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2004 Oldsmobile Alero CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Oldsmobile 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
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2004 Oldsmobile Alero AUTOMOBILES
Manual Air Conditioning & Heater System Diagnosis & Testing -> Technical Service Bulletins -> HVAC System Inoperative For Drive Cycle, Poor HVAC System Performance In High Ambient Temperatures -> 2003 Bravada, Envoy & TrailBlazer
Vehicle: 2004 Oldsmobile Alero 2.2 L4 GAS
2003 Bravada, Envoy & TrailBlazer
On some of these models there may be no cold air from the HVAC system during a drive cycle. This may occur at any time during the drive cycle and at any temperature setting. The HVAC system operation returns to normal after the vehicle has been keyed to off and restarted. This is inter...
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BRAKE SERVICE PROCEDURES FOR 2004 Oldsmobile Alero AUTOMOBILES
Anti-Lock Brakes -> Delphi DBC 7 -> Precautions -> ABS Service
Vehicle: 2004 Oldsmobile Alero 3.4 V6 GAS
ABS Service
Before performing any repairs on the ABS system, note the following precautions:
- Before using electric welding equipment, disconnect EBCM.
- Carefully note routing, position and mounting ABS and TCS wiring, connectors, clips and brackets. ABS and TCS are extremely sensitive to electromagnetic interference.
- Do not use a fast charger when battery is connected. Never disconnect battery from system with engine running.
- Ignition switch must be in Off position when disconnecting EBCM.
- Many ABS system c...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Oldsmobile Alero AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Fuel Pressure Relief -> Except Aveo, LaCrosse, LeMans (1988-93), Malibu & Malibu Maxx (2004-05), Metro, Nova, Prizm, Spectrum & Storm -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
Vehicle: 2004 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 vehicle relearns its adaptive strateg...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Oldsmobile Alero AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2004 Oldsmobile Alero 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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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Oldsmobile Alero AUTOMOBILES
Alternator, Replace
Vehicle: 2004 Oldsmobile Alero 3.4 V6 GAS
- Disconnect battery ground cable.
- Remove cruise control module.
- Remove engine mount.
- Turn 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, nu...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Oldsmobile Alero AUTOMOBILES
General Motors Corp./Saturn Cars -> Air Bag Warning Lamp ->
Vehicle: 2004 Oldsmobile Alero 3.4 V6 GAS
This lamp should light for a approximately 6-8 seconds when the ignition is turned on as a bulb check. If the air b...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Oldsmobile Alero AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2004 Oldsmobile Alero 2.2 L4 GAS
Inlet
- Drain cooling system into a suitable container.
- Remove evaporator hose assembly.
- Remove condenser tube.
- Reposition heater hose inlet clamp at heater core using hose clamp pliers J 38185 or equivalent.
- Remove heater inlet hose from heater core.
- Reposition heater core inlet hose clamp at engine using hose clamp pliers J 38185 or equivalent.
- Remove hose from engine.
- Remove hose from vehicle.
- Reverse procedure to in...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Oldsmobile Alero AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 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 2004 Oldsmobile Alero AUTOMOBILES
Component location diagrams for most 2004 Oldsmobile Alero cars and light trucks sold in the U.S. from 1990+.
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![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2004 Oldsmobile Alero AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Oldsmobile Alero cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Oldsmobile Alero AUTOMOBILES
OEM TSB listings for most 2004 Oldsmobile Alero cars and light trucks sold in the U.S. from 1985+.
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2004 Oldsmobile Alero 3.4 V6 GAS Auto Systems: |
Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 2004 Oldsmobile Alero 3.4 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Oldsmobile Alero AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 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 2004 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 2004 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 2004 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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