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2002 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
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2002 Oldsmobile Alero AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 2002 Oldsmobile Alero 2.2 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 2002 Oldsmobile Alero AUTOMOBILES
Anti-lock Brakes -> Delphi DBC 7 -> Precautions -> ABS Service
Vehicle: 2002 Oldsmobile Alero 2.2 L4 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 components ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2002 Oldsmobile Alero AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1980-06 Gasoline Engine Models Except Catera, LeMans (1988-93) Metro, Nova (1985-88), Saturn & Sprint -> Normal Service -> Severe Service
Vehicle: 2002 Oldsmobile Alero 3.4 V6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2002 Oldsmobile Alero AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2002 Oldsmobile Alero 3.4 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. 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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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2002 Oldsmobile Alero AUTOMOBILES
Reset Procedures
Vehicle: 2002 Oldsmobile Alero 2.2 L4 GAS
The Tire 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 (Anti-Lock Brake System) 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.
- Press the RESET butt...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 Oldsmobile Alero AUTOMOBILES
Alternator, Replace
Vehicle: 2002 Oldsmobile Alero 2.2 L4 GAS
- Disconnect battery ground cable.
- Remove serpentine drive belt using suitable tool to rotate tensioner.
- Remove mounting bolts and studs.
- Disconnect electrical le...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2002 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: 2002 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 2002 Oldsmobile Alero AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2002 Oldsmobile Alero 3.4 V6 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition inlet heater hose clamp from heater core pipe.
- Remove hose from heater core.
- Reposition heater hose clamp from heater hose inlet pipe.
- Remove inlet heater hose from heater hose inlet pipe.
- Remove hose from vehicle.
- Reverse procedure to ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2002 Oldsmobile Alero AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2002 Oldsmobile Alero 3.4 V6 GAS
- Support engine with suitable wooden block and suitable floor jack positioned below oil pan.
- Remove cruise control module.
- Remove engine mount to bracket support bolts.
- Remove engine mount to body bolts.
- Remove e...
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COMPONENT LOCATION DIAGRAMS FOR 2002 Oldsmobile Alero AUTOMOBILES
Component location diagrams for most 2002 Oldsmobile Alero cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2002 Oldsmobile Alero AUTOMOBILES
OEM drawn wiring diagrams for most 2002 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 2002 Oldsmobile Alero AUTOMOBILES
OEM TSB listings for most 2002 Oldsmobile Alero cars and light trucks sold in the U.S. from 1985+.
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2002 Oldsmobile Alero 3.4 V6 GAS Auto Systems: |
Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 2002 Oldsmobile Alero 3.4 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2002 Oldsmobile Alero AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2002 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 2002 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 2002 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 2002 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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