1999 Buick Park Avenue Service and Repair Manual

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The 1999 Buick Park Avenue is a full-size luxury sedan built on the GM H-body platform, renowned for its comfortable ride, spacious interior, and refined performance. This model year offered...

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Type: Car

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Sku: 82182

Tags: 1999 Buick Car Cars Park Avenue

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Description

The 1999 Buick Park Avenue is a full-size luxury sedan built on the GM H-body platform, renowned for its comfortable ride, spacious interior, and refined performance. This model year offered the robust 3800 Series II V6 engine, available in both naturally aspirated (L36) and supercharged (L67) configurations, delivering between approximately 205 to 240 horsepower. Known for its smooth operation and reliability, the Park Avenue was designed to provide a quiet and luxurious driving experience, making it a popular choice for those seeking comfortable long-distance travel and everyday commuting. Its substantial dimensions, measuring around 207 inches in length, underscore its status as a large, American luxury vehicle. This service and repair manual provides comprehensive guidance for the 1999 Buick Park Avenue, covering all aspects from basic maintenance to complex repairs. The manual details procedures for engine service, including diagnostics and overhaul for both L36 and L67 engines, as well as automatic transmission service, suspension, brakes, steering, and the complete electrical system. It includes essential information such as fluid specifications, maintenance intervals, troubleshooting guides, and detailed wiring schematics. This resource is invaluable for owners, DIY enthusiasts, and professional technicians aiming to maintain, diagnose, and repair the vehicle with factory-level accuracy and efficiency.

🏷️ Basic Information

Identification

Make:

Buick

Model:

Park Avenue

Year:

Codes

Platform:

GM H-body

👋 Introduction

Market Position

Target Audience:

Owners seeking to perform their own maintenance and repairs, DIY enthusiasts, independent repair shops, and automotive students.

Competitive Analysis

Value Proposition:

Provides dealership-level repair information in an accessible digital format, saving time and money compared to relying solely on professional mechanics or generic repair guides.

Key Features

Convenience:

Searchable PDF format, printable pages, ability to enlarge images, no risk of physical damage or loss.

Accuracy:

Vehicle-specific information, identical to what technicians use at dealerships.

📋 Manual Details

Coverage Areas

All Models And Repairs:

Page Count

Estimated Pages:

Detailed information suggests extensive coverage, likely exceeding 1500 pages in a printed equivalent. Exact PDF page count may vary based on formatting.

Manual Type

Type:

Factory Authorized Service and Repair Manual

Language

Language:

English

Format

Digital Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete engine service, overhaul, diagnostics, specifications for all engine variants. Includes valve train, piston/ring assembly, crankshaft, camshaft, oil pump, etc.

Engine Control System:

ECM/PCM diagnostics, sensor operation (MAP, TPS, O2, IAT, ECT), actuator control (IAC, injectors), fuel injection system, ignition system operation and diagnosis.

Fuel Service Specifications:

Fuel pump pressure, injector flow rates, fuel filter replacement, fuel tank service, evaporative emission control (EVAP) system diagnosis.

Emission Control:

Catalytic converter operation, EGR system diagnosis, PCV system, emission control component testing, diagnosis of emission-related trouble codes.

Intake Exhaust Cooling:

Intake manifold service, exhaust system repair (mufflers, catalytic converters, pipes), cooling system (radiator, water pump, thermostat, coolant specifications, fan clutch/electric fan diagnosis).

Lube:

Engine oil specifications, oil filter part numbers, oil change intervals, oil cooler service (if applicable).

Ignition Starting Charging:

Spark plug specifications, ignition timing, coil pack diagnosis, starter motor service, alternator testing and replacement, battery maintenance.

Automatic Transmission Clutch:

ATF specifications, clutch pack diagnosis, torque converter service, transmission fluid change intervals, internal transmission component replacement, solenoids, sensors.

Manual Transmission:

N/A for Park Avenue (typically FWD, automatic only)

Transfer Propeller Shaft:

N/A for Park Avenue (FWD)

Drive Shaft:

FWD axle shaft service, CV joint replacement, boot replacement.

Differential:

FWD transaxle service, fluid specifications, bearing inspection.

