Production Years Covered:
1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Target Audience:
Owners seeking to perform their own maintenance and repairs, independent repair shops, automotive enthusiasts.
Manual Type Comparison:
This is the same exact OEM manual used by official dealers, offering superior detail to generic aftermarket guides.
Documentation Source:
Original Service Manuals, Wiring Diagrams and Bulletins directly from the manufacturer.
User Interface:
Click of a mouse access to comprehensive information, zoomable pages.
Engine:
Detailed diagnostics, repair, and overhaul procedures for all available engine variants.
Transmission:
Service, repair, and rebuilding of automatic transmissions.
Chassis Suspension:
Front and rear suspension, steering system, wheel alignment, and driveline components.
Brakes:
Brake system diagnostics, repair, hydraulic components, ABS system servicing.
Electrical System:
Complete wiring diagrams, component testing, diagnostics of lighting, ignition, charging, starting, and accessory systems.
Body And Interior:
Body panel repair, interior trim removal and installation, climate control system, power accessories.
Comfort Convenience:
Climate control (HVAC), power seats, power windows, door locks, mirrors, audio system, and security systems.
Maintenance:
Routine scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tune-ups.
Repair:
Step-by-step repair instructions for all major vehicle systems and components.
Diagnostics:
Factory-level diagnostic procedures, troubleshooting guides, and common fault identification.
Rebuilds:
Engine and transmission rebuild procedures with detailed specifications.
Electrical Diagnostics:
In-depth troubleshooting for electrical faults using wiring diagrams and component tests.
Depth:
OEM-level, comprehensive coverage suitable for professional technicians and advanced DIY enthusiasts.
Engine Options:
3.8L V6 (L36) and 3.8L Supercharged V6 (L67)
3.8L V6 (L36) Approximate Horsepower:
205 hp
3.8L Supercharged V6 (L67) Approximate Horsepower:
240 hp
3.8L V6 (L36) Approximate Torque:
230 lb-ft
3.8L Supercharged V6 (L67) Approximate Torque:
280 lb-ft
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MFI)
Ignition System:
Distributorless Ignition System (DIS) with Coil-on-Plug (COP) on some variants.
Transmission Type:
4-Speed Automatic (4T60-E, 4T65-E)
Shift Control:
Electronic control with driver-selectable modes (e.g., Sport/Tour).
Automatic Transmission Fluid Type:
Dexron III (or equivalent)
Wheelbase:
Approx. 110.5 inches
Overall Length:
Approx. 203.7 inches
Overall Width:
Approx. 74.5 inches
Overall Height:
Approx. 56.7 inches
Curb Weight:
Approx. 3,800 - 4,000 lbs (varies by trim and options)
Gross Vehicle Weight Rating Gvwr:
Typically around 5,000 - 5,200 lbs
NHTSA Front Crash Test Rating:
Typically 4-star (driver and passenger) for earlier models, potential for improvement in later years.
Traction Control:
Available Traction Control System (TCS) on most models.
Anti Lock Brakes:
Standard Anti-lock Braking System (ABS) on all wheels.
Airbags:
Driver and front passenger airbags; available side airbags on later models.
Seat Belts:
Front and rear seat belts with pretensioners.
Audio System:
Factory-installed AM/FM stereo with cassette and CD player, optional premium sound systems (e.g., Bose).
Climate Control:
Automatic Climate Control (Dual Zone) with electronic sensors for precise temperature regulation.
Cruise Control:
Standard cruise control.
Parking Assist:
Available Ultrasonic Rear Park Assist on some later models.
Oil Change Interval:
Typically every 3,000-5,000 miles or 6 months, depending on driving conditions and oil type used (refer to manual for exact recommendations).
Coolant Change Interval:
Every 30,000 miles or 2 years for conventional coolant; longer for extended-life coolants (verify in manual).
Transmission Fluid Change Interval:
Every 50,000-100,000 miles, depending on usage and fluid type (Dexron III/VI or equivalent, check manual).
Engine Oil Type:
SAE 3.8L V6: 5W-30; 3.8L Supercharged V6: 5W-30 or 10W-30 (check owner's manual for specific viscosity and API service classification, typically API SG, SH, SJ, SL).
Coolant Type:
Dex-Cool (Orange) or equivalent silicate-free, extended-life coolant (50/50 mix with distilled water).
Common Issues:
Intake manifold gasket leaks, power steering leaks, EGR valve issues, supercharger coupler failure (on L67), window regulator failures, fuel pump issues.
Supercharger Belt Maintenance:
Regular inspection and replacement of the supercharger belt on L67 models for optimal performance and to prevent damage.
Buick Brand Focus:
Buick has a long history of producing comfortable, quiet, and upscale American sedans.
Park Avenue Legacy:
The Park Avenue nameplate has been a staple in Buick's lineup, representing luxury and comfort for decades. The 1997-2005 generation, based on the G platform, was a significant update focusing on improved aerodynamics, updated powertrains, and enhanced interior amenities.
Manufacturing Location:
Willington, Ontario, Canada and Lake Orion, Michigan, USA
