to view more details about 2008 Mercury Mountaineer Radiator2008 Mercury Mountaineer Radiator.

    Source: Auto Body Parts Store

    $146.19

    Click here to view more details about 2001 Mercury Mountaineer Power Door Mirror, Passenger Side2001 Mercury Mountaineer Power Door Mirror, Passenger Side, PASSENGER SIDE POWER DOOR MIRROR, WITH HEATED GLASS, WITHOUT PUDDLE LIGHT, TEXTURED, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $72.53

    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: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $2,328.00

    Click here to view more details2007 Mercury Mountaineer Used Wiper Motor Rear, Very Good.

    Source: Used Auto Parts Store

    $142.00

    Click here to view more details2004 Mercury Mountaineer Used Air Flow Meter/Sensor, 4.6, AUTO, AWD, Very Good.

    Source: Used Auto Parts Store

    $65.00
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