Axle Suspension:

Front and rear suspension component diagnosis and replacement (struts, control arms, ball joints, bushings, sway bar links), alignment specifications.

Tire Wheel:

Tire pressure specifications, wheel bolt torque, wheel bearing replacement, tire rotation intervals.

Brake Control:

ABS system diagnosis and repair, EBD (Electronic Brakeforce Distribution) system components, brake fluid specifications, brake bleeding procedures.

Brake:

Front and rear brake pad and rotor replacement, caliper service, brake line inspection and repair, parking brake adjustment and service.

Steering Column:

Steering column assembly, tilt/telescope mechanism service, ignition switch replacement.

Power Steering:

Power steering pump service, rack and pinion steering gear diagnosis and repair, power steering fluid specifications, bleeding procedure.

Air Conditioning:

AC system diagnosis, refrigerant R134a specifications, compressor service, condenser, evaporator, blower motor, HVAC control module, cabin air filter replacement.

Supplemental Restraint System:

Airbag system diagnosis, SRS module, impact sensors, airbag module replacement, seat belt pretensioner service. *Caution: Requires specialized knowledge and safety procedures.*

Seat Belt:

Seat belt mechanism inspection, replacement, and retractor service.

Engine Immobilizer:

Immobilizer system components and diagnosis (if equipped).

Cruise Control:

Cruise control system diagnosis and repair, module, actuators, and switches.

Wiper Washer:

Wiper motor, linkage, blade replacement, washer fluid reservoir and pump service.

Door Lock:

Power door lock actuator replacement, central locking system diagnosis, keyless entry system components.

Meter Audio Visual:

Instrument cluster diagnosis and repair, speedometer, tachometer, gauges, audio system components, speaker replacement, antenna service.

Horn:

Horn operation, horn button contact, horn relay and horn unit replacement.

Windshield Glass Mirror:

Windshield wiper system, exterior mirror adjustment/replacement, power mirror components.

Instrument Panel:

Instrument panel removal and installation, gauge cluster service, lighting.

Seat:

Seat adjustment mechanisms, power seat motor replacement, seat trim service.

Engine Hood Door:

Hood latch and cable service, door hinge lubrication and adjustment, door panel removal.

Exterior Interior:

Body panel alignment, trim replacement, interior component refurbishment, weather stripping service.

Electrical:

Comprehensive electrical system diagnosis, battery testing, charging system, lighting, power distribution, relays, fuses, body control modules (BCM).

Multiplex Can Communication:

Diagnosis of multiplex communication systems, CAN bus network troubleshooting, related modules and wiring.

Procedures Included

Maintenance Procedures:

Oil changes, filter replacements, fluid checks and top-offs, tire rotations, brake inspections, spark plug replacement, coolant flushes, belt replacement.

Troubleshooting Guides:

Systematic diagnostic procedures for common and uncommon faults, including symptom-based troubleshooting and DTC interpretation.

Repair Procedures:

Step-by-step instructions for component removal, installation, and adjustment for all major vehicle systems.

Diagnostic Procedures:

Detailed instructions for using diagnostic tools, interpreting scan tool data, and performing circuit tests.

Wiring Schematics:

Complete and detailed wiring diagrams for all electrical systems, including connector pinouts and wire colors.

Technical Depth

Depth:

Factory-level technical detail, suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic maintenance to complete engine and transmission overhauls, including in-depth electrical and diagnostic procedures.

📊 Manual Specifications

File Format

File Type:

PDF (Portable Document Format)

Print Quality

Printable:

Yes, all pages are printable for workshop use.

Image Resolution:

High resolution, allowing for enlargement of diagrams and illustrations.

Binding Type

Binding:

Digital PDF download (no physical binding)

Paper Type

Digital Paper:

N/A (digital format)

Compatibility

Operating Systems:

Windows (Vista32/64, XP, ME, 98, NT, 2000) and Mac compatible.

Requirements

Software Requirements:

Adobe PDF Reader and Winzip (free online).

⚙️ Engine Specifications

Primary Engine

Engine Options:

3800 Series II V6 (3.8L) L36 (Naturally Aspirated) and L67 (Supercharged) variants were common for 1999 Park Avenue models.

