🏷️ Basic Information Identification Make: Oldsmobile Model: Alero Year: 1999 Codes Chassis Code: GM "N" Body (GM130) 👋 Introduction Market Position Market Position: Targeted at DIY enthusiasts and independent repair shops seeking factory-level repair information for the 1999 Oldsmobile Alero. Competitive Analysis Competitive Analysis: Offers a digital, convenient alternative to often outdated and hard-to-find printed manuals, providing licensed OE data. Competes with other online service providers and printed aftermarket manuals. Key Features Key Features: Officially licensed, OE-derived information, accessible on multiple devices, year-long access, comprehensive coverage, cost savings over professional repair. 📋 Manual Details Coverage Areas Coverage Areas: All mechanical and electrical systems, bodywork, diagnostics, maintenance, and repair procedures. Page Count Estimated Page Count: Extensive (Software-based, equivalent to 1000+ pages of printed material) Manual Type Manual Type: Official Service and Repair Manual Software Language Language: English Format Format: Online Software (Web-based Access) 📖 Manual Coverage Systems Covered Engine: 2.4L DOHC I4 (LD9), 3.4L OHV V6 (LA1), including diagnosis, repair, overhaul, timing, fuel, cooling, lubrication, ignition, and exhaust systems. Transmission: 4T40-E (4-speed automatic) and Getrag 284 (5-speed manual), including diagnosis, overhaul, fluid service, and shift control. Brakes: Front disc (Vented 276mm), Rear disc (Solid 255mm), ABS (Bosch 2-channel), parking brake, hydraulic lines, and bleeding procedures. Suspension Steering: Front MacPherson strut, rear multi-link independent suspension, power rack and pinion steering, wheel alignment specifications. Electrical Electronics: Complete wiring diagrams, charging system (alternator, battery), starting system, lighting, instrument cluster, body control modules, and diagnostic trouble codes (DTCs). HVAC: Air conditioning system (refrigerant type R134a), heating system, climate control, blower motor, and components. Bodywork Interior: Body panel repair, doors, windows, locks, seats, trim, airbags, and glass replacement. Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement, tire rotation, brake pad replacement. Troubleshooting: Diagnostic flowcharts for common drivability issues, electrical faults, and mechanical problems based on symptoms. Repair: Component removal and installation, rebuild procedures for major assemblies, seal and gasket replacement, component testing. Diagnostics: OBD-II system diagnostics, sensor testing, actuator testing, PCM/ECM diagnosis, and use of diagnostic scan tools. Technical Depth Technical Depth: Comprehensive, covering everything from basic preventative maintenance to complex engine and transmission overhauls, including detailed torque specifications and schematics. 📊 Manual Specifications File Format File Format: Web-based, accessible via browser. No specific file type like PDF specified, implies streaming or interactive content. Print Quality Print Quality: N/A (Digital format) Binding Type Binding Type: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) Access Access Duration: 1 Year with purchase, discounts available for extensions. Compatibility: PC, laptop, smartphone, tablet with internet connection and web browser. ⚙️ Engine Specifications Primary Engine Engine 1 Variant: 2.4L DOHC L4 (LD9) Engine 1 Displacement: 2392 cc (146 cu in) Engine 1 Horsepower: 150 hp @ 5600 rpm Engine 1 Torque: 154 lb-ft @ 4400 rpm Secondary Engine Engine 2 Variant: 3.4L OHV V6 (LA1) Engine 2 Displacement: 3387 cc (207 cu in) Engine 2 Horsepower: 170 hp @ 5200 rpm Engine 2 Torque: 205 lb-ft @ 4000 rpm Fuel System Fuel System: Multi-port Fuel Injection (MPFI) Recommended Fuel: 87 Octane Unleaded Gasoline (Premium recommended for LA1 V6 for optimal performance) 🔧 Transmission Standard Standard Transmission: 5-Speed Manual (Getrag 284) Optional Optional Transmission: 4-Speed Automatic (4T40-E) Features Transmission Features: Electronic shifting controls, torque converter lock-up for overdrive. 📐 Dimensions Exterior Wheelbase: 103.5 inches (2629 mm) Length: 187.5 inches (4763 mm) Width: 69.4 inches (1763 mm) Height: 55.5 inches (1410 mm) Weights Curb Weight Est Min: 3050 lbs (1383 kg) Curb Weight Est Max: 3200 lbs (1451 kg) 🛡️ Safety Features Ratings NHTSA Frontal Driver Rating 1999: ★★★★☆ (4/5 stars) NHTSA Frontal Passenger Rating 1999: ★★★★☆ (4/5 stars) Passive Features Airbags: Dual front airbags Seatbelts: 3-point seatbelts in all seating positions, front pretensioners. Active Features ABS: Standard 4-wheel Anti-lock Braking System (ABS) 💡 Technology Features Infotainment Infotainment Features: Standard AM/FM stereo with cassette player and optional CD player. Available premium sound system. Basic HVAC controls. Driver Assistance Driver Assistance: ABS. No advanced driver-assistance systems (ADAS) features such as traction control, stability control, or adaptive cruise control were standard or commonly available in 1999 for this model. Connectivity Connectivity: Basic connectivity through power outlets. No Bluetooth or USB connectivity standard. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 7,500 miles or 6 months (whichever comes first), depending on oil type and driving conditions. Engine Coolant Change: Every 30,000 miles or 2 years. Transmission Fluid Change: Every 50,000 - 60,000 miles for automatic, inspect manual fluid every 60,000 miles. Spark Plug Replacement: LD9: 100,000 miles (Platinum/Iridium). LA1: 60,000 miles (Platinum). Fluid Specifications Engine Oil Specification: API Service SG, SH, SJ or ILSAC GF-2. Viscosity: SAE 5W-30 (all temperatures) or SAE 10W-30 (above 0°F/-18°C). Engine Coolant Specification: GM specification 1803413 or equivalent Dex-Cool® extended life coolant (orange). Transmission Fluid Automatic: Dexron®-III...