🏷️ Basic Information

Make:

Buick

Model:

Park Avenue

Year:

1999

Trim Levels Covered:

All trim levels, including base and Ultra

👋 Introduction

Market Position:

Premium large sedan, offering comfort, luxury, and advanced features for its time.

Competitors:

Competed with vehicles like the Lincoln Continental, Cadillac DeVille, and Chrysler LHS.

Key Features Vehicle:

Comfortable ride, spacious interior, quiet cabin, optional supercharged engine (Ultra trim).

Key Features Manual:

Licensed OE data, accessible online, DIY friendly, comprehensive coverage, cost-effective alternative to printed manuals.

📋 Manual Details

Coverage Areas:

Comprehensive service and repair information for all major vehicle systems

Page Count:

Not explicitly stated, but described as extensive 'factory-derived' information

Manual Type:

Service and Repair Manual Software

Language:

English

Format:

Digital PDF Download (Online Access)

Access Duration:

1 Year of access included, with discounts for extended access

📖 Manual Coverage

Systems Covered:

Engine, Drivetrain (Transmission, Axles), Brakes, Suspension, Steering, HVAC (Heating, Ventilation, Air Conditioning), Electrical System (Wiring Diagrams, Components), Body & Chassis, Fuel System, Exhaust System, Cooling System, Lubrication System, Ignition System, Emission Controls, Safety Systems

Procedures Included:

Routine Maintenance, Scheduled Service, Troubleshooting Diagnoses, Component Removal & Installation, Repair Procedures, Overhaul Procedures, Diagnostic Codes (DTCs), Electrical Component Testing, Fluid Checks & Changes, Brake System Service, Suspension & Steering Adjustments, HVAC System Servicing

Technical Depth:

Extensive; covers from basic maintenance to in-depth repair and diagnostics, equivalent to factory service information.

📊 Manual Specifications

File Format:

PDF (downloadable via web browser)

Print Quality:

High-resolution, printable pages

Binding Type:

N/A (Digital)

Paper Type:

N/A (Digital)

Device Compatibility:

Compatible with PC, Laptop, Smartphone, Tablet via web browser

⚙️ Engine Specifications

Primary Engine Option:

3.8L V6 (Naturally Aspirated)

Engine Code Na:

L36

Displacement Na:

3791 cc (231.3 cubic inches)

Horsepower Na:

205 hp @ 5200 rpm

Torque Na:

230 lb-ft @ 3200 rpm

Optional Engine Option:

3.8L V6 (Supercharged)

Engine Code Sc:

L67

Horsepower Sc:

240 hp @ 5200 rpm

Torque Sc:

280 lb-ft @ 3600 rpm

Fuel System:

Sequential Multi-Port Fuel Injection (MFI)

Coolant Type:

Dex-Cool (Orange, long-life) or equivalent silicate-free coolant

Oil Type:

SAE 5W-30 API Certified

Oil Capacity W Filter:

4.5 US Quarts (4.3 Liters)

🔧 Transmission

Standard Transmission:

4-Speed Automatic Transaxle

Transmission Model Na:

4T65-E

Optional Transmission:

4-Speed Automatic Transaxle (Heavy-Duty)

Transmission Model Sc:

4T65-E HD (for Supercharged models)

Transmission Features:

Electronically controlled, adaptive shifting, lock-up torque converter

Transmission Fluid Type:

Dexron-III (or Dexron-VI compatible) automatic transmission fluid

Transmission Fluid Capacity:

Approx. 5.0 US Quarts (4.7 Liters) for a dry fill (total capacity higher)

📐 Dimensions

Wheelbase:

110.5 inches (2807 mm)

Length:

201.0 inches (5105 mm)

Width:

73.7 inches (1872 mm)

Height:

55.9 inches (1420 mm)

Curb Weight Na:

Approx. 3,600 - 3,700 lbs (1633 - 1678 kg)

Curb Weight Sc:

Approx. 3,800 - 3,900 lbs (1724 - 1769 kg)

Front Headroom:

39.3 inches (998 mm)

Rear Headroom:

38.3 inches (973 mm)

Front Legroom:

43.1 inches (1095 mm)

Rear Legroom:

39.7 inches (1008 mm)

Trunk Capacity:

17.2 cubic feet (487 Liters)

🛡️ Safety Features

NHTSA Driver Front Impact:

4 Stars (1999 Model Year)

NHTSA Passenger Front Impact:

4 Stars (1999 Model Year)

Active Safety Features:

Anti-lock Braking System (ABS), Traction Control System (TCS - standard on Ultra, optional on base)

Passive Safety Features:

Driver and front passenger airbags, front side-impact airbags (optional), reinforced passenger cage, crumple zones.

💡 Technology Features

Infotainment Features:

Optional premium audio systems, CD player, cassette player, steering wheel audio controls.

Driver Assistance Features:

Traction control, optional active suspension (Gran Touring Suspension) on some models.

Comfort Features:

Dual-zone automatic climate control, heated seats, power adjustable pedals (optional), memory seats, steering wheel mounted climate and audio controls.

🔧 Maintenance

Oil Change Interval:

Every 5,000 - 7,500 miles or 6 months, whichever comes first (depending on driving conditions and oil type used).

Tire Rotation Interval:

Every 5,000 - 7,500 miles

Coolant Flush Interval:

Initially at 5 years or 100,000 miles, then every 2-5 years or 50,000-100,000 miles thereafter (depending on coolant type).

Transmission Fluid Change Interval:

Typically every 50,000 - 100,000 miles under normal driving conditions, or sooner if severe service.

Power Steering Fluid:

GM Power Steering Fluid or Dexron-III ATF

Brake Fluid:

DOT 3

Known Issues General:

Intake manifold gasket leaks (especially on earlier 3800 V6 engines), coolant elbow leaks, power steering pump leaks, alternator failure, power window regulator issues, rear main seal leaks, ABS sensor failures, and occasional transmission solenoid issues.

Known Issues Supercharger:

Supercharger belt issues, potential for supercharger coupler wear.

Common Filters Oil:

ACDelco PF1233, Wix 51042, Fram PH3565 (verify specific engine application)

📚 Vehicle History

Brand Heritage:

Buick, established in 1899, is known for its focus on comfort, quietness, and a dignified driving experience, historically targeting a mature demographic.

Model Evolution Park Avenue:

The Park Avenue nameplate has been used by Buick since the 1970s, evolving from a premium trim level to a standalone model. The 1999 model represents the third generation of the modern Park Avenue, introduced for the 1997 model year, built on GM's G platform.

Production Years:

1991-2005 (for the generation that includes 1999)

Manufacturing Location:

Orion Assembly Plant, Orion Township, Michigan, USA

🏆 Awards & Recognition

Car And Driver 10Best:

Not specifically cited for the 1999 model, but the Park Avenue and its GM Epsilon platform variants frequently appeared on automotive journalist recommendation lists for comfort and value.