1988-1994 BUICK REGAL Service And Repair Manual

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This manual covers the Buick Regal models produced between 1988 and 1994, based on the GM W-body platform. The Regal was offered as both a coupe and a sedan, providing a blend of personal luxury and comfortable transportation, a hallmark of the Buick brand. Throughout its production years, the Regal was equipped with various V6 engine options, including the 2.8L, 3.1L, and 3.8L displacements, paired primarily with automatic transmissions. Its design focused on delivering a refined driving experience, characteristic of Buick's commitment to comfort and quiet operation within the mid-size segment of the North American market. This factory service and repair manual provides comprehensive, A-Z coverage for all repairs, empowering owners and technicians alike. It details maintenance procedures, diagnostic troubleshooting, component replacement, and rebuild instructions for every system, from the engine and drivetrain to the electrical and body components. The manual includes factory-level technical specifications, torque values, wiring schematics, and detailed illustrations to ensure accurate and efficient service. Its digital format allows for easy searching, printing, and zooming, offering a convenient and authoritative resource for maintaining and repairing the Buick Regal. 🏷️ Basic Information Identification Make: Buick Model: Regal Model Generation: GM W Body (Third Generation) Model Years Covered: 1988, 1989, 1990, 1991, 1992, 1993, 1994 Platform Code: W-body 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, Buick Regal owners Value Proposition: Empowers owners to perform their own maintenance and repairs, saving money and gaining knowledge. Competitive Analysis Advantage Over Generic Guides: Vehicle-specific, factory-level detail, not generic information Advantage Over Other Manuals: Comprehensive A-Z coverage, included in a single, easy-to-use PDF format. Key Features Digital Convenience: Printable pages, ability to zoom, store on PC, no greasy pages. Download Speed: Speed Download Diagnostic Capability: Enables accurate diagnosis of issues, mirroring dealership technician procedures. 📋 Manual Details Coverage Areas Primary Coverage: All Models and All Repairs A-Z Region Of Origin: North America (USA, Canada, Mexico) Page Count Estimated Page Count: Extensive (Details provided in specific sections) Manual Type Manual Type: Factory Service and Repair Manual Language Language: English Format Digital Format: PDF Digital Compatibility: Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac OS 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, component testing, diagnostics, rebuild procedures Engine Control System: ECM diagnostics, sensor testing, actuator control, emission control system integration Fuel System: Fuel injection system, fuel pump, injectors, pressure regulator, fuel tank service Emission Control: Catalytic converter, EGR system, EVAP system, O2 sensors, troubleshooting emission faults Intake Exhaust Cooling: Intake manifold, exhaust manifolds, cooling system, radiator, water pump, thermostat, fan clutch Lubrication System: Oil pump, oil filter, oil pan, lubrication passages, oil pressure diagnostics Ignition Starting Charging: Ignition system, spark plugs, coils, distributor (if applicable), starter motor, alternator, battery, charging system diagnostics Automatic Transmission: Service, repair, overhaul, diagnostics, fluid service, torque converter Manual Transmission: Service, repair, overhaul, diagnostics, clutch service Drivetrain Axles: Transfer case (if applicable), drive shafts, U-joints, axles, CV joints, differential service and repair Suspension Steering: Front and rear suspension components, ball joints, control arms, struts, shocks, springs, steering column, power steering system, tie rods, alignment specifications Wheels Tires: Tire and wheel specifications, rotation, balancing, TPMS (if applicable) Brake System: Hydraulic system, master cylinder, brake lines, calipers, wheel cylinders, brake pads, rotors, drums, parking brake system, ABS diagnostics and repair Climate Control: Air conditioning system (R-134a or R-12), heater core, blower motor, controls, refrigerant handling, leak detection Restraint Systems: Seat belts, supplemental restraint system (SRS) / airbags (diagnostics, replacement, calibration if applicable), seat belt pretensioners Cruise Control: Operation, diagnostics, actuator and cable service Wipers Washers: Wiper motor, linkages, washer pump, nozzles Door Locks Security: Door mechanisms, lock actuators, keyless entry system (if equipped), anti-theft system (if equipped), engine immobilizer Instrumentation Gauges: Instrument cluster, gauges, warning lights, speed sensor, tachometer Audio Visual: Radio, speakers, antenna, any factory-installed entertainment systems Lighting Exterior: Headlights, taillights, turn signals, fog lights, interior lighting Body Exterior: Body panels, doors, hood, trunk, bumpers, glass, mirrors, trim Body Interior: Seats, upholstery, dashboard, door panels, headliner, carpeting, interior trim Electrical System: Wiring diagrams, component testing, fuses, relays, body control module (BCM) if applicable, multiplex communication (if applicable) Multiplex Can Communication: Diagnostics and troubleshooting for any multiplexed or CAN-based communication systems (likely basic for this era). Procedures Included Diagnostic Procedures: Troubleshooting charts, fault code interpretation, component testing procedures Repair Procedures: Step-by-step instructions for all major and minor repairs Maintenance Procedures: Scheduled maintenance tasks, fluid changes, filter replacements, lubrication Component Replacement: Detailed instructions for replacing all major and minor components Rebuild Procedures: Comprehensive instructions for engine, transmission, and differential rebuilds Technical Depth Depth Of Information: Factory-level, highly detailed, technician-specific Diagrams Illustrations: Included throughout for clarity and precision Wiring Schematics: Complete electrical wiring diagrams for all systems Specifications Tolerances: All necessary torque values, clearances, and performance specifications 📊 Manual Specifications File Format File Type: PDF Searchability: Likely...

