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2003 Chevrolet Impala CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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 2003 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 2003 Chevrolet Impala AUTOMOBILES
Air Bag System Precautions -> General Motors Corp. -> Arming -> Light Trucks & Vans -> Passenger Cars
Vehicle: 2003 Chevrolet Impala LS 3.8 V6 GAS
Passenger Cars
Reverse disarming procedures to arm the Supplemental Restraint System, noting the following:
- Ensure all disconnected SRS electrical connectors are securely connected and routed.
- Install all removed fuses in proper locations.
- From a safe position at sides of or below air bag module, Turn ignition switch to ON position and observe Air Bag or SRS warning lamp.
- On all models except Prizm and 1990 Corvette, warning lamp should flash seven to nine times, then go off.
- On Prizm models, warning lamp should light for six seconds,...
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BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Hydraulic Brake Systems -> General Motors -> Component Replacement -> Master Cylinder
Vehicle: 2003 Chevrolet Impala 3.8 V6 GAS
Master Cylinder
- On Vibe models, remove air filer hose clamp and hose from throttle body.
- On all models, disconnect fluid level sensor retainer and electrical connector.
- Drain master cylinder reservoir brake fluid into suita...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 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: 2003 Chevrolet Impala 3.8 V6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2003 Chevrolet Impala LS 3.8 V6 GAS
- Raise and suitably support vehicle.
- Remove wheel and tire.
- Remove stabilizer shaft link.
- Remove front wheel drive shaft nut. Insert a drift or a flat-bladed tool into caliper and rotor to prevent rotor from turning.
- Disconnect outer tie rod assembly from steering knuckle.
- Separate ball joint from steering knuckle. Do not attempt to move vehicle with drive axle(s) removed from wheel bearing. Wheel(s) could fall off, dropping vehicle to ground and causing personal injury or damage to vehicle.
- Separate front wheel drive axle from front wheel drive shaft bearing using a suitable pu...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Description
Vehicle: 2003 Chevrolet Impala LS 3.8 V6 GAS
The TPMS (Tire Pressure Monitor System) alerts the driver when a large change in the pressure of one tire exists. The system detects a tire pressure condition while the vehicle is in motion, once a tire pressure condition is detected, the system alerts the driver whenever the ignition is turned On.
The software used to calculate the relative tire pressure differences is contained in the EBCM. This software requires approximately 30 minutes of straight line driving in each of three speed ranges to complete the calibration cycle in order to have full capability for detecting the tire p...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Starter, Replace
Vehicle: 2003 Chevrolet Impala 3.4 V6 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove front lower air deflector panel.
- Remove torque converter covers from transaxle.
- Remove retaining nuts, then disco...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Cabin Air Filter Service -> General Motors Corp./Saturn -> 1997-2005 Century, Regal, 1998-2002 Intrigue & 2000-05 Impala & Monte Carlo
Vehicle: 2003 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 2003 Chevrolet Impala AUTOMOBILES
General Motors Corp./Saturn Cars -> Check Gauge Warning Lamp ->
Vehicle: 2003 Chevrolet Impala 3.4 V6 GAS
The Check Gauge warning lamp will light to warn the driver to inspect the oil pressure gauge, engine coolant temperature ga...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Radiator, Replace
Vehicle: 2003 Chevrolet Impala 3.4 V6 GAS
- Remove air cleaner assembly, then drain engine coolant into a suitable container.
- Remove engine strut upper brace bolts from upper tie bar and rotate strut and brace rearward.
- Disconnect upper radiator mounting panel bolts and clamps.
- Disconnect cooling fan elect...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Chevrolet Impala 3.4 V6 GAS
- Rotate tensioner clockwise using a b...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Chevrolet Impala AUTOMOBILES
Component location diagrams for most 2003 Chevrolet Impala cars and light trucks sold in the U.S. from 1990+.
 Below Package Shelf Diagram for 2003 Chevrolet Impala 3.4 V6 GASComponents on diagram: |
 Upper Left Rear of Engine Diagram for 2003 Chevrolet Impala LS 3.8 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Chevrolet Impala AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Chevrolet Impala cars and light trucks sold in the U.S.
 2003 Chevrolet Impala LS 3.8 V6 GAS Wiring DiagramComponents on diagram: |
 2003 Chevrolet Impala LS 3.8 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Chevrolet Impala AUTOMOBILES
OEM TSB listings for most 2003 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: 2003 Chevrolet Impala 3.8 V6 GAS Auto Systems: |
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Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 2003 Chevrolet Impala 3.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Chevrolet Impala AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 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 2003 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 2003 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 2003 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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