🏷️ Basic Information

Make:

Buick

Model:

Park Avenue

Year:

1993

Market:

North America

Generation:

Third Generation (1991-1996)

👋 Introduction

Market Position:

Luxury full-size sedan, targeting premium buyers seeking comfort, quietness, and refined performance.

Key Features:

Front-wheel drive, comfortable ride, spacious interior, focus on luxury amenities.

📋 Manual Details

Coverage Areas:

All service and repair procedures, A-Z

Format:

Downloadable Digital Manual (PDF)

Manual Type:

Complete Workshop Service Repair Manual

Language:

English

📖 Manual Coverage

Systems Covered:

Engine mechanical, Engine electrical, Fuel system, Exhaust system, Cooling system, Lubrication system, Ignition system, Starting and charging system, Transmission (automatic), Drivetrain, Suspension (front and rear), Steering system, Brake system (front and rear), ABS, Body electrical system, HVAC system, Interior trim, Exterior trim, Chassis components, Emissions control system, Diagnostic procedures

Procedures Included:

Routine maintenance, Scheduled maintenance, Troubleshooting, Diagnosis, Repair, Overhaul, Component replacement, Wiring diagrams, Torque specifications, Fluid capacities and specifications, Special tools, Exploded views

Technical Depth:

Comprehensive (from basic maintenance to complete engine and transmission rebuilds)

Wiring Diagrams:

Complete and detailed wiring diagrams for all electrical systems

Troubleshooting Charts:

Systematic troubleshooting charts and diagnostic flowcharts for common problems

Body Repair:

Body panel alignment, dent repair, rust repair, door and window regulator repair, bumper repair.

Alignment Specs:

Detailed front and rear wheel alignment specifications

Brake System Repair:

Front disc, rear drum brake system (with rear disc on some models), ABS system diagnostics and repair.

Engine Rebuild:

Complete engine disassembly, inspection, and reassembly procedures for both naturally aspirated and supercharged engines.

Transmission Overhaul:

Detailed procedures for the 4T60-E automatic transmission, including solenoid testing, valve body service, and complete rebuild.

HVAC System Repair:

Refrigerant handling, component replacement (compressor, condenser, evaporator), blower motor service, climate control module diagnostics.

📊 Manual Specifications

File Format:

Portable Document Format (PDF)

Searchability:

Searchable text for quick access to information

Print Quality:

High quality for clear text and images

Accessibility:

Printable (individual pages or entire manual), Downloadable to tablets and smartphones

Required Software:

Adobe Reader (free download)

⚙️ Engine Specifications

Engine Code:

L27 (3800 Series I V6)

Engine Type:

3.8L (3800cc) Overhead Valve (OHV) V6, Supercharged variant available

Horsepower Base:

170 hp @ 4800 rpm

Torque Base:

225 lb-ft @ 2000 rpm

Horsepower Supercharged:

205 hp @ 4800 rpm

Torque Supercharged:

270 lb-ft @ 3200 rpm

Fuel System:

Multi-port Fuel Injection (MPFI)

Fuel Type:

Unleaded gasoline

Bore X Stroke:

3.80 in x 3.38 in (96.5 mm x 85.8 mm)

Oil Capacity:

4.5 US quarts (4.3 L) with filter change

Recommended Oil:

API SG or SH, SAE 5W-30

🔧 Transmission

Transmission Type:

4-speed automatic (4T60-E)

Transmission Features:

Electronically controlled, overdrive

Transmission Fluid Type:

Dexron III Automatic Transmission Fluid

Transmission Fluid Capacity:

Approx. 8.5 US quarts (8.0 L) for change with filter

📐 Dimensions

Wheelbase:

110.8 inches (2814 mm)

Length:

206.2 inches (5237 mm)

Width:

72.2 inches (1834 mm)

Height:

55.5 inches (1410 mm)

Curb Weight Base:

3,797 lbs (1722 kg)

Curb Weight Supercharged:

3,866 lbs (1754 kg)

Trunk Volume:

17.7 cubic feet (501 L)

Passenger Volume:

109.4 cubic feet (3098 L)

🛡️ Safety Features

Airbags:

Driver and front passenger airbags

Seatbelts:

Front shoulder belts with inertia reel, rear 3-point belts

ABS:

Anti-lock Braking System (ABS) standard on all models

Fhwss Driver Side:

Good (for its era)

Fhwss Passenger Side:

Acceptable (for its era)

💡 Technology Features

Infotainment Features:

AM/FM stereo with cassette player, optional CD player, steering wheel mounted audio controls (on some models), optional premium sound system.

Climate Control:

Automatic Climate Control (optional on some trims, standard on Ultra)

Keyless Entry:

Optional Remote Keyless Entry

Seats:

Power adjustable front seats, optional heated front seats, memory seat function.

🔧 Maintenance

Oil Change Interval:

Every 5,000 miles (8,000 km) or 6 months, whichever comes first

Air Filter Replacement:

Every 30,000 miles (48,000 km) or as needed

Spark Plug Replacement:

Every 100,000 miles (160,000 km) for platinum tipped plugs

Coolant Flush:

Every 2 years or 30,000 miles (48,000 km)

Coolant Type:

GM specified Long Life Antifreeze/Coolant (50/50 mix with distilled water)

Brake Fluid Type:

DOT 3

Power Steering Fluid:

Dexron III Automatic Transmission Fluid

Coolant Type Specific:

Ethylene Glycol based, meeting GM 1825M or GM 1899M specifications

Common Issues:

Intake manifold gasket leaks, fuel pump issues, power steering pump leaks, transmission solenoid failures, climate control panel malfunctions, occasional electrical gremlins, catalytic converter failure on high-mileage vehicles.

📚 Vehicle History

Brand Heritage:

Buick, a division of General Motors, has a long history of producing comfortable, well-equipped, and upscale American vehicles.

Model Evolution:

The Park Avenue nameplate evolved from the LeSabre, representing Buick's flagship sedan. The 1993 model is part of the third generation, marked by a significant redesign and introduction of the supercharged engine option.

Production Location:

Orion Assembly Plant, Orion Township, Michigan, USA

🏆 Awards & Recognition

Recognitions:

The 3800 V6 engine was a frequent recipient of Ward's 10 Best Engines awards in subsequent years for its smoothness, durability, and fuel efficiency.