Performance

L36 Horsepower:

Approximately 205 hp @ 5200 rpm

L36 Torque:

Approximately 230 lb-ft @ 3200 rpm

L67 Supercharged Horsepower:

Approximately 240 hp @ 5200 rpm

L67 Supercharged Torque:

Approximately 280 lb-ft @ 3600 rpm

Fuel System

Fuel Injection:

Sequential Central Port Injection (SCPI) or Multi-Port Fuel Injection (MPFI) depending on engine variant.

Fuel Type:

Unleaded gasoline, 87 octane recommended for L36, 91 octane recommended for L67 Supercharged.

🔧 Transmission

Standard

Transmission Type:

4-speed automatic transmission (e.g., 4T65-E)

Optional

Optional Transmission:

N/A (only automatic available for this model year)

Features

Traction Control:

Optional traction control system available on some models.

📐 Dimensions

Exterior

Length:

Approx. 207.2 inches

Width:

Approx. 74.7 inches

Height:

Approx. 56.3 inches

Weights

Curb Weight:

Approx. 3,700 - 3,900 lbs (varies by trim and options)

Gross Vehicle Weight Rating:

Approx. 5,000 lbs

🛡️ Safety Features

Ratings

NHTSA Front Crash Test Rating:

Good (for driver and passenger in frontal impact, based on available data for similar GM vehicles of the era)

IIHS Side Impact Test Rating:

Acceptable or Good (typical for the era, specific data for '99 Park Avenue may vary)

Active Features

Anti Lock Braking System:

Standard ABS on all wheels.

Traction Control:

Optional.

Passive Features

Airbags:

Driver and front passenger airbags.

Seat Belts:

Front and rear seat belts with pretensioners for front occupants.

💡 Technology Features

Infotainment

Audio System:

Premium AM/FM stereo with cassette and CD player options, steering wheel audio controls.

Driver Assistance

Park Assist:

Rear parking assist sensors (optional on some models).

Connectivity

Onstar:

OnStar telematics system available as an option.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 7,500 miles or 6 months (using synthetic oil), or 3,000 miles/3 months (using conventional oil), with filter change at every oil change.

Transmission Fluid Change Interval:

Every 50,000 - 100,000 miles, or as per severe service schedule. Check manual for exact specification.

Coolant Flush Interval:

Every 50,000 miles or 5 years for Dex-Cool coolant, or as per manual for conventional coolant.

Spark Plug Replacement Interval:

Approx. 100,000 miles for platinum-tipped spark plugs (standard on 3800 Series II).

Fluid Specifications

Engine Oil Type:

SAE 5W-30 (check manual for synthetic vs. conventional recommendations).

Transmission Fluid Type:

Dexron III (or equivalent specification ATF).

Coolant Type:

Dex-Cool (orange) or equivalent silicate-free, long-life coolant for 3800 Series II engines. Check manual for specific type.

Brake Fluid Type:

DOT 3 brake fluid.

Known Issues

Common Issues:

Intake manifold gaskets (3800 Series II), power steering pump leaks, window regulator failures, blower motor resistor failure, early transmission fluid leaks, sensor failures (e.g., crankshaft position sensor).

📚 Vehicle History

Brand Heritage

Buick Heritage:

Buick has a long history of producing comfortable, refined, and well-appointed luxury sedans. The Park Avenue embodies this heritage, offering a spacious and quiet ride.

Model Evolution

Park Avenue Lineage:

The Park Avenue nameplate has a history dating back to the mid-20th century, evolving through various Buick platforms. The 1999 model is part of the third generation of the modern Park Avenue, introduced in 1997, based on the GM H-body platform.

Production

Production Years:

1991-2005 for the third and fourth generations, with the 1999 model representing a significant year in its lifecycle, featuring the enhanced 3800 Series II V6 engines.

Manufacturing Location:

Primarily manufactured in North America (e.g., GM's Orion Assembly Plant in Michigan).

🏆 Awards & Recognition

Recognitions

Editorial Awards:

The 3800 Series II V6 engine was a recipient of Ward's 10 Best Engines awards during its production run, recognized for its smoothness, power, and efficiency.