🏷️ Basic Information Identification Make: Oldsmobile Model: Alero Year: 2004 Codes Platform: GM N platform (subsequent revision) Vin Code Engine: 3.4L V6 (VIN X), 2.4L L4 (VIN 1) 👋 Introduction Market Position Positioning: A mid-size, front-wheel-drive car offered by Oldsmobile, positioned as an accessible and stylish option in the late 1990s and early 2000s, before the brand's discontinuation. Competitive Analysis Competitors: Ford Taurus, Honda Accord, Toyota Camry, Nissan Altima, Chevrolet Malibu. Key Features Dv Appeal: Styling, available V6 engine, a range of trim levels offering varying feature sets. Software Advantage: Instant access, cost-effectiveness compared to printed manuals, convenience, compatibility across multiple devices, licensed OE data. 📋 Manual Details Coverage Areas Primary Coverage: 2004 Oldsmobile Alero Page Count Estimated Pages: 1500+ Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: Online/Web-based Access (Licensed Software) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical (2.4L LD9, 3.4L LX9), engine electrical, fuel system, exhaust system, engine control systems (ECM/PCM), ignition system, cooling system, lubrication system, transmission (4T40-E automatic). Chassis: Brakes (ABS, disc/drum), steering, suspension (front struts, rear shocks, bushings), wheels, tires. Body & Electrical: Body structure, exterior components, interior trim, climate control (HVAC), lighting, power accessories (windows, locks, mirrors), audio systems, safety systems (airbags, seat belts), wiring diagrams, Body Control Module (BCM). Procedures Included Maintenance: Scheduled maintenance, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, lubrication, inspections. Repair: Engine overhaul, transmission rebuild/replacement, brake component replacement, suspension repair, steering system service, electrical system diagnostics and repair, HVAC system service, body panel repair. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation and resolution, testing procedures for sensors and actuators, wiring schematic analysis. Technical Depth Depth: Comprehensive factory-level diagnostic and repair procedures, including component testing, specifications, tolerances, and torque values. 📊 Manual Specifications File Format Software Requirements: Web browser compatible with internet connection (PC, laptop, smartphone, tablet). Print Quality Digital Quality: High-resolution, licensed OE (Original Equipment) materials. Binding Type Access Method: Subscription-based online access for one year, with renewal options. Paper Type Digital Features: Searchable text, interactive diagrams (likely), printable sections. ⚙️ Engine Specifications Primary Engine 2.4L Ecotec DOHc I4 (Ld9): Displacement: 2392 cc (146 cu in). Bore x Stroke: 86.0 x 86.0 mm. Compression Ratio: 10.0:1. Horsepower: 150 hp @ 5600 rpm. Torque: 155 lb-ft @ 4000 rpm. Fuel Delivery: Sequential Port Fuel Injection (SFI). Block Material: Aluminum. Head Material: Aluminum. 3.4L L36/Lx9 V6 OHV (Gm 3400 Series): Displacement: 3387 cc (207 cu in). Bore x Stroke: 92.0 x 86.0 mm. Compression Ratio: 9.4:1. Horsepower: 170 hp @ 4800 rpm. Torque: 205 lb-ft @ 3200 rpm. Fuel Delivery: Sequential Port Fuel Injection (SFI). Block Material: Cast Iron. Head Material: Aluminum. Performance Typical Acceleration: 0-60 mph in approximately 8-10 seconds, depending on engine and transmission. Fuel System Fuel Type: Unleaded gasoline (87 octane recommended). Fuel Tank Capacity: 14.0 gallons (53 L) 🔧 Transmission Standard Standard Transmission: 4-speed automatic (4T40-E/4T45-E) Optional Optional Transmission: 5-speed manual (available with 2.4L engine) Features Automatic Features: Electronically controlled, torque converter lock-up. 📐 Dimensions Exterior Length: 190.4 inches (4836 mm) Width: 69.9 inches (1775 mm) Height: 55.7 inches (1415 mm) Wheelbase: 107.0 inches (2718 mm) Weights Curb Weight: Approx. 3050-3200 lbs (1383-1451 kg), varies by engine and trim. Cargo Trunk Volume: 14.0 cubic feet (396 L) 🛡️ Safety Features Ratings NHTSA Frontal Driver: Good (4-star rating) NHTSA Frontal Passenger: Good (4-star rating) IIHS Frontal Offset: Acceptable Active Features ABS: Standard on most models, optional on some base trims. Traction Control: Optional on some models. Passive Features Airbags: Dual front airbags standard. Optional side-impact airbags. Seatbelts: Front seat pretensioners and load limiters. 💡 Technology Features Infotainment Audio Options: AM/FM stereo with CD player, optional premium sound system, cassette player (early models). Display Features: Basic digital or analog climate controls, simple radio display. Driver Assistance Cruise Control: Standard on most trims. Connectivity Connectivity Options: Limited by era; primarily analog systems. Optional OnStar available on some models. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months (using synthetic or synthetic blend oil). Refer to manual for specific recommendations based on driving conditions. Tire Rotation: Every 7,500 miles Transmission Fluid Change: Every 60,000-100,000 miles, or as per severe service schedule. Use Dexron III/VI. Fluid Specifications Engine Oil Type: SAE 5W-30 (API Certified). Capacity: 4.5 quarts (4.3L) for 2.4L, 4.0 quarts (3.8L) for 3.4L. Coolant Type: GM 6040M (Orange) or equivalent, 50/50 mix with distilled water. Capacity: Approx. 7.5 quarts (7.1L). Brake Fluid Type: DOT 3 Known Issues Common Issues Engine: Oil leaks from valve cover gaskets and oil pan gaskets, exhaust manifold cracks (especially on 3.4L), intake manifold gasket leaks, occasional ignition coil failures. Common Issues Transmission: Slipping or delayed engagement in 4T40-E transmission, internal seal failures. Common Issues Suspension: Worn front strut mounts and bushings, rear shock absorber wear, premature ball joint and tie rod end...