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Typ: Car

Anbieter:

Art.-Nr: 96626

Sammlungen: ALL Buick

Verfügbarkeit: Auf Lager

Stichworte: 1988 1989 1990 1991 1992 1993 1994 Buick Car Cars REGAL

Produktvarianten

Beschreibung

🏷️ Basic Information

Identification

Make:

Buick

Model:

Regal

Model Generation:

GM W Body (Third Generation)

Model Years Covered:

1988, 1989, 1990, 1991, 1992, 1993, 1994

Platform Code:

W-body

👋 Introduction

Market Position

Target Audience:

DIY enthusiasts, independent repair shops, Buick Regal owners

Value Proposition:

Empowers owners to perform their own maintenance and repairs, saving money and gaining knowledge.

Competitive Analysis

Advantage Over Generic Guides:

Vehicle-specific, factory-level detail, not generic information

Advantage Over Other Manuals:

Comprehensive A-Z coverage, included in a single, easy-to-use PDF format.

Key Features

Digital Convenience:

Printable pages, ability to zoom, store on PC, no greasy pages.

Download Speed:

Speed Download

Diagnostic Capability:

Enables accurate diagnosis of issues, mirroring dealership technician procedures.

📋 Manual Details

Coverage Areas

Primary Coverage:

All Models and All Repairs A-Z

Region Of Origin:

North America (USA, Canada, Mexico)

Page Count

Estimated Page Count:

Extensive (Details provided in specific sections)

Manual Type

Manual Type:

Factory Service and Repair Manual

Language

Language:

English

Format

Digital Format:

Digital Compatibility:

Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac OS

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete overhaul, component testing, diagnostics, rebuild procedures

Engine Control System:

ECM diagnostics, sensor testing, actuator control, emission control system integration

Fuel System:

Fuel injection system, fuel pump, injectors, pressure regulator, fuel tank service

Emission Control:

Catalytic converter, EGR system, EVAP system, O2 sensors, troubleshooting emission faults

Intake Exhaust Cooling:

Intake manifold, exhaust manifolds, cooling system, radiator, water pump, thermostat, fan clutch

Lubrication System:

Oil pump, oil filter, oil pan, lubrication passages, oil pressure diagnostics

Ignition Starting Charging:

Ignition system, spark plugs, coils, distributor (if applicable), starter motor, alternator, battery, charging system diagnostics

Automatic Transmission:

Service, repair, overhaul, diagnostics, fluid service, torque converter

Manual Transmission:

Service, repair, overhaul, diagnostics, clutch service

Drivetrain Axles:

Transfer case (if applicable), drive shafts, U-joints, axles, CV joints, differential service and repair

Suspension Steering:

Front and rear suspension components, ball joints, control arms, struts, shocks, springs, steering column, power steering system, tie rods, alignment specifications

Wheels Tires:

Tire and wheel specifications, rotation, balancing, TPMS (if applicable)

Brake System:

