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2003 Nissan Pathfinder CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Nissan REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Nissan Pathfinder car and truck
repair procedures including Nissan 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 Nissan Pathfinder automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Nissan Pathfinder AUTOMOBILES
Nissan -> Automatic Temperature Control System Diagnosis & Testing -> Precautions -> Air Bag System Disarming & Arming -> Battery Ground Cable -> Product Compatibility
Vehicle: 2003 Nissan Pathfinder 3.5 V6 GAS
Air Bag System Disarming & Arming
Refer to and for air bag system disarming and arming procedures.
Battery Ground Cable
Prior to service, disconnect battery ground cable ...
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BRAKE SERVICE PROCEDURES FOR 2003 Nissan Pathfinder AUTOMOBILES
Nissan -> Disc Brakes -> Tightening Specifications
Vehicle: 2003 Nissan Pathfinder 3.5 V6 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Nissan Pathfinder AUTOMOBILES
Nissan/Datsun -> Fuel Filter Replacement -> Except Armada, Murano, Titan & 350Z, 2006-02 Altima, 2000-06 Maxima & Sentra -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2003 Nissan Pathfinder 3.5 V6 GAS
Fuel System Pressure Relief
- On all models except 1990-96 300ZX, remove the fuel pump fuse from the fuse panel.
- On 1990-96 300ZX, disconnect the fuel pump relay, located behind the lefthand side kick panel.
- On all models, start and run the engine until it stalls.
- After the engine stalls, crank two or three times to ensure all fuel pressure is relieved.
- On all models except 1990-96 300ZX, turn the ignition Off, then install the fuel pump fuse.
- On 1990-96 300ZX, turn the ignition Off, then connect the fuel pump relay.
Removal &...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Nissan Pathfinder AUTOMOBILES
CV AXLE SHAFT, Replace -> Front -> Rear
Vehicle: 2003 Nissan Pathfinder 3.5 V6 GAS
Front
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- Remove engine undercover bolts using suitable tool.
- Remove ABS sensor harness from mount on knuckle, then disconnect wheel sensor harness connector.Do not pull on wheel sensor harness during removal of ABS sensor. Carefully feed ABS wheel sensor harness through hole in splash shield.
- Remove brake caliper torque member bolts using suitable tool. Position brake caliper aside and attach using mechanics wire.Do not press down on brake pedal while caliper is re...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 Nissan Pathfinder AUTOMOBILES
Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2003 Nissan Pathfinder 3.5 V6 GAS
Refer to Figs. and for system...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Nissan Pathfinder AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Nissan Pathfinder 3.5 V6 GAS
- Disconnect battery ground cable.
- Remove engine under cover.
- Loosen alternator adjusting bolt and remove alternator drive belt.
- Remo...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Nissan Pathfinder AUTOMOBILES
Nissan -> Air Bag Warning Lamp ->
Vehicle: 2003 Nissan Pathfinder 3.5 V6 GAS
When the ignition key is placed in the on or Start positions, the air bag warning lamp will illuminate for approximately 7 seconds, then turn off. This lamp cycle indica...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Nissan Pathfinder AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 Nissan Pathfinder 3.5 V6 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at water outlet.
- Remove hose from water outlet.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heate...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Nissan Pathfinder AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Nissan Pathfinder 3.5 V6 GAS
- Loosen lock nut on alternator and power steering pump drive belt idler pulley.
- Loosen adjusting bolt on alternator and power steering pump drive belt idler pulley.
- Remove alternator and power steering pump drive belt.
- Loosen lock nut on air conditioning compressor drive belt idler pu...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Nissan Pathfinder AUTOMOBILES
Component location diagrams for most 2003 Nissan Pathfinder cars and light trucks sold in the U.S. from 1990+.
 Body Harness Diagram for 2003 Nissan Pathfinder 3.5 V6 GASComponents on diagram: |
 Vacuum Hose Diagram for 2003 Nissan Pathfinder 3.5 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Nissan Pathfinder AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Nissan Pathfinder cars and light trucks sold in the U.S.
 2003 Nissan Pathfinder 3.5 V6 GAS Wiring DiagramComponents on diagram: |
 2003 Nissan Pathfinder 3.5 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Nissan Pathfinder AUTOMOBILES
OEM TSB listings for most 2003 Nissan Pathfinder cars and light trucks sold in the U.S. from 1985+.
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Document: A/C SYSTEM O-RING SEAL LEAKS Vehicle: 2003 Nissan Pathfinder 3.5 V6 GAS Auto Systems: |
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Document: WINDSHIELD CRACKING Vehicle: 2003 Nissan Pathfinder 3.5 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Nissan Pathfinder AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Nissan Pathfinder 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 Nissan Pathfinder 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 Nissan Pathfinder 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 Nissan Pathfinder 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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