1991 Oldsmobile Cutlass Supreme Service & Repair Manual Software

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🏷️ Basic Information Identification Make: Oldsmobile Model: Cutlass Supreme Year: 1991 Codes Platform Code: GM W-body Generation Generation: Fourth Generation (1990-1996) 👋 Introduction Market Position Market Position: The 1991 Oldsmobile Cutlass Supreme was positioned as a mid-size personal luxury coupe and sedan, offering a comfortable ride and stylish appearance within the General Motors lineup. This manual software targets owners and independent repair shops seeking a convenient and comprehensive resource for maintaining and repairing this specific model. Competitive Analysis Competitive Analysis: Competed with vehicles like the Ford Taurus, Chevrolet Lumina, and Chrysler LeBaron Coupe. The availability of official, licensed repair software for this model provides a significant advantage over generic repair guides or out-of-print physical manuals, offering accurate and up-to-date factory specifications. Key Features Key Features: Licensed OE (Original Equipment) information, instant online access, multi-device compatibility, year-long access with renewal options, detailed diagrams and illustrations, diagnostic procedures, maintenance schedules. Designed for ease of use by DIY enthusiasts. 📋 Manual Details Coverage Areas Coverage Areas: Engine, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Body & Chassis, Diagnostic Procedures, Maintenance Schedules, Wiring Diagrams, Technical Specifications, Troubleshooting Guides Page Count Page Count: Digital Access (estimated 1000+ pages equivalent) Manual Type Manual Type: Service and Repair Manual Software Language Language: English Format Format: Online/Digital Access (PC, Laptop, Smartphone, Tablet compatible) 📖 Manual Coverage Systems Covered Systems Covered: Engine mechanicals (3.1L V6, 3.4L V6), Engine control systems (ECM), Fuel system, Ignition system, Exhaust system, Cooling system, Lubrication system, Transmission (4-speed automatic), Power steering, Suspension components (front struts, rear shocks, control arms), Brake system (front disc, rear drum), ABS (if equipped), Electrical system (charging, starting, lighting, accessories), Body control modules, HVAC system, Diagnostic trouble codes (DTCs), Wiring diagrams for all major systems. Procedures Included Procedures Included: Routine maintenance (oil changes, filter replacements, fluid checks), Engine tune-ups, Fuel...

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Type: Car

Verkoper:

Sku: 195952

Collecties: ALL Oldsmobile

Beschikbaarheid: 9999 Op voorraad

Labels: 1991 Car Cars Cutlass Models Cutlass Supreme Oldsmobile

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Description

🏷️ Basic Information

Identification

Make:

Oldsmobile

Model:

Cutlass Supreme

Year:

Codes

Platform Code:

GM W-body

Generation

Generation:

Fourth Generation (1990-1996)

👋 Introduction

Market Position

Market Position:

The 1991 Oldsmobile Cutlass Supreme was positioned as a mid-size personal luxury coupe and sedan, offering a comfortable ride and stylish appearance within the General Motors lineup. This manual software targets owners and independent repair shops seeking a convenient and comprehensive resource for maintaining and repairing this specific model.

Competitive Analysis

Competitive Analysis:

Competed with vehicles like the Ford Taurus, Chevrolet Lumina, and Chrysler LeBaron Coupe. The availability of official, licensed repair software for this model provides a significant advantage over generic repair guides or out-of-print physical manuals, offering accurate and up-to-date factory specifications.

Key Features

Key Features:

Licensed OE (Original Equipment) information, instant online access, multi-device compatibility, year-long access with renewal options, detailed diagrams and illustrations, diagnostic procedures, maintenance schedules. Designed for ease of use by DIY enthusiasts.

