Powertrain:
Engine mechanical (2.2L, 3.1L, 3.8L), automatic transmission service, axle shafts, drive shafts, exhaust system.
Chassis:
Front suspension, rear suspension, steering system (including variable steering), brakes (including Antilock Brakes, disc/drum), wheel alignment.
Electrical:
Airbags, alternator, starter, horns, interior/exterior lighting, power windows, power door locks, power mirrors, power seats, cruise control, keyless entry, sunroof, defogger, wiper/washer system, electrical component locator, fuses, wiring diagrams.
Comfort And Convenience:
HVAC system (including compressor and troubleshooting), cabin air filter, instrument panel, interior trim, exterior trim, entertainment systems, trunk release.
HVAC Specifics:
AC Compressor service, HVAC system operation, troubleshooting, and component replacement, including cabin air filter.
Frame And Underbody:
Includes information on frame and underbody structure, damage repair, and corrosion protection (2003-2004 models).
Lighting System:
Headlamps, taillamps, interior lighting, fog lamps, and related electrical circuits.
Fuel System Components:
Fuel pump, fuel injectors, fuel filter replacement, fuel pressure testing.
Drive Axles:
CV joint inspection, boot replacement, axle shaft removal and installation.
Steering Column:
Steering column disassembly, ignition switch replacement, and tilt/telescoping mechanisms.
Electrical Component Locator:
Dedicated sections or diagrams to help locate various electrical components throughout the vehicle.
Maintenance:
Routine maintenance, fluid changes, filter replacement, maintenance light reset.
Repair And Diagnostics:
System component tests, self-diagnostics, basic testing, computer relearn procedures, troubleshooting HVAC, electrical diagnostics, powertrain component repair, suspension and steering repair, brake system repair.
Body And Interior:
Exterior trim, interior trim, doors, seats, sunroof, instrument panel, trunk lid, and related mechanisms.
Diagnostic Tools:
Information on using OBD-II scan tools for diagnostics, including retrieval of Diagnostic Trouble Codes (DTCs) and live data.
Vacuum Diagrams:
Detailed vacuum hose routing diagrams for engine and HVAC systems (1997-2002 models).
Computer Relearn:
Procedures for relearning engine control modules (ECM), body control modules (BCM), and other electronic modules after replacement or battery disconnect.
Wheel Alignment:
Specifications and procedures for front and rear wheel alignment, including caster, camber, and toe adjustments.
Drive Belts:
Drive belt routing diagrams and procedures for tensioner adjustment or replacement.
Depth:
Comprehensive, covering routine maintenance to in-depth mechanical and electrical repairs. Includes diagnostic procedures, component specifications, and step-by-step instructions with high-resolution illustrations and diagrams.
Wiring Diagrams:
Detailed wiring diagrams for all electrical systems, including component locators and harness routing.
Component Level Repair:
Detailed instructions for disassembly, inspection, repair, and reassembly of major and minor vehicle components.
Troubleshooting Guides:
Inclusion of specific troubleshooting flowcharts and diagnostic trees for various systems.
Torque Specifications:
Crucial torque specifications for engine, chassis, and body fasteners are detailed within the repair procedures.
Compatibility:
Compatible with all Windows and Mac computers (Windows 10, 8, 7, Vista, XP, ME, 98, NT, 2000, etc.). Also Windows/Mac/Tablet/Phone friendly. Supports 32/64 bit operating systems.
Searchability:
PDF format typically allows for text searching, making it easier to locate specific information within the manual.
Quality:
Hi-Resolution illustrations, instructions, photos, and diagrams.
Type:
Digital (PDF on CD/downloadable)
Digital Medium:
Digital PDF; pages can be printed directly or copied to hard drive.
Engine Options:
2.2L (L61 Ecotec I4 for 1997-2002), 3.1L (L82/L85 3100 V6 for 1997-2004), 3.8L (L36/L67 3800 V6 for 2003-2004).
Power Output 3 1L:
Approximately 160-170 hp @ 5200 rpm and 185-190 lb-ft torque @ 4000 rpm (varies by year/tune).
Power Output 3 8L L36:
Approximately 200 hp @ 5200 rpm and 230 lb-ft torque @ 4000 rpm (naturally aspirated).
Power Output 2 2L:
Approximately 115-125 hp @ 5000 rpm and 125-130 lb-ft torque @ 3600 rpm.
Power Output 3 8L L67 Supercharged:
Approximately 240 hp @ 5200 rpm and 280 lb-ft torque @ 3600 rpm (if applicable, though less common for Regal/Century than Grand Prix GTP).
Induction:
Multi-port Fuel Injection (MPFI) for all engines.
Cooling System:
Pressurized liquid cooling system with electric cooling fans, coolant capacity typically 10.5 quarts.
Radiator Cap Pressure:
Typically 15 psi.
Oil Change Interval:
Typically 3,000-5,000 miles or 3-6 months, depending on driving conditions and oil type. Consult manual for specific recommendations.
Transmission Service Interval:
Recommended every 30,000-60,000 miles for fluid and filter change. Check manual for exact interval.
Spark Plug Replacement Interval:
Typically 60,000-100,000 miles for platinum or iridium spark plugs, depending on specific type and engine.
Engine Oil:
SAE 5W-30 synthetic blend or full synthetic recommended for most conditions (check manual for specific viscosity).
Coolant:
GM-spec Dex-Cool (ethylene glycol based, orange color) or equivalent silicate-free, long-life coolant, mixed 50/50 with distilled water.
Power Steering Fluid:
Dexron-III/VI or GM Power Steering Fluid.
Brake Fluid:
DOT 3 brake fluid.
Common Problems:
Intake manifold gasket leaks (3100/3800 V6 engines), power steering pump leaks, ABS sensor failures, fuel pump issues, early Ecotec engine oil consumption on some 2.2L models.
Common HVACtroubles:
Blend door actuator failures, refrigerant leaks, blower motor resistor issues.
Buick Legacy:
The Regal nameplate has a long history within Buick, often representing a balance of comfort, style, and performance in the mid-size segment.
Buick Positioning:
Buick positioned the Regal as a comfortable and refined option in the mainstream market, often targeting buyers seeking a balance of luxury and value.
Third Generation W Body:
This generation of the Regal (and Century) shared the GM W-body platform with other GM brands, representing a refinement of previous designs with updated styling and powertrains.
Interior Updates:
Interior design and features evolved throughout the generation, with more amenities and updated dashboard layouts in later years.
Manufacturing Plant:
Primarily produced at GM's Oshawa Car Assembly Plant in Oshawa, Ontario, Canada, and Lake Orion Assembly Plant in Michigan, USA.
