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2003 Nissan Frontier CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Nissan 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!Select Section
- 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
- Cabin Air Filter Locations & 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 Frontier 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 Frontier automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Nissan Frontier AUTOMOBILES
Nissan -> Wiring Diagrams -> Maxima
Vehicle: 2003 Nissan Frontier 3.3 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 2003 Nissan Frontier AUTOMOBILES
Nissan -> Disc Brakes -> Parking Brake Service -> Adjustment -> Frontier & Pathfinder -> Sentra
Vehicle: 2003 Nissan Frontier 3.3 V6 GAS
Adjustment
Sentra
- Pull parking brake lever with a force of 44 lbs. and ensure lever travels 7-11 notches.
- Rotate adjuster, Fig. , until proper stroke is obtained, then tighten locknut.
Frontier & Pathfinder
- Pull parking brake lever with a force of 44 lb...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Nissan Frontier 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 Frontier 3.3 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 Frontier AUTOMOBILES
DRIVESHAFT, Replace -> Rear
Vehicle: 2003 Nissan Frontier 2.4 L4 GAS
Rear
- Place vehicle in neutral.
- Release parking brake.
- Raise and support vehicle and support it with safety stands in proper locations.
- Place reference mark on front driveline shaft flange yoke and companion flange of front final driveline. Paint is recommended for match marks. Never damage rear ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Nissan Frontier AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Nissan Frontier 2.4 L4 GAS
- Disconnect battery ground cable.
- Remove engine undercover.
- Remove righthand side splash shield.
- Remove fan shroud.
- Mark alternator drive belt running direction with suitable...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Nissan Frontier AUTOMOBILES
Cabin Air Filter Service -> Nissan -> 2003-04 Frontier & Xterra
Vehicle: 2003 Nissan Frontier 2.4 L4 GAS
Under normal operating conditions the cabin air filter should be replaced every 12 months or 15,000 miles. In dusty areas change the cabin air filter more often.
- Remove the glove compartment.
- Remove the cabin air filter cover.
- Remove the cabin air fi...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Nissan Frontier AUTOMOBILES
Nissan -> Vehicle Dynamic Control (VDC) Warning Lamp ->
Vehicle: 2003 Nissan Frontier 3.3 V6 GAS
The VDC lamp should illuminate when the ignition switch is placed in the on position for a few seconds or when the VDC control switch is in the off position. If the VDC lamps illuminates while ope...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Nissan Frontier AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 Nissan Frontier 3.3 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 heater pipe.
- Remove hose from heater pipe.
- 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...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Nissan Frontier AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Nissan Frontier 3.3 V6 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Nissan Frontier AUTOMOBILES
Component location diagrams for most 2003 Nissan Frontier cars and light trucks sold in the U.S. from 1990+.
 Main Harness Diagram for 2003 Nissan Frontier 2.4 L4 GASComponents on diagram: |
 Front Suspension Diagram for 2003 Nissan Frontier 3.3 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Nissan Frontier AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Nissan Frontier cars and light trucks sold in the U.S.
 2003 Nissan Frontier 3.3 V6 GAS Wiring DiagramComponents on diagram: |
 2003 Nissan Frontier 3.3 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Nissan Frontier AUTOMOBILES
OEM TSB listings for most 2003 Nissan Frontier 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 Frontier 2.4 L4 GAS Auto Systems: |
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Document: WINDSHIELD CRACKING Vehicle: 2003 Nissan Frontier 2.4 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Nissan Frontier AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Nissan Frontier 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 Frontier 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 Frontier 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 Frontier 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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