Hydraulic system, master cylinder, brake lines, calipers, wheel cylinders, brake pads, rotors, drums, parking brake system, ABS diagnostics and repair

Climate Control:

Air conditioning system (R-134a or R-12), heater core, blower motor, controls, refrigerant handling, leak detection

Restraint Systems:

Seat belts, supplemental restraint system (SRS) / airbags (diagnostics, replacement, calibration if applicable), seat belt pretensioners

Cruise Control:

Operation, diagnostics, actuator and cable service

Wipers Washers:

Wiper motor, linkages, washer pump, nozzles

Door Locks Security:

Door mechanisms, lock actuators, keyless entry system (if equipped), anti-theft system (if equipped), engine immobilizer

Instrumentation Gauges:

Instrument cluster, gauges, warning lights, speed sensor, tachometer

Audio Visual:

Radio, speakers, antenna, any factory-installed entertainment systems

Lighting Exterior:

Headlights, taillights, turn signals, fog lights, interior lighting

Body Exterior:

Body panels, doors, hood, trunk, bumpers, glass, mirrors, trim

Body Interior:

Seats, upholstery, dashboard, door panels, headliner, carpeting, interior trim

Electrical System:

Wiring diagrams, component testing, fuses, relays, body control module (BCM) if applicable, multiplex communication (if applicable)

Multiplex Can Communication:

Diagnostics and troubleshooting for any multiplexed or CAN-based communication systems (likely basic for this era).

Procedures Included

Diagnostic Procedures:

Troubleshooting charts, fault code interpretation, component testing procedures

Repair Procedures:

Step-by-step instructions for all major and minor repairs

Maintenance Procedures:

Scheduled maintenance tasks, fluid changes, filter replacements, lubrication

Component Replacement:

Detailed instructions for replacing all major and minor components

Rebuild Procedures:

Comprehensive instructions for engine, transmission, and differential rebuilds

Technical Depth

Depth Of Information:

Factory-level, highly detailed, technician-specific

Diagrams Illustrations:

Included throughout for clarity and precision

Wiring Schematics:

Complete electrical wiring diagrams for all systems

Specifications Tolerances:

All necessary torque values, clearances, and performance specifications

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely text-searchable within the PDF

Print Quality

Printability:

All pages are printable

Image Scalability:

Images can be blown up and printed in enlarged copies

Binding Type

Binding:

Not Applicable (Digital PDF)

Paper Type

Paper Type:

Not Applicable (Digital PDF)

Software Requirements

PDF Reader:

Adobe PDF Reader (Free)

Unzipping Software:

Winzip or equivalent (Free)

⚙️ Engine Specifications

Primary Engine Options

Common Engines:

2.8L V6 (LG2), 3.1L V6 (LH0), 3.8L V6 (L27 - naturally aspirated, SC - supercharged on some later models, though less common in this specific Regal generation).

Engine Details 2.8L V6

Displacement 2.8L:

2.8 Liters (173 cubic inches)

Horsepower 2.8L:

Approx. 125-135 hp (depending on specific application and year)

Torque 2.8L:

Approx. 150-155 lb-ft (depending on specific application and year)

Engine Details 3.1L V6

Displacement 3.1L:

3.1 Liters (189 cubic inches)

Horsepower 3.1L:

Approx. 135-140 hp (depending on specific application and year)

Torque 3.1L:

Approx. 170-175 lb-ft (depending on specific application and year)

Engine Details 3.8L V6

Displacement 3.8L:

3.8 Liters (231 cubic inches)

Horsepower 3.8L:

Approx. 170 hp (Naturally Aspirated)

Torque 3.8L:

Approx. 220 lb-ft (Naturally Aspirated)

Fuel System

Fuel Delivery:

Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded Gasoline (Regular Octane)

🔧 Transmission

Standard Transmission

Automatic Transmission Models:

3-speed THM-200-4R (early), 4-speed 440-T4 (4T60), 4-speed 4T60-E (electronically controlled)

Optional Transmission

Manual Transmission Availability:

Rare or not generally offered on Regal models of this generation, primarily automatic.

Features

Transmission Control Early:

Hydraulic control (THM-200-4R)

Transmission Control Later:

Electronic control (4T60-E) with powertrain control module (PCM) integration.

