Target Audience:
DIY enthusiasts, home mechanics, and professional technicians seeking accurate, dealership-level repair information.
Value Proposition:
Provides the exact same information used by dealership technicians, ensuring accuracy and completeness, unlike generic repair guides.
Digital Benefits:
Easy to use, searchable, printable specific sections, no greasy pages, scalable images for detailed viewing.
Manual Superiority:
Emphasizes being vehicle-specific and containing the same information used by dealership technicians.
Engine Systems:
Engine, Control System, Fuel Service, Emission Control, Intake, Exhaust, Cooling, Lube, Ignition, Starting, Charging
Transmission Systems:
Automatic Transmission, Clutch, Manual Transmission (if applicable to specific trims), Transfer Propeller Shaft, Drive Shaft, Differential, Axle Suspension
Brake Steering Suspension:
Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering
Electrical Comfort Interior:
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 Chassis:
Engine Hood/Door, Exterior & Interior, Windshield/Glass Mirror, Instrument Panel, Seat, Door Lock
Safety Systems:
Supplementary Restraint System (Airbags), Seat Belt, Engine Immobilizer
Repair Procedures:
Complete step-by-step instructions for maintenance, service, diagnosis, and repair across all listed systems.
Diagnostic Procedures:
Detailed diagnostic procedures for identifying and resolving issues within vehicle systems.
Troubleshooting Guides:
Included for various systems to diagnose common problems.
Assembly Disassembly:
Detailed instructions for dismantling and reassembling various vehicle components.
Depth Of Information:
Factory high-detail repair manuals, vehicle-specific, designed for dealership technicians. Covers everything from basic maintenance to complete rebuilds.
Wiring Information:
Includes wiring schematics for comprehensive electrical system diagnosis and repair.
Compatibility:
Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac compatible
Requirements:
Adobe PDF Reader and WinZip (free online).
Printability:
All pages are printable
Image Scalability:
Images and diagrams can be blown up for detailed viewing and printing.
Binding Type:
N/A (Digital PDF)
Paper Type:
N/A (Digital PDF)
Engine Options 2002 Regal:
3.8L V6 Supercharged (L32), 3.8L V6 (L36) - Commonly found in various trims.
L32 Supercharged Engine Performance:
Approx. 240 hp @ 4400 rpm, 280 lb-ft @ 3600 rpm (typical for this engine in this era).
L36 Naturally Aspirated Engine Performance:
Approx. 200 hp @ 5200 rpm, 225 lb-ft @ 4000 rpm (typical for this engine in this era).
Engine Displacement:
3.8 Liters
Fuel System Type:
Sequential Fuel Injection (SFI)
Fuel Type:
Unleaded gasoline
Engine Codes:
L36 (3.8L V6), L32 (3.8L V6 Supercharged)
Transmission Options:
4-speed automatic (4T65-E) was standard on most models. Manual transmission was generally not offered on the 2002 Regal, though some niche configurations might exist.
Optional Transmission:
N/A for standard production models, focus is on the 4T65-E automatic.
Transmission Features:
Adaptive shifting, potentially driver-selectable modes depending on trim.
Transmission Fluid Capacity:
Approximately 10-11 quarts (refer to manual for exact fill)
NHTSA Front Impact Rating:
5-Star (for driver and passenger) for 2002 models in frontal impacts.
IIHS Side Impact Rating:
Good (for models equipped with side airbags).
Active Safety:
Anti-lock Braking System (ABS), Traction Control System (TCS - often standard on supercharged models).
Passive Safety:
Driver and front passenger airbags, front side-impact airbags (optional on some trims), side-impact door beams, collapsible steering column.
Seat Belt Pretensioners:
Included for front occupants.
Infotainment Features:
Optional premium audio systems, CD player, cassette player, available steering wheel audio controls.
Infotainment Display:
Typically integrated into the center console, with physical buttons and knobs.
Driver Assistance Features:
Cruise control, optional steering wheel controls.
Connectivity Features:
Basic connectivity for audio systems, typically no Bluetooth or advanced smartphone integration.
Oil Change Interval:
Typically every 3,000 to 5,000 miles or 6 months, depending on driving conditions and oil type (consult manual for specific recommendations).
Tire Rotation Interval:
Every 5,000 to 7,500 miles
Engine Oil Specification:
SAE 5W-30, API Certified (e.g., Dexos if applicable, though likely API SL or SM for 2002).
Coolant Specification:
GM-specific orange silicate-free coolant (Dex-Cool or equivalent) mixed 50/50 with distilled water.
Transmission Fluid Specification:
Dexron-III (or Dexron-VI as a backward compatible replacement) for 4T65-E automatic transmission.
Brake Fluid Specification:
DOT 3 or DOT 4 brake fluid
Power Steering Fluid Specification:
GM Power Steering Fluid or Dexron-III/VI Automatic Transmission Fluid
Engine Coolant Capacity:
Approximately 13.5 quarts (refer to manual for exact fill)
Common Issues 3.8L Supercharged:
Lower intake manifold gasket leaks, supercharger coupler wear, spark plug issues (e.g., broken ground strap on certain plugs), throttle body issues.
Common Issues 4T65-E Transmission:
Pulsating or rough shifting, potential for torque converter shudder, solenoid issues.
Common Issues Suspension Steering:
Worn front struts/shocks, front wheel bearing failures, power steering pump noise or leaks.
Common Issues Electrical:
Window regulator failures, power lock actuator issues, HVAC blower motor resistor failures.
Common Issues Engine Performance:
Hesitation or stumbling under acceleration, misfires, particularly on the supercharged models.
Buick Brand Legacy:
Buick has a long history of producing comfortable, refined, and often powerful vehicles, positioning the Regal as a mid-size luxury/performance sedan.
Buick Positioning:
Positioned as a more upscale and comfortable option within the GM lineup, competing with brands like Ford (Taurus), Chrysler (Concorde), and Japanese luxury sedans.
Regal Generations:
The 2002 model is part of the fourth generation (G-Body), based on the GM W-body platform, which also underpinned models like the Chevrolet Impala and Pontiac Grand Prix. This generation was known for its improved chassis and available supercharged V6.
2002 Model Year Updates:
The 2002 model year saw refinements to the existing G-body platform, with the supercharged 3800 Series II V6 becoming a prominent performance option, particularly in the Regal GS trim.
Manufacturing Location:
Oshawa, Ontario, Canada; Lansing, Michigan, USA
Production Years For This Generation:
1997-2003
