Target Audience:
DIY enthusiasts, independent repair shops, and Buick Regal owners seeking detailed technical information.
Advantage Over Print:
More convenient, less expensive than old printed manuals, instant access.
Licensing:
Officially licensed, derived from OE (Original Equipment) materials.
Information Source:
Developed by RepairSurge with licensed information.
Engine Mechanical:
Complete engine overhaul, including disassembly, inspection, and reassembly for all applicable engines.
Engine Performance:
Engine tuning, diagnostics, emissions control systems, and fuel delivery.
Transmission Manual:
Service and repair procedures for manual transmissions, including clutch operation and diagnostics.
Transmission Automatic:
Service and repair procedures for automatic transmissions, including hydraulic systems, valve bodies, and torque converters.
Drivetrain:
Front-wheel drive axle, CV joints, and related components.
Suspension:
Front and rear suspension systems, including struts, control arms, bushings, and wheel alignment specifications.
Steering:
Power steering system, steering column, rack and pinion, and related components.
Brakes:
Front and rear brake systems (disc/disc), ABS, brake lines, calipers, rotors, and pads.
Electrical System:
Complete wiring diagrams, component locations, battery, charging system, starting system, lighting, and accessory circuits.
Climate Control:
HVAC system, A/C compressor, refrigerant servicing, heater core, blower motor, and climate controls.
Body Exterior:
Exterior panels, doors, hood, trunk lid, bumpers, glass, and trim.
Body Interior:
Interior trim panels, seats, dashboard, and related components.
Safety Systems:
Airbag system diagnostics and service, seat belts.
Scheduled Maintenance:
Detailed maintenance schedules and procedures for all intervals.
Troubleshooting:
Systematic troubleshooting guides and diagnostic flowcharts for common and complex issues.
Repair Instructions:
Step-by-step repair instructions for all major components and systems.
Component Replacement:
Detailed procedures for replacing all serviceable components.
Diagnostic Procedures:
Procedures for using diagnostic tools and interpreting fault codes.
Torque Specifications:
Comprehensive list of torque specifications for all fasteners.
Wiring Diagrams:
Color-coded, detailed wiring diagrams for all vehicle systems.
Depth Level:
Factory-level technical information, suitable for professional technicians and advanced DIYers.
Diagnostic Tools:
Information on using specific diagnostic tools and scan data.
Rebuild Procedures:
Detailed instructions for rebuilding major components like engines and transmissions.
NHTSA Front Impact:
5-star driver, 4-star passenger (for 2002 model year, specific test results may vary slightly by source).
IIHS Side Impact:
Good (for similar GM W-body vehicles of the era).
Active Safety:
Anti-lock Braking System (ABS), Traction Control System (TCS) on some models.
Passive Safety:
Front airbags, front side-impact airbags (optional), reinforced steel frame.
Oil Change Interval:
Every 3,000-5,000 miles or 6 months, depending on driving conditions and oil type used.
Tire Rotation Interval:
Every 5,000-7,500 miles
Coolant Flush Interval:
Every 30,000 miles or 2 years (Dex-Cool coolant recommended)
Engine Oil Spec:
SAE 3.8L V6: 5W-30 (API Service SG or higher, ILSAC GF-2 or higher). Consult manual for specific DEXOS recommendation if applicable post-purchase.
Transmission Fluid Spec:
Dexron III/Mercon (or Dexron VI if compatible).
Coolant Spec:
GM P/N 12346290 or equivalent (orange Dex-Cool Long-Life Coolant).
Engine Common:
Intake manifold gasket leaks (especially on early 3800 Series II engines), oil pressure sensor failures, spark plug blowouts (on Series II and III 3800 engines).
Transmission Common:
Torque converter shudder, internal seal leaks leading to harsh shifting or slipping.
Suspension Common:
Worn strut mounts, worn control arm bushings, premature tie rod end wear.
Electrical Common:
Mass Air Flow (MAF) sensor issues, intermittent dash warning lights.
