Target Audience:
Buick Regal owners, DIY mechanics, automotive repair shops
Advantage Over Print:
More convenient, less expensive than outdated printed manuals, instant online access
Ease Of Use:
Push-button access to information, searchable content
Cost Effectiveness:
Saves money on repair shop costs
Technology Compatibility:
Works on any device with a web browser and internet connection
Engine Mechanical:
Engine assembly, disassembly, overhaul, valve train, cooling system, lubrication system
Fuel System:
Fuel injection, fuel pump, fuel filter, evaporative emissions control
Ignition System:
Spark plugs, ignition coils, distributor (if applicable), timing
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, emissions control
Transmission Manual:
Manual transmission overhaul, clutch, shift linkage
Transmission Automatic:
Automatic transmission overhaul, fluid, filters, torque converter, electronic controls
Drivetrain:
Front-wheel drive (FWD) components, CV axles, differential
Brakes:
Front and rear brake systems (disc/drum), ABS, brake fluid, hydraulic lines, calipers, rotors, pads
Steering:
Power steering system, steering column, tie rods, power steering pump
Suspension:
Front and rear suspension components, struts, shock absorbers, control arms, springs, stabilizer bars
Body And Frame:
Body panel removal/installation, frame components, collision repair basics
Heating Ventilation Air Conditioning HVAC:
HVAC system operation, refrigerant, compressor, condenser, evaporator, blower motor, climate control
Electrical System:
Battery, charging system, starting system, lighting, fuses, relays, power windows, locks
Wiring Diagrams:
Comprehensive wiring schematics for all major systems
Body Electrical:
Instrument panel, door modules, interior lighting, power accessories
Powertrain Control Module PCM:
PCM diagnostics, sensors, actuators, emissions control system integration
Chassis Control Systems:
ABS, traction control (if equipped)
Maintenance Procedures:
Scheduled maintenance, fluid changes, filter replacements, inspections
Repair Procedures:
Step-by-step repair instructions for all covered systems
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting guides
Rebuilding Procedures:
Comprehensive engine and transmission rebuild instructions
Component Replacement:
Detailed instructions for replacing individual components
Diagnostic Procedures:
OBD-II diagnostics, sensor testing, actuator testing
Calibration Procedures:
Wheel alignment, ABS sensor calibration (if applicable)
Depth:
Factory-level detail, suitable for professional technicians and advanced DIYers
Engine Options Typical:
3.8L V6 (L36) and 3.8L Supercharged V6 (L67)
Displacement L36:
3.8 Liters (231 cubic inches)
Horsepower L36:
Approx. 205 hp @ 5200 rpm
Torque L36:
Approx. 230 lb-ft @ 3200 rpm
Performance 3800 L67 Supercharged
Displacement L67:
3.8 Liters (231 cubic inches)
Horsepower L67:
Approx. 240 hp @ 5200 rpm
Torque L67:
Approx. 280 lb-ft @ 3200 rpm
Induction Type:
Sequential Multi-Port Fuel Injection (MFI)
Fuel Type:
Unleaded Gasoline
Block Material:
Cast Iron (common for 3800 Series I/II)
Configuration:
Overhead Valve (OHV), 2 valves per cylinder (3800 Series)
Oil Change Interval:
Typically 5,000-7,500 miles or 6-12 months (refer to manual for exact specs)
Transmission Fluid Change Interval:
Every 30,000-60,000 miles (depending on driving conditions)
Coolant Flush Interval:
Every 30,000-60,000 miles or 2-4 years
Engine Oil Spec:
API SN/SP, SAE 5W-30 (check manual for exact viscosity and API rating)
Coolant Spec:
GM P/N 12346290 (Orange) or equivalent long-life coolant (50/50 mix with distilled water)
Intake Manifold Gaskets:
Leaking intake manifold gaskets (common on 3800 V6 engines with Dex-Cool, though Dex-Cool was less prevalent in '98)
Rocker Arm Wear:
Potential for rocker arm wear and noise if oil changes are neglected.
Power Steering Pump:
Occasional failure of the power steering pump.
Oil Filter Example:
AC Delco PF1218, Fram PH8A, Wix 51042 (verify with manual)
Buick Legacy:
Buick has a long history of producing comfortable, well-appointed, and reliable American sedans.
Platform:
Based on the GM W-body platform, shared with Chevrolet Lumina, Pontiac Grand Prix, Oldsmobile Intrigue.
Design Philosophy:
Focus on comfort, quiet ride, and performance, especially with the supercharged engine option.
Assembly Locations:
Primarily Lansing, Michigan, USA.
