The 2004 LeSabre represents the third generation of this enduring model, built on the H-body platform. Known for its comfortable ride and spacious interior, this large sedan was designed to offer a smooth and reliable driving experience, making it a popular choice for everyday transportation and longer journeys. It features a robust 3.8L V6 engine, available in naturally aspirated and supercharged variants, paired with a 4-speed automatic transmission. Safety was a key consideration, with the LeSabre earning high NHTSA ratings and equipped with standard anti-lock brakes and dual front airbags. This comprehensive factory service manual provides in-depth information for the full service and repair of all 2004 LeSabre models. It covers all major systems, including powertrain, chassis, and electrical components, with detailed procedures for maintenance, diagnostics, and repair. The manual includes factory-level detail, specifications, torque values, and troubleshooting guides, supported by diagrams, illustrations, and wiring schematics. Its purpose is to empower DIY mechanics, independent repair shops, and owners to effectively maintain and restore their LeSabre, ensuring optimal performance and longevity. 🏷️ Basic Information Identification Make: Buick Model: LeSabre Year: 2004 Generation Platform: H-body (Third Generation) 👋 Introduction Market Position Target Audience: DIY mechanics, independent repair shops, and Buick LeSabre owners seeking detailed service information. Competitive Analysis Value Proposition: Provides factory-level diagnostic and repair information equivalent to what dealership technicians use, offering significant cost savings compared to professional labor. Key Features Uniqueness: Vehicle-specific, not generic. Comprehensive A-Z coverage for all repairs. Convenience: Easy-to-use PDF format, printable pages for workshop use, ability to blow up images. 📋 Manual Details Coverage Areas Primary Coverage: Full Service and Repair for all 2004 Buick LeSabre models and trims. Diagnostic Coverage: Advanced diagnostics, troubleshooting, and repair procedures. Maintenance Coverage: Scheduled maintenance, routine servicing, and preventative care. Page Count Estimated Page Count: High (Exact number not specified, but described as comprehensive). Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine (all variants), Fuel System, Emission Control, Intake & Exhaust, Cooling System, Lube System, Ignition, Starting & Charging, Automatic Transmission, Manual Transmission, Clutch. Chassis: Drive Shaft, Differential, Axle, Suspension (Front & Rear), Tire & Wheel, Brake Control, Brakes (Hydraulic & Parking), Steering Column, Power Steering. Electrical And Body: Electrical System, Air Conditioning, Supplemental Restraint System (SRS), Seat Belts, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Locks, Meters, Audio/Visual, Horn, Windshield/Glass/Mirrors, Instrument Panel, Seats, Engine Hood/Door, Exterior & Interior Trim, Multiplex/CAN Communication. Procedures Included Maintenance Procedures: Scheduled maintenance intervals, fluid changes, filter replacements, tune-ups, inspections. Repair Procedures: Detailed step-by-step repair instructions for all major components and systems, including engine rebuilds, transmission overhauls, brake system repairs, suspension work, and electrical troubleshooting. Diagnostic Procedures: Troubleshooting guides, symptom-based diagnostics, fault code interpretation, wiring schematics for electrical system diagnosis. Technical Depth Depth Of Information: Factory-level detail, including component removal and installation, specifications, torque values, special tool requirements, and system operation principles. Documentation Style: Includes diagrams, illustrations, exploded views, and wiring schematics. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Printability: All pages are printable, with the ability to enlarge images. Binding Type Digital Binding: N/A (Digital format, no physical binding) Paper Type Digital Paper Type: N/A (Digital format, no physical paper) Software Requirements Reader Software: Adobe PDF Reader (Free) Unzipping Software: Winzip or equivalent (Free) Operating System Compatibility Windows Compatibility: Windows Vista (32/64-bit), XP, ME, 98, NT, 2000 Mac Compatibility: Yes ⚙️ Engine Specifications Primary Engine Engine Type: 3.8L V6 (Naturally Aspirated and Supercharged - Series III L36 and L67) Performance Horsepower L36: 205 hp @ 5200 rpm Torque L36: 230 lb-ft @ 4000 rpm Horsepower L67: 240 hp @ 5200 rpm Torque L67: 280 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Sequential Fuel Injection (SFI) Engine Management Ignition System: Coil-near-plug ignition Cooling System Cooling Type: Pressurized liquid cooling system Lube System Oil Capacity: Approximately 4.5 quarts (4.3 L) with filter (Specific to engine variant, consult manual for precise fill). Engine Code Identification Engine Codes: L36 (Naturally Aspirated), L67 (Supercharged) 🔧 Transmission Standard Transmission Type: 4-speed Automatic (4T65-E) Optional Optional Transmission: None (4-speed Automatic was standard across all models). Features Transmission Control: Electronic control with torque converter clutch (TCC). Fluid Specifications Transmission Fluid Type: Dexron VI Automatic Transmission Fluid (ATF) or equivalent (refer to manual for precise specification and capacity). 📐 Dimensions Exterior Wheelbase: 110.5 inches (2807 mm) Length: 201.0 inches (5105 mm) Width: 73.4 inches (1864 mm) Height: 56.7 inches (1440 mm) Weights Curb Weight: Approximately 3550 - 3700 lbs (1610 - 1680 kg) depending on trim and options. Gross Vehicle Weight Rating: Consult manual for specific GVWR by model configuration. Cargo Trunk Volume: 17.0 cubic feet (481 L) 🛡️ Safety Features Ratings NHTSA Front Impact Rating: 5-Star (Driver and Passenger) NHTSA Side Impact Rating: 5-Star (Front and Rear Passengers) Active Features ABS: Standard...