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2004 Chevrolet Impala CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet 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
- Tire Pressure Monitoring System
- 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 Chevrolet Impala car and truck
repair procedures including Chevrolet 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 Chevrolet Impala automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2004 Chevrolet Impala AUTOMOBILES
Component Replacement & Adjustment -> Impala & Monte Carlo -> Thermostat, Replace -> 3.4L Engine -> 3.8L Engine
Vehicle: 2004 Chevrolet Impala 3.4 V6 GAS
3.4L Engine
- Remove air cleaner duct and partially drain coolant into suitable container.
- Remove water outlet housing radiator inlet hose.
- Remove mounting bolt and nut from lefthand and righthand engine mount strut brackets.
- Remove mounting bolt, nut and wiring harness retainer engine mount strut bracket on upper radiator support.
- Remove lefthand engine mount strut.
- Remove spark plugs wires from lefthand side spark plugs.
- Remove radiator inlet hose from water outlet housing.
- Remove heater outlet hose from thermostat bypass pipe...
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BRAKE SERVICE PROCEDURES FOR 2004 Chevrolet Impala AUTOMOBILES
Anti-Lock Brakes -> Delphi DBC 7 -> Description -> Anti-Lock Brake System (ABS) -> Brake Pressure Modulator Valve (BPMV) -> Electronic Brake Control Module (EBCM) -> Enhanced Traction System (ETS) -> System Components -> System Operation -> Traction Control System (TCS) -> Traction Control System (TRAC) On/Off Switch -> Wheel Speed Sensors (WSS)
Vehicle: 2004 Chevrolet Impala SS 3.8 V6 GAS
System Operation
Anti-Lock Brake System (ABS)
The ABS system will control hydraulic pressure in the individual wheel circuits to prevent any wheel from slipping. A separate hydraulic line and specific solenoid valves are provided for each wheel. The ABS can decrease, hold or increase hydraulic pressure to each wheel brake. However, it cannot increase hydraulic pressure above what the master cylinder is transmitting.
Enhanced Traction System (ETS)
The ETS limits wheel slip during acceleration when one or more of the drive wheels are accelerating too rapidly and the brake switch is off. T...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Chevrolet Impala AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Component Locations -> Malibu (1997-03), Monte Carlo, Impala, Alero, Cutlass (1997-99) & Grand Am (1999-05) & Grand Prix
Vehicle: 2004 Chevrolet Impala LS 3.8 V6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Chevrolet Impala AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2004 Chevrolet Impala 3.4 V6 GAS
- Raise and support vehicle on a hoist.
- Remove tire and wheel assembly.
- Disconnect tie rod from knuckle.
- Insert a drift into rotor and against caliper in order to prevent rotor from turning.
- Remove wheel drive shaft nut.
- Remove stabilizer link.
- Be sure that wheel speed sensor wiring harness is repositioned away from ball joint after disconnecting electrical connector from sensor. Disconnect ele...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2004 Chevrolet Impala AUTOMOBILES
Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Diagnostic Tests -> Intermittent & Poor Connections -> Intermittents -> Poor Connections
Vehicle: 2004 Chevrolet Impala 3.8 V6 GAS
Accessing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to DLC (Data Link Connector) and follow manufacturer's instructions.
Diagnostic Tests
Refer to Figs. through for diagnostic test procedures.
Intermittent & Poor Connections
Intermittents
Most intermittents are caused by faulty electrical connections or wiring. Inspect for the following:
- Wiring broken inside insulation.
- Poor connection between male and female terminal at connector.
- Poor terminal to wire connection. Some conditions which fall under this are:
- Poor crimps.
- Poor solder joints.
- Crimping over wire ins...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Chevrolet Impala AUTOMOBILES
Starter, Replace
Vehicle: 2004 Chevrolet Impala 3.8 V6 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove lower air deflector fog lamp access panels.
- Remove lower air deflector retainers.
- Remove lower air deflector attaching bolts and screws.
- Remove right and left side lower front fender liner screws from low...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 Chevrolet Impala AUTOMOBILES
Cabin Air Filter Service -> General Motors Corp./Saturn -> 1997-2005 Century, Regal, 1998-2002 Intrigue & 2000-05 Impala & Monte Carlo
Vehicle: 2004 Chevrolet Impala 3.8 V6 GAS
Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.
- Place the windshield wipers in the up position by turning the ignition switch Off when the wipers reach the desired position.
- Open the hood.
- Lift the righthand side of the rear hood seal from the flange in the area of the rig...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Chevrolet Impala AUTOMOBILES
General Motors Corp./Saturn Cars -> Tire Pressure Monitoring System (TPMS) Warning Indicator -> 2000-05 Impala -> Reset -> Using Light Switch -> Using RDS Radio
Vehicle: 2004 Chevrolet Impala LS 3.8 V6 GAS
Reset
Using RDS Radio
The Low Tire Pressure indicator will turn on when the pressure in one of the tires becomes 12 psi. lower or higher then the other three. The low tire pressure monitor system uses the ABS wheel speed sensors to determine if a tire is low by a variation in wheel speed.
- Inflate all tires to vehicle manufacturer's specifications.
- Place the ignition switch in the on position.
- Place radio in off position.
- Press and hold DISP button until SETTINGS is displayed.
- Press the SEEK up or down buttons until TIRE MON is displayed.
- Press the PREV or NEXT buttons until RESET is disp...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Chevrolet Impala AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2004 Chevrolet Impala 3.8 V6 GAS
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp from water pump housing using hose clamp pliers J 38185 or equivalent.
- Remove radiator outlet hose from water pump housing.
- Remove lower radiator air deflector.
- Reposition hose clamp from radiator using hose clamp pliers J 38185 or equivalent.
- Remove radiator outlet hose from radiator and from vehicle.
- Re...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Chevrolet Impala AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Chevrolet Impala LS 3.8 V6 GAS
- Rotate tensioner counterclockwise to remove the drive belt, using ...
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COMPONENT LOCATION DIAGRAMS FOR 2004 Chevrolet Impala AUTOMOBILES
Component location diagrams for most 2004 Chevrolet Impala cars and light trucks sold in the U.S. from 1990+.
 Package Shelf Diagram for 2004 Chevrolet Impala SS 3.8 V6 GASComponents on diagram: |
 Right Front of I/P Diagram for 2004 Chevrolet Impala LS 3.8 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2004 Chevrolet Impala AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Chevrolet Impala cars and light trucks sold in the U.S.
 2004 Chevrolet Impala 3.4 V6 GAS Wiring DiagramComponents on diagram: |
 2004 Chevrolet Impala 3.8 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Chevrolet Impala AUTOMOBILES
OEM TSB listings for most 2004 Chevrolet Impala cars and light trucks sold in the U.S. from 1985+.
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Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2004 Chevrolet Impala 3.8 V6 GAS Auto Systems: |
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Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 2004 Chevrolet Impala 3.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Chevrolet Impala AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 Chevrolet Impala 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 Chevrolet Impala 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 Chevrolet Impala 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 Chevrolet Impala 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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