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2004 Nissan Altima 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 2004 Nissan Altima 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 Altima automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2004 Nissan Altima AUTOMOBILES
Nissan -> Automatic Temperature Control System Diagnosis & Testing -> Component Diagnosis & Testing -> Air Conditioning Switch -> Air Mix Door Motor -> Ambient Sensor -> Automatic Amplifier -> Blower Motor -> Blower Motor Resistors -> Engine Coolant Ambient Temperature Sensor -> Fan Control Amplifier -> Fan Switches -> In-Vehicle Sensor -> Intake Door Motor -> Intake Sensor -> Pathfinder -> Pressure Switches -> Quest -> Refrigerant Pressure Sensor -> Relays -> Sunload Sensor -> Thermo Control Amplifier
Vehicle: 2004 Nissan Altima 2.5 L4 GAS
Components outlined may be found in both manual air conditioning and automatic temperature control systems. Refer to appropriate wiring diagram for additional information.
Automatic Amplifier
Pathfinder
- Turn ignition switch to ON position.
- On models less navigation system, measure power supply voltage between terminals Nos. 26, 27, 33 and body ground, Fig. .
- On models equipped with navigation system, measure power supply voltage between terminals Nos. 24, 25, 33 and body ground, Fig. .
- On all models, measurement should b...
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BRAKE SERVICE PROCEDURES FOR 2004 Nissan Altima AUTOMOBILES
Nissan -> Disc Brakes -> Caliper Service -> Front -> Overhaul -> Rear -> Replacement
Vehicle: 2004 Nissan Altima 2.5 L4 GAS
Front
Replacement
- Raise and support front of vehicle and remove wheels.
- Disconnect brake hose from brake tube.
- Remove caliper assembly from spindle.
- Reverse procedure to install.
Overhaul
- Remove pin bolts and separate cylinder body from torque member, Figs. through ,
- Remove pad retainers, shims and brake pads.
- Feed compressed air gradually into caliper port and force out piston(s) with dust seals.
- Remove piston seals, sub pins, main pins and dust seals.
- Reverse procedure to assemble.
Rear
Replacement
- Disconnect parking brake cable and brake hose.
- Remove caliper retaining bolts and caliper fro...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Nissan Altima AUTOMOBILES
Nissan/Datsun -> Fuel Filter Replacement -> 2003-06 Murano, 350Z & 2002-06 Altima -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2004 Nissan Altima 3.5 V6 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 ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent a...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Nissan Altima AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2004 Nissan Altima 3.5 V6 GAS
Front
Before removing front axle assembly, remove wheel sensor from assembly. Move it away from front axle assembly area. Failure to follow these instructions may result in damage to sensor wires and wheel sensor becoming inoperative.
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- On models equipped with ABS, remove ABS wheel sensor. Note before removing front axle assembly, remove ABS wheel sensor from assembly, then position it aside. Failure to follow this instruction may result in damage to sensor or s...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Nissan Altima AUTOMOBILES
Alternator, Replace
Vehicle: 2004 Nissan Altima 3.5 V6 GAS
- Disconnect battery ground cable.
- Drain cooling system into a suitable container.
- Remove upper radiator hose.
- Disconnect harness connectors, harness stay and harness to A/C compressor.
- Release accelerator...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 Nissan Altima AUTOMOBILES
Cabin Air Filter Service -> Nissan -> 2002-04 Altima
Vehicle: 2004 Nissan Altima 3.5 V6 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 two glove compartment striker retaining screws, Fig. .
- Remove the two glove compartment retaining screws, then disengage the retaining clips.
- Lift the glove compartment from the instrument panel, then disconnect the glove compartment lamp.
- Remove the four glove compartment housing retaining sc...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Nissan Altima AUTOMOBILES
Nissan -> Check Engine Lamp ->
Vehicle: 2004 Nissan Altima 2.5 L4 GAS
The Check Engine lamp will light when the ignition is on with engine not running. When the engine is started, then lamp should go out. If it does not, a diagnostic trouble code has been stor...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Nissan Altima AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2004 Nissan Altima 2.5 L4 GAS
Lower
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at radiator outlet.
- Remove hose from radiator.
- Reposition hose clamp at water inlet.
- Remove hose from water inlet.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Nissan Altima AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Nissan Altima 2.5 L4 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 2004 Nissan Altima AUTOMOBILES
Component location diagrams for most 2004 Nissan Altima cars and light trucks sold in the U.S. from 1990+.
 Engine Room Harness Components Diagram for 2004 Nissan Altima 3.5 V6 GASComponents on diagram: |
 Front Door Harness Components Diagram for 2004 Nissan Altima 3.5 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2004 Nissan Altima AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Nissan Altima cars and light trucks sold in the U.S.
 2004 Nissan Altima 2.5 L4 GAS Wiring DiagramComponents on diagram: |
 2004 Nissan Altima 3.5 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Nissan Altima AUTOMOBILES
OEM TSB listings for most 2004 Nissan Altima cars and light trucks sold in the U.S. from 1985+.
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Document: A/C SYSTEM O-RING SEAL LEAKS Vehicle: 2004 Nissan Altima 2.5 L4 GAS Auto Systems: |
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Document: WINDSHIELD CRACKING Vehicle: 2004 Nissan Altima 2.5 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Nissan Altima AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 Nissan Altima 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 2004 Nissan Altima 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 2004 Nissan Altima 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 2004 Nissan Altima 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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