Repairing 2003 Mercury Mountaineer Automobiles? Access Complete DIY repair procedures (Charts, Diagrams, Procedures, Specifications)

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

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

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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 4.0 V6 FLEX

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BRAKE SERVICE PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Disc Brakes -> Brake Pad Service
Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

Remove and discard a portion of brake fluid from master cylinder.
Raise and support vehicle, then remove wheel and tire assembly.
Unclip speed sensor wiring from brake hose.
Remov...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Ford Motor Co. Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> Except Diesel Engines & Villager
Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

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 has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven 10 miles or more while it relearns its adaptive strategy.

On model...

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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

Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2003 Mercury Mountaineer 4.6 V8 GAS

Refer to Fig. for wirin...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Alternator, Replace
Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

Disconnect battery ground cable.
Rotate front end accessory drive belt tensioner counterclockwise, then position front end accessory drive belt aside.
Position protective cover aside, then remove alternator B+ terminal nut.
Disconnect...

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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Ford Motor Co. Trucks -> Air Bag Warning Lamp ->
Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If the Air Bag warning ...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

Lower

Drain cooling system into a suitable container.
Reposition hose clamp from radiator.
Remove radiator outlet hose from radiator.
Reposition hose clamp from water pump.
Remove radiator outlet hose from water pump and from vehicle.
Reverse procedure to in...

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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Mercury Mountaineer AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2003 Mercury Mountaineer 4.0 V6 FLEX

Disconnect battery ground cable from battery.
Rotate accessory drive belt tensioner counterclockwise to relieve t...

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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 Bulkhead Diagram for 2003 Mercury Mountaineer 4.0 V6 FLEX

Components on diagram:

A/C Clutch Cycling Pressure Switch

Powertrain Control Module

Speed Control Actuator

Connector C-110

Connector C-122

Center Console Diagram for 2003 Mercury Mountaineer 4.6 V8 GAS

Components on diagram:

YAW Velocity Sensor

Connector C-312

Connector C-3179

Connector C-3180

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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 Diagram

Components on diagram:

PCM Power Relay

Evaporative Emission (EVAP) Canister Vent Valve

2003 Mercury Mountaineer 4.0 V6 FLEX Wiring Diagram

Components on diagram:

Roof Opening Panel Switch

Roof Opening Panel Motor Assembly

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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

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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

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Shop online for auto body parts, engines, wheels, lights...

	2001 Mercury Mountaineer Headlight, Passenger Side, Bulbs included; Composite type; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty.. Source: Auto Body Parts Store	$18.98

	2003 Mercury Mountaineer Fog Light, Driver Side. Source: Auto Body Parts Store	$25.64

	2005 Mercury Mountaineer Power Door Mirror, Passenger Side, PASSENGER SIDE POWER DOOR MIRROR, WITH HEATED GLASS, WITH PUDDLE LAMP PAINT TO MATCH, , . Source: Wheels / Rims, Mirrors & Lights Store	$78.56

	2003 Mercury Mountaineer V6, 4.0 L, 242 CID Rebuilt Engine, Warranty: 7-Year/70,000 Mile, . Source: Rebuilt Engines Store	$2,328.00

	2005 Mercury Mountaineer Used Alternator, 4.0, AUTO, 4X2 4 Dr, exc. Sport Trac; 8-280 (4.6L), 110-130 amp, Very Good. Source: Used Auto Parts Store	$79.00

	2004 Mercury Mountaineer Used Alternator, 6-245 (4.0L), (115 amp), Very Good. Source: Used Auto Parts Store	$77.00
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