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1998 Mercury Mountaineer 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
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 1998 Mercury Mountaineer AUTOMOBILES
Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Blower Motor, Replace -> 1998 Auxiliary -> 1998 Standard -> 1999-2000 Auxiliary -> 1999-2000 Standard -> Auxiliary -> Center Console -> Econoline -> Excursion -> Expedition & Navigator -> Explorer & Mountaineer -> F-Series -> Plenum -> Ranger -> Standard -> Villager -> Windstar
Vehicle: 1998 Mercury Mountaineer 5.0 V8 GAS
Econoline
Standard
- Remove battery tray.
- On models equipped with A/C, remove three accumulator/drier mounting screws, then move accumulator drier.
- On all models, disconnect electrical connector from blower motor.
- Remove blower motor housing tube.
- Remove four screws and retaining clip.
- To ease removal, align flat spot on blower motor mounting plate with accumulator, then remove blower motor.
- Remove retaining clip, then the blower motor wheel.
- Reverse procedure to install.
Auxiliary
- Remove thir...
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BRAKE SERVICE PROCEDURES FOR 1998 Mercury Mountaineer AUTOMOBILES
Disc Brakes -> Caliper Service -> 1997 -> 1999-2001 -> Aerostar -> Assemble -> Cleaning & Inspection -> Disassemble -> E-150 -> Escape -> Expedition, Navigator, E-250, E-350, F-250HD, F-350, F-Super Duty, F-150 & F-250LD -> Expedition, Navigator, E-Series, F-150 & F-250LD -> Explorer, Mountaineer & Ranger -> F-250HD, F-350, E-Super Duty & F-Super Duty Series -> Front -> Inspection -> Overhaul -> Rear -> Replacement -> Villager -> Villager & Windstar -> Windstar
Vehicle: 1998 Mercury Mountaineer 5.0 V8 GAS
Replacement
Aerostar
- Remove and discard a portion of brake fluid from master cylinder.
- Raise and support vehicle, then remove wheel and tire assembly.
- Use an eight inch c-clamp to move piston back into its bore as follows:
- Place head of c-clamp against caliper and screw end of c-clamp against outer pad below spring clip.
- Tighten c-clamp until torque buttons just clear caliper (approximately 1/8 inch). Remove c-clamp.
- Clean excess dirt from around pin tabs, then use caliper pin remover tool No. D89T-2196-A, or equivalent, and light hammer to drive caliper pin from caliper as follows:
- Po...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Mercury Mountaineer AUTOMOBILES
Ford Motor Co. Light Trucks, SUVs & Vans -> Fuel Shutoff Switch Location -> 1991-98 Explorer, Explorer Sport & Sport Trac & Mountaineer
Vehicle: 1998 Mercury Mountaineer 4.0 V6 GAS
Th...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 Mercury Mountaineer AUTOMOBILES
DRIVESHAFT, Replace -> Four Wheel Drive (4WD) -> Front -> Rear -> Two Wheel Drive (2WD)
Vehicle: 1998 Mercury Mountaineer 5.0 V8 GAS
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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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 Mercury Mountaineer AUTOMOBILES
Starter, Replace
Vehicle: 1998 Mercury Mountaineer 4.0 V6 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove starter motor attaching bolts, then disconnect ground cable if attached to starter mounting bolts and lower starter from vehicle.
- Disconnect power supply cable from starter.
- Reverse procedure to insta...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 Mercury Mountaineer AUTOMOBILES
Ford Motor Co. Trucks -> Anti-Lock Or Rear Anti-Lock Brake System Warning ->
Vehicle: 1998 Mercury Mountaineer 5.0 V8 GAS
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 1998 Mercury Mountaineer AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1998 Mercury Mountaineer 5.0 V8 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater core inlet hose clamp at engine.
- Remove hose from engine.
- 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 hose from heater...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 Mercury Mountaineer AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1998 Mercury Mountaineer 4.0 V6 GAS
- Disconnect battery ground cable from battery.
- Rotate accessory drive belt tensioner counterclockwise to relieve t...
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COMPONENT LOCATION DIAGRAMS FOR 1998 Mercury Mountaineer AUTOMOBILES
Component location diagrams for most 1998 Mercury Mountaineer cars and light trucks sold in the U.S. from 1990+.
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![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1998 Mercury Mountaineer AUTOMOBILES
OEM drawn wiring diagrams for most 1998 Mercury Mountaineer cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1998 Mercury Mountaineer AUTOMOBILES
OEM TSB listings for most 1998 Mercury Mountaineer cars and light trucks sold in the U.S. from 1985+.
Document: RECALL - CERTAIN 1992-2003 MODEL YEAR CARS AND TRUCKS - FUSED JUMPER HARNESS REPLACEMENT FOR VEHICLES SERVICED WITH AN INCOMPATIBLE FUSED JUMPER HARNESS Vehicle: 1998 Mercury Mountaineer 5.0 V8 GAS Auto Systems: |
Document: SAFETY RECALL - SPEED CONTROL SYSTEM MODIFICATION Vehicle: 1998 Mercury Mountaineer 5.0 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1998 Mercury Mountaineer AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 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 1998 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 1998 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 1998 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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