The 1989 Regal represents a segment of American automotive engineering focused on comfort and style, built on the GM W-body platform. This generation of the Regal offered a range of V6 engine options, including the 2.8L, 3.1L, and the potent 3.8L (with a supercharged variant available), paired with automatic or, less commonly, manual transmissions. Known for its smooth ride and distinctive styling for the era, the Regal was designed for everyday driving and personal luxury, catering to a market that valued comfortable interiors and a refined driving experience. Its production spanned multiple North American assembly plants, ensuring a broad availability for consumers seeking a capable and well-appointed vehicle. This Factory Service and Repair Manual provides comprehensive, A-Z coverage for all 1989 Regal models, offering factory-level detail for DIY enthusiasts and professional technicians alike. The manual details essential maintenance procedures, including recommended service intervals for oil changes, transmission fluid, and coolant, alongside specifications for fluids and common wear items. It also covers extensive repair procedures for powertrain, chassis, and body electrical systems, supported by diagrams, illustrations, and wiring schematics. Troubleshooting guidance is integrated to help diagnose and resolve common issues, ensuring owners can effectively maintain and repair their vehicle, ultimately saving time and money. 🏷️ Basic Information Identification Make: Buick Model: Regal Year: 1989 Generation Fourth Generation Codes: GM W-body platform 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, Buick Regal owners Key Features Uniqueness: Vehicle-specific, factory-level detail, comprehensive A-Z coverage Digital Convenience: Easy to use PDF, print only needed pages, no physical wear and tear Value Proposition Savings Potential: Reduces reliance on mechanics for simple repairs, saves time and money Knowledge Enhancement: Empowers owners with knowledge to understand and repair their vehicle 📋 Manual Details Coverage Areas Covered Models: All 1989 Buick Regal models Repair Scope: A-Z (All repairs) Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: PDF Download File Specifications Printability: All pages printable Digital Features: Zoomable images, searchable text (implied by PDF format) Compatibility Operating Systems: Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac 📖 Manual Coverage Systems Covered Powertrain: Engine, Control System, Fuel Service Specifications, Emission Control, Intake Exhaust Cooling, Lube, Ignition Starting Charging, Auto Transmission Clutch, Manual Transmission, Transfer Propeller Shaft, Drive Shaft, Differential, Axle Suspension Chassis: Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering Body Electrical Comfort: Air Condition, Suppl Restraint System, 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 Procedures Included Diagnostic Procedures: Diagnosis, Troubleshooting (implied by technician use) Repair Procedures: Complete step-by-step instructions for all repairs Maintenance Procedures: Maintenance schedules, fluid changes, component servicing Technical Depth Depth: Vehicle-specific, factory-level detail for technicians Technical Resources Illustrations: Diagrams, Illustrations Schematics: Wiring schematics Specifications: Detailed specifications 📊 Manual Specifications File Format Format Details: Adobe PDF Reader Requirement: Adobe PDF Reader (free online) Compression Requirement: Winzip (free online) Print Quality Print Quality: High detail, ability to enlarge images for printing Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF, user prints on own paper) ⚙️ Engine Specifications Primary Engine Options Engine Options 1989 Regal: 2.8L V6 (LB6), 3.1L V6 (LHO), 3.8L V6 (3800) (Supercharged option available on some trims) Performance General Hp Torque Range General: Varies by engine; 2.8L approx. 125 hp, 3.1L approx. 135 hp, 3.8L approx. 165 hp (NA) / 225 hp (SC) Fuel System Fuel Delivery: Multi-port Fuel Injection (MPFI) for most engines Ignition System Ignition Type: Distributorless Ignition System (DIS) or Distributor-based systems depending on engine Cooling System Cooling Type: Pressurized liquid cooling system 🔧 Transmission Automatic Transmission Automatic Transmission Type: THM 3-speed automatic (e.g., THM700-R4) or 4-speed automatic (e.g., 4T60) Manual Transmission Manual Transmission Type: Less common, but possible 5-speed manual on some performance variants (e.g., Getrag 282) Transmission Fluid Automatic Transmission Fluid Spec: Dexron-III (or equivalent ATF) Manual Transmission Fluid Spec: GL-4 or GL-5 gear oil, viscosity depending on temperature (e.g., 75W-90) 📐 Dimensions Exterior Dimensions Wheelbase: Approx. 107.5 inches (2730 mm) Length: Approx. 193.9 inches (4925 mm) Width: Approx. 70.7 inches (1796 mm) Height: Approx. 54.3 inches (1379 mm) Weights Curb Weight Range: Approx. 3,100 - 3,500 lbs (1406 - 1588 kg) depending on configuration Gross Vehicle Weight Rating Gvwr: Typically around 4,200 - 4,500 lbs (1905 - 2041 kg) 🛡️ Safety Features Passive Features Airbags: Driver-side airbag standard on most models for 1989. Passenger airbag not typically available. Seat Belts: Front 3-point automatic retracting seat belts, rear lap belts Active Features ABS: Anti-lock Braking System (ABS) available as an option on certain trims/models Crash Test Ratings NHTSA Ratings 1989: Data for 1989 models may be limited; generally considered safe for its era, but modern standards apply. 💡 Technology Features...