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2003 Oldsmobile Alero CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Oldsmobile 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
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator 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 Oldsmobile Alero car and truck
repair procedures including Oldsmobile 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 Oldsmobile Alero automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Oldsmobile Alero AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 2003 Oldsmobile Alero 2.2 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 2003 Oldsmobile Alero AUTOMOBILES
Disc Brakes -> AC-Delco Single Piston Front Disc Brake -> Caliper Service -> Disassemble -> Replacement
Vehicle: 2003 Oldsmobile Alero 2.2 L4 GAS
Replacement
- Remove approximately 2/3 of brake fluid from master cylinder.
- Raise and support front of vehicle, then remove wheel and tire assembly.
- Push piston back into caliper bore using suitable C-clamp, Fig. .
- If caliper assembly is being removed for service, remove inlet fitting attaching bolt, copper washer, and inlet fitting from caliper housing. Plug opening in inlet fitting to prevent fluid loss and contamination. Do not crimp brake hose since this may damage hose's internal structure. If only shoe and lining assemblies are to be replaced, do not disconnect brake line fittin...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Oldsmobile Alero AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Fuel Filter Replacement -> Except Aveo, Chevette 1.8L Diesel, Corvette, GTO, LaCrosse, Malibu (2004-06) & Malibu Maxx, Vibe, XLR, 2004-05 Corvette & 1998-2002 Metro & Prizm
Vehicle: 2003 Oldsmobile Alero 2.2 L4 GAS
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 accidental spray of fuel.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the v...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Oldsmobile Alero AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2003 Oldsmobile Alero 2.2 L4 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. Caution: 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 su...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Oldsmobile Alero AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Oldsmobile Alero 3.4 V6 GAS
- Disconnect battery ground cable.
- Remove cruise control module.
- Remove engine mount.
- Rotate serpentine drive belt tensioner in clockwise direction and remove belt using suitable 3/8 inch breaker bar.
- Disconnect alternator electrical connectors and power steering line clip.
- Remove mounting bolts, n...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Oldsmobile Alero AUTOMOBILES
General Motors Corp./Saturn Cars -> Check Engine Or Service Now Soon Engine Indicator Lamps (Gasoline Engines w/Electronic Engine Controls Or EFI) -> Except LeMans, Metro, Prizm, Storm & Vibe
Vehicle: 2003 Oldsmobile Alero 3.4 V6 GAS
The Check Engine lamp should light when the ignition is turned On. When the engine is started, the lamp should go off. If the lamp remains on for 10 seconds or constantly after the engine is started, the self diagnosis system has detected a fault condition and has stored a code in the system Electronic Control Module (ECM) or Powertrain Control Module (PCM). After diagnosis and repair, the ECM memory can be cleared of codes as follows:
On models except Cadillac with DEFI, remove the ECM/PCM fuse or disconnect the battery ground cable for approximately 30...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Oldsmobile Alero AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Oldsmobile Alero 2.2 L4 GAS
Lower
- Disconnect negative battery cable.
- Drain cooling system into a suitable container.
- Reposition hose clamp from coolant inlet pipe and surge tank.
- Remove radiator outlet hose from coolant inlet pipe and surge tank.
- Remove lower radiator air deflector.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose from radiator and vehicle.
- R...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Oldsmobile Alero AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Oldsmobile Alero 2.2 L4 GAS
- Raise and support vehicle .
- Remove front fender liner.
- Rotate drive belt tensioner cl...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Oldsmobile Alero AUTOMOBILES
Component location diagrams for most 2003 Oldsmobile Alero cars and light trucks sold in the U.S. from 1990+.
 Left Front Of Instrument Panel Diagram for 2003 Oldsmobile Alero 2.2 L4 GASComponents on diagram: |
 Instrument Panel Diagram for 2003 Oldsmobile Alero 2.2 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Oldsmobile Alero AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Oldsmobile Alero cars and light trucks sold in the U.S.
 2003 Oldsmobile Alero 3.4 V6 GAS Wiring DiagramComponents on diagram: |
 2003 Oldsmobile Alero 3.4 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Oldsmobile Alero AUTOMOBILES
OEM TSB listings for most 2003 Oldsmobile Alero 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 Oldsmobile Alero 3.4 V6 GAS Auto Systems: |
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Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 2003 Oldsmobile Alero 3.4 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Oldsmobile Alero AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Oldsmobile Alero 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 Oldsmobile Alero 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 Oldsmobile Alero 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 Oldsmobile Alero 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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