🏷️ Basic Information Identification Make: Buick Model: Riviera Year: 1996 Codes Platform Code: G-Body (derived from GM E platform) 👋 Introduction Market Position Positioning: The 1996 Buick Riviera was positioned as a personal luxury coupe, offering a blend of performance, comfort, and advanced technology for its era, appealing to buyers seeking a stylish and comfortable grand tourer. Competitive Analysis Competitors: Competed against other large personal luxury coupes and entry-level luxury sedans such as the Ford Thunderbird, Mercury Cougar, Chrysler LeBaron coupe, and potentially models from Cadillac and Lincoln. Key Features Distinguishing Features: Distinctive styling, powerful supercharged V6 engine option, comfortable and spacious interior, advanced features for the time, and a focus on a smooth, quiet ride. 📋 Manual Details Coverage Areas Coverage: All models and all repairs A-Z Page Count Estimated Page Count: Varies by specific factory manual, typically 1500-3000+ pages for a complete set. Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine (3.8L V6 Supercharged), Control System, Fuel Service Specifications, Emission Control, Intake Exhaust Cooling, Lube, Ignition, Starting, Charging, Auto Transmission (4T65-E) Chassis: Mechanical, Transfer/Propeller Shaft, Drive Shaft, Differential, Axle Suspension, Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering Body & Electrical: Air Condition, Suppl. Restraint System (Airbags), Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter/Audio/Visual, Horn, Windshield/Glass/Mirror, Instrument Panel, Seat, Engine Hood/Door, Exterior & Interior, Electrical, Multiplex/CAN Communication Body And Trim: Exterior and Interior trim, door panels, headliner, upholstery, body panel repair and alignment, glass and mirror replacement. Procedures Included Diagnostic Procedures: Step-by-step diagnostic routines for all major systems, including troubleshooting guides for common and intermittent faults, fault code interpretation (OBD-I/OBD-II as applicable). Repair Procedures: Complete removal, installation, and overhaul procedures for all vehicle components, from minor adjustments to major component replacements. Maintenance Procedures: Scheduled maintenance tasks, fluid checks and changes, filter replacements, component inspections, and lubrication points. Wiring Schematics: Comprehensive wiring schematics for all electrical systems, including engine controls, lighting, audio, power accessories, and safety systems. Technical Depth Depth: Factory-level detail, including specifications, tolerances, torques, diagnostic flowcharts, wiring schematics, and component identification. 📊 Manual Specifications File Format File Format Compatibility: Windows Vista (32/64-bit), XP, ME, 98, NT, 2000, and Mac compatible. Print Quality Printability: All pages are printable, with the ability to blow up images and print enlarged copies. Binding Type Binding: Digital (PDF) - No physical binding Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Code: L67 (3.8L Supercharged V6) Performance Horsepower: 240 hp @ 4800 rpm (for L67 Supercharged) Torque: 280 lb-ft @ 3600 rpm (for L67 Supercharged) Fuel System Fuel Delivery: Sequential Port Fuel Injection (SFI) with Eaton M90 supercharger Cylinder Head Head Material: Aluminum Block Material Block Material: Cast Iron Cooling System Coolant Type: Dex-Cool (Orange silicate-free) or equivalent antifreeze/water mixture (50/50). Lubrication Oil Type: API Service SG, SH, or higher; SAE 5W-30 or 10W-30 (check owner's manual for specific temperature ranges) Oil Capacity: 4.5 US quarts (4.3 liters) with filter change Ignition System Spark Plug Type: AC Delco Rapidfire Platinum or equivalent (e.g., NGK Platinum/Iridium). Specific part number: AC Delco 41-850, 41-990 or equivalent. Bore Stroke Bore And Stroke: 3.80 inches x 3.40 inches (96.5 mm x 86.4 mm) Compression Ratio Compression Ratio: 8.5:1 (for L67 Supercharged) 🔧 Transmission Standard Transmission Type: 4-speed automatic Optional Optional Transmission: None offered for 1996 model year on Riviera with L67 engine. Features Transmission Model: 4T65-E Fluid Specifications Transmission Fluid Type: Dexron-III (Mercon is NOT a suitable substitute). Fluid Capacity Fluid Capacity: Approximately 4.0 US quarts (3.8 liters) for a fluid and filter change. Gear Ratios Gear Ratios 4T65E: First: 2.92:1, Second: 1.57:1, Third: 1.00:1, Fourth: 0.75:1, Reverse: 2.36:1 (Final Drive Ratio: 3.06:1) 📐 Dimensions Exterior Wheelbase: 110.5 inches (2807 mm) Length: 205.0 inches (5207 mm) Width: 74.5 inches (1892 mm) Height: 54.1 inches (1374 mm) Weights Curb Weight: Approximately 3600-3800 lbs (1633-1724 kg), depending on options. Cargo Trunk Capacity: Approximately 17.0 cubic feet (0.48 m³) Wheels And Tires Standard Tire Size: P225/60R16 Wheel Bolt Pattern: 5 x 115 mm (5 x 4.53 inches) 🛡️ Safety Features Ratings NHTSA Driver Front Impact: 4-Star NHTSA Passenger Front Impact: 4-Star Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional Traction Control System (TCS) available on some models. Passive Features Airbags: Standard driver and passenger front airbags. Seat Belts: Front seat shoulder belts with pretensioners, rear 3-point seat belts. 💡 Technology Features Infotainment Audio System: Optional premium sound systems with cassette and CD player, steering wheel controls available on some trims. Driver Assistance Cruise Control: Standard cruise control system. Connectivity Connectivity: Limited by modern standards; primarily analog systems. No integrated Bluetooth or USB. Features Multiplex System: The manual covers the Multiplex/CAN Communication systems, indicating advanced electrical integration for its...