📐 Dimensions

Exterior Dimensions

Body Styles:

Coupe (2-door), Sedan (4-door)

Wheelbase Approx:

107.5 inches (2731 mm)

Length Approx Coupe:

191.1 inches (4854 mm)

Length Approx Sedan:

191.9 inches (4874 mm)

Weights

Curb Weight Range:

Approx. 3200-3600 lbs (1450-1630 kg) depending on engine and trim

🛡️ Safety Features

Ratings

NHTSA Ratings General:

Varies by year and test type; consult specific year for detailed ratings.

Active Features

Anti-Lock Brakes ABS:

Available on many models, particularly higher trims.

Passive Features

Airbags:

Driver's side airbag standard on most models from mid-generation onwards. Passenger airbag optional or standard on later models.

Seat Belts:

Front and rear seat belts, shoulder belts with retractors.

Structural Reinforcement:

Designed with energy-absorbing crumple zones and reinforced passenger compartments.

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM stereo with cassette player, optional CD player, and speaker systems. Aftermarket upgrades are common.

Driver Assistance

Cruise Control:

Standard on many higher trims, electronically controlled.

Connectivity

Keyless Entry:

Optional on some models, often a dealer-installed or aftermarket accessory.

Diagnostics

Onboard Diagnostics:

OBD-I (On-Board Diagnostics, First Generation) system. Diagnostic trouble codes (DTCs) can be retrieved via a specific procedure or scan tool.

🔧 Maintenance

Service Intervals Oil

Oil Change Interval:

Typically 3,000 - 5,000 miles or 3-6 months, depending on driving conditions and oil type used (refer to manual for exact intervals).

Service Intervals Filters

Oil Filter Replacement:

Replace with oil change.

Air Filter Replacement:

Inspect every 15,000 miles, replace as needed or every 30,000 miles (refer to manual).

Fuel Filter Replacement:

Typically every 30,000 - 50,000 miles, depending on fuel quality and engine type (refer to manual).

Fluid Specifications Engine Oil

Engine Oil Viscosity:

Commonly 5W-30 or 10W-30 (refer to manual for specific engine and temperature range).

Engine Oil Capacity:

Approx. 4.5 quarts (4.3 liters) for V6 engines with filter change (refer to manual for exact capacity).

Fluid Specifications Coolant

Coolant Type:

Ethylene Glycol based coolant, typically a 50/50 mix with distilled water. Consult manual for specific GM specification (e.g., Type I or Type II).

Fluid Specifications Transmission

Automatic Transmission Fluid Type:

Dexron II or Dexron III compatible ATF (Automatic Transmission Fluid). Check manual for specific fluid requirements.

Fluid Specifications Brakes

Brake Fluid Type:

DOT 3 brake fluid.

Fluid Specifications Power Steering

Power Steering Fluid Type:

GM Power Steering Fluid or Dexron compatible ATF (check manual).

Known Issues

Common Engine Issues:

Intake manifold gasket leaks (especially on 3.1L), timing chain wear (on some V6s), oil leaks, spark plug blow-out (on some older designs).

Common Transmission Issues:

Transmission fluid leaks, solenoid failures in electronically controlled units (4T60-E), torque converter shudder.

Common Electrical Issues:

Faulty window motors, power lock actuators, dashboard warning lights, sensor failures (e.g., MAF, TPS, O2 sensors).

Common Suspension Steering Issues:

Worn ball joints and tie rod ends, sagging springs, power steering pump whine or leaks.

Common Cooling System Issues:

Leaking coolant hoses, failed water pump, thermostat sticking.

📚 Vehicle History

Brand Heritage

Buick Legacy:

Buick, an American automotive division of General Motors, known for its comfort, quiet ride, and premium features.

Model Evolution

Regal Positioning:

Positioned as a mid-size personal luxury coupe and sedan, offering a blend of performance and comfort.

W Body Platform:

The W-body platform was GM's front-wheel-drive platform for mid-size cars, shared with models like the Chevrolet Lumina, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix.

Production

Production Sites:

Primarily manufactured at General Motors assembly plants in North America (e.g., Oshawa, Ontario, Canada; Lansing, Michigan, USA).

🏆 Awards & Recognition

Recognitions

Historical Awards:

The Regal has historically been recognized for its comfort and styling, often appearing on 'best of' lists for personal luxury vehicles of its era. Specific awards for the 1988-1994 generation vary.