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2003 Nissan Sentra 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 Sentra 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 Sentra automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Nissan Sentra AUTOMOBILES
Nissan -> Component Replacement & Adjustment -> Evaporator Core, Replace -> 2003 -> 2004 -> 350Z -> Altima -> Front -> Frontier & Xterra -> Maxima -> Murano -> Pathfinder Armada -> Quest -> Rear -> Sentra
Vehicle: 2003 Nissan Sentra GXE 1.8 L4 GAS
Altima
- Recover refrigerant as outlined in .
- Drain cooling system into suitable container.
- Remove wiper motor and linkage.
- Remove fasteners and cowl.
- Disconnect heater core hoses.
- Disconnect evaporator refrigerant lines. Cap or plug lines and openings.
- Remove steering member.
- Remove blower unit as outlined in "Blower Motor, Replace."
- Disconnect mode and air mix door motors' connectors.
- Remove heater and cooling unit.
- Remove heater and evaporator cores' covers.
- Remove evaporator pipes.
- Remove evaporat...
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BRAKE SERVICE PROCEDURES FOR 2003 Nissan Sentra AUTOMOBILES
Nissan -> Power Brake Units -> Description
Vehicle: 2003 Nissan Sentra XE 1.8 L4 GAS
The vacuum assist diaphragm assembly multiplies the force exerted on the master cylinder piston in order to increase the hydraulic pressure delivered to the wheel calipers or cylinders, while decreasing the effort required to obtain acceptable stopping performance.
Vacuum assist units get their ener...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Nissan Sentra AUTOMOBILES
Nissan/Datsun -> Fuel Filter Replacement -> 2000-06 Maxima & Sentra -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2003 Nissan Sentra Limited Edition 2.5 L4 GAS
Fuel System Pressure Relief
- Remove the fuel pump fuse from the fuse panel.
- Start and run the engine until it stalls.
- After the engine stalls, crank two or three times to ensure all fuel pressure is relieved.
- Turn the ignition Off, then install the fuel pump fuse.
Removal & Installation
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Nissan Sentra AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2003 Nissan Sentra GXE 1.8 L4 GAS
Front
Circular clips should be properly meshed with differential side gear (transaxle side). Inspect that clips are properly seated after installation and that driveshaft will not come out. Always use a new circular clip for installation. To prevent damage to CV boots use suitable cloth over boots to prevent damage to boots during removal and installation.
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front tire. Before removing front axle assembly disconnect ABS wheel sensor from assembly. Move sensor away from front ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Nissan Sentra AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Nissan Sentra Limited Edition 2.5 L4 GAS
- Disconnect battery ground cable.
- Rotate or lift belt tensioner arm clockwise using a suitable tool to relieve tension from drive belt. Do not turn belt tensioner counterclockwise. If this step is not followed replacement of belt tensioner and new pulley is required.
- Remove drive belt.
- Remove B+ terminal nut and alternator electrical connector from back of a...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Nissan Sentra AUTOMOBILES
Cabin Air Filter Service -> Nissan -> 2003-06 Sentra
Vehicle: 2003 Nissan Sentra SE-R Spec V 2.5 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.
- Open the glove compartment.
- Remove the stops located at each side of the glove compartment, then the glove compartment.
- Remove the four glove compartment housing retaining screws, then the housing.
- Remove the cabin air filter cover, Fig. .
- Remove the cab...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Nissan Sentra AUTOMOBILES
Nissan -> Vehicle Dynamic Control (VDC) Warning Lamp ->
Vehicle: 2003 Nissan Sentra Limited Edition 2.5 L4 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 Sentra AUTOMOBILES
Radiator, Replace
Vehicle: 2003 Nissan Sentra Limited Edition 2.5 L4 GAS
- Drain coolant into a suitable container.
- Remove air duct with air cleaner assembly.
- On models equipped with automatic transaxle,disconnect ATF cooler hoses.
- On all models, ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Nissan Sentra AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Nissan Sentra SE-R 2.5 L4 GAS
- Rotate or lift belt tensioner arm clockwise, using a suitable tool to relieve tension from drive belt. Do not rotate belt tensioner counterclockwise or tensioner will be d...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Nissan Sentra AUTOMOBILES
Component location diagrams for most 2003 Nissan Sentra cars and light trucks sold in the U.S. from 1990+.
 Vacuum Hose Components Diagram for 2003 Nissan Sentra SE-R Spec V 2.5 L4 GASComponents on diagram: |
 Rear Door Harness Diagram for 2003 Nissan Sentra Limited Edition 2.5 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Nissan Sentra AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Nissan Sentra cars and light trucks sold in the U.S.
 2003 Nissan Sentra GXE 1.8 L4 GAS Wiring DiagramComponents on diagram: |
 2003 Nissan Sentra XE 1.8 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Nissan Sentra AUTOMOBILES
OEM TSB listings for most 2003 Nissan Sentra 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 Sentra SE-R 2.5 L4 GAS Auto Systems: |
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Document: WINDSHIELD CRACKING Vehicle: 2003 Nissan Sentra SE-R 2.5 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Nissan Sentra AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Nissan Sentra 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 Sentra 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 Sentra 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 Sentra 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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