Target Audience:
        
        
            Do-it-yourselfers and experienced mechanics
        
     
    
    
        
            Value Proposition:
        
        
            Inexpensive way to keep vehicle working properly, DIY repairs to save money
        
     
    
    
        
            Content Richness:
        
        
            Hundreds of photos and illustrations, detailed diagrams, wiring schematics
        
     
    
        
            Completeness:
        
        
            100% complete and intact, no missing/corrupt pages/sections
        
     
 
    
    
    
        
             Powertrain:
        
        
            Engine overhaul and rebuilding, timing belt replacement, transmission removal and installation, transmission in-car servicing, engine performance, firing orders, serpentine belt routings with diagrams
        
     
    
        
            Braking System:
        
        
            Brakes, brake servicing procedures, complete torque specifications for brake components
        
     
    
        
            Suspension And Steering:
        
        
            Front end and alignment procedures and specifications, suspension systems, U-joint and CV-joint service procedures
        
     
    
        
            Electrical And Diagnostics:
        
        
            Wiring diagrams, trouble codes, troubleshooting and diagnostics, computer diagnostic trouble tree charts, computer diagnostic codes
        
     
    
        
            HVAC And Body:
        
        
            Sunroof service, air conditioning service and capacities
        
     
    
    
        
            Maintenance:
        
        
            Factory maintenance schedules and charts, routine servicing
        
     
    
        
            Repair And Rebuild:
        
        
            Engine overhaul and rebuilding, complete disassembly based repair procedures
        
     
    
        
            Troubleshooting:
        
        
            Trouble codes, computer diagnostic trouble tree charts, troubleshooting and diagnostics
        
     
    
    
        
            Diagnostic Level:
        
        
            Advanced diagnostics with computer diagnostic codes and trouble tree charts
        
     
    
        
            Repair Detail:
        
        
            Step-by-step instructions based on complete disassembly, detailed illustrations and diagrams
        
     
    
        
            Specification Coverage:
        
        
            Detailed specifications on every model covered, complete torque specifications, vacuum diagrams
        
     
 
    
    
    
        
            File Accessibility:
        
        
            Searchable and bookmarked for easy navigation
        
     
    
        
            Compatibility:
        
        
            All versions of Windows & Mac, Linux OS, iPhone, iPad, Android
        
     
    
    
        
            Printable Pages:
        
        
            Yes, allows zooming and printing of individual pages
        
     
    
    
        
            Digital Binding:
        
        
            Instant Download in PDF format
        
     
    
    
        
            Digital Medium:
        
        
            Digital file, can be burned to CD-ROM
        
     
 
    
    
    
        
            Engine Options Covered:
        
        
            All engines, likely including 3800 Series II V6 (L36 & L67 Supercharged) and potentially 2.4L DOHC L4 (LD9)
        
     
    
    
        
            Horsepower And Torque:
        
        
            Detailed specifications for all covered engine variants will be present
        
     
    
    
        
            Fuel Delivery Systems:
        
        
            Covers fuel injection systems, fuel pump operation, and related diagnostics
        
     
    
    
        
            Cooling System Service:
        
        
            Procedures for coolant, radiator, water pump, and thermostat service
        
     
    
    
        
            Exhaust Component Repair:
        
        
            Information on catalytic converters, mufflers, and exhaust manifold repairs
        
     
    
    
        
            Ignition Component Diagnostics:
        
        
            Details on spark plugs, ignition coils, and related wiring
        
     
    
    
        
            Oil Specifications:
        
        
            Likely includes API service categories and SAE viscosity grades for engine oil (e.g., 5W-30 for 3800 V6)
        
     
    
    
        
            ECM Diagnostics:
        
        
            Information on Engine Control Module (ECM) operation and diagnostic trouble codes
        
     
 
    
    
    
        
            Transmission Types:
        
        
            Likely covers the GM 4T65-E 4-speed automatic transmission as standard on most models
        
     
    
    
        
            Manual Transmission:
        
        
            While less common, if a manual transmission was offered, its service procedures would be included.
        
     
    
    
        
            Transmission Fluid Specifications:
        
        
            Will specify DEXRON-VI (or earlier compatible) automatic transmission fluid
        
     
    
    
        
            Transmission Rebuild:
        
        
            Comprehensive instructions for in-car servicing and potential removal/installation for rebuilding
        
     
 
    
    
    
        
            Body Styles Covered:
        
        
            Likely Sedan and Coupe body styles
        
     
    
    
        
            Curb Weight Range:
        
        
            Specific curb weights for different engine and trim combinations will be detailed
        
     
    
        
            Gross Vehicle Weight Rating:
        
        
            GVWR specifications for each configuration will be provided
        
     
 
    
    
    
        
            NHTSA Crash Test Results:
        
        
            Coverage may include or reference NHTSA safety ratings for the model years
        
     
    
    
        
            Traction Control System:
        
        
            Information on traction control system (TCS) operation and diagnostics if equipped
        
     
    
    
        
            Airbag System:
        
        
            Details on airbag system components, sensors, and deployment procedures
        
     
    
        
            Seat Belt System:
        
        
            Information on seat belt operation and maintenance
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Factory-recommended intervals based on mileage and driving conditions (e.g., 7,500 miles or 6 months)
        
     
    
        
            Timing Belt Replacement Interval:
        
        
            Critical for the 3800 V6, likely around 90,000 to 100,000 miles, with detailed procedures for replacement including tensioners and idlers.
        
     
    
    
        
            Engine Coolant Type:
        
        
            Likely a silicate-free ethylene glycol coolant (e.g., DEX-COOL or equivalent)
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 brake fluid
        
     
    
        
            Power Steering Fluid Type:
        
        
            Likely specified DEXRON-III (or compatible) ATF or a dedicated power steering fluid.
        
     
    
    
        
            3800 Series Ii Issues:
        
        
            Potential for intake manifold gasket leaks (lower intake gaskets), along with common issues like failing fuel pumps or alternator problems.
        
     
    
        
            Transmission Issues:
        
        
            The 4T65-E can experience issues with torque converter clutch solenoid failures or internal seal leaks.
        
     
    
        
            Suspension Wear:
        
        
            Common wear items include ball joints, tie rod ends, and control arm bushings due to age and mileage.
        
     
    
    
        
            Preventative Maintenance:
        
        
            Detailed charts outlining recommended inspections and replacements at various mileage intervals.
        
     
 
    
    
    
        
            Buick Legacy:
        
        
            Buick's heritage of comfortable, refined vehicles, often with a focus on V6 power.
        
     
    
    
        
            W Body Platform:
        
        
            The Regal utilized the GM W-body platform, shared with models like the Chevrolet Lumina and Pontiac Grand Prix, undergoing updates and facelifts during this generation.
        
     
    
    
        
            Manufacturing Locations:
        
        
            Primarily manufactured in North America by General Motors.
        
     
 
    
    
    
        
            Engine Awards:
        
        
            The 3800 Series II V6 engine was widely praised and frequently appeared on Ward's 10 Best Engines list during its production.
        
     
    
    
        
            Consumer Reports Reliability:
        
        
            While specific ratings aren't in the manual itself, the manual would aid in maintaining a reliable vehicle, referencing known reliability trends for the model.