📋 Manual Details

Coverage Areas

Coverage Areas:

Engine, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Body & Chassis, Diagnostic Procedures, Maintenance Schedules, Wiring Diagrams, Technical Specifications, Troubleshooting Guides

Page Count

Page Count:

Digital Access (estimated 1000+ pages equivalent)

Manual Type

Manual Type:

Service and Repair Manual Software

Language

Language:

English

Format

Format:

Online/Digital Access (PC, Laptop, Smartphone, Tablet compatible)

📖 Manual Coverage

Systems Covered

Systems Covered:

Engine mechanicals (3.1L V6, 3.4L V6), Engine control systems (ECM), Fuel system, Ignition system, Exhaust system, Cooling system, Lubrication system, Transmission (4-speed automatic), Power steering, Suspension components (front struts, rear shocks, control arms), Brake system (front disc, rear drum), ABS (if equipped), Electrical system (charging, starting, lighting, accessories), Body control modules, HVAC system, Diagnostic trouble codes (DTCs), Wiring diagrams for all major systems.

Procedures Included

Procedures Included:

Routine maintenance (oil changes, filter replacements, fluid checks), Engine tune-ups, Fuel system diagnosis and repair, Ignition system testing, Cooling system maintenance and repair, Brake system servicing (pad replacement, caliper overhaul), Suspension component replacement, Steering system service, Electrical troubleshooting, HVAC system diagnosis, Drivetrain component inspection and repair, Bodywork repair procedures, Diagnostic procedures for common and intermittent faults, Overhaul procedures for major components.

Technical Depth

Technical Depth:

Comprehensive, factory-derived information suitable for DIY enthusiasts and professional technicians. Covers from basic fluid checks to in-depth engine and transmission overhauls, including detailed diagnostic flowcharts and specifications.

📊 Manual Specifications

File Format

File Format:

Proprietary online platform accessed via web browser

Print Quality

Print Quality:

N/A (Digital)

Binding Type

Binding Type:

N/A (Digital)

Paper Type

Paper Type:

N/A (Digital)

⚙️ Engine Specifications

Primary Engine

Primary Engine:

3.1L (189 ci) V6 (RPO LHO)

Secondary Engine

Secondary Engine:

3.4L (204 ci) V6 (RPO LQ1 - Performance variant, less common for '91 Cutlass Supreme, more prevalent in other W-body vehicles)

Performance

Horsepower 3.1L:

140 hp @ 4800 rpm

Torque 3.1L:

180 lb-ft @ 3200 rpm

Fuel System

Fuel System:

Multi-port Fuel Injection (MPFI)

Engine Layout

Engine Layout:

Front-wheel drive, transversely mounted V6 engine

Compression Ratio 3.1L

Compression Ratio 3.1L:

8.5:1

Bore X Stroke 3.1L

Bore X Stroke 3.1L:

3.50 in x 3.27 in

Ignition System

Ignition System:

Distributorless Ignition System (DIS) with coil packs

🔧 Transmission

Standard

Transmission Standard:

4-speed automatic (THM-440-T4 / 4T60-E)

Optional

Transmission Optional:

None offered for 1991 Cutlass Supreme

Features

Transmission Features:

Electronically controlled, overdrive, torque converter lock-up

Fluid Type

Transmission Fluid Type:

Dexron III (or equivalent)

📐 Dimensions

Exterior

Wheelbase:

107.5 inches

Overall Length:

198.9 inches

Overall Width:

70.1 inches

Overall Height:

53.5 inches (Coupe) / 54.5 inches (Sedan)

Weights

Curb Weight:

Approx. 3,300 - 3,450 lbs

Gross Vehicle Weight Rating Gvw:

Approx. 4,400 lbs

Interior

Front Headroom:

38.6 inches

Rear Headroom:

36.9 inches

Front Legroom:

42.4 inches

Rear Legroom:

35.1 inches

🛡️ Safety Features

Ratings

NHTSA Frontal Driver Rating 1991:

Not rated or unavailable for this model year in standard format.

Active Features

Active Features:

Anti-lock Braking System (ABS) - Optional, Front disc brakes, Rear drum brakes, Power-assisted steering.

Passive Features

Passive Features:

3-point front seat belts, Lap belts for rear occupants, Energy-absorbing steering column, Side guard door beams, Padded interior surfaces.

💡 Technology Features

Infotainment

Infotainment System:

AM/FM stereo with cassette player, optional CD player, manual or power antenna, speaker configurations vary by trim level.

Driver Assistance

Driver Assistance Features:

Cruise control (standard or optional depending on trim), intermittent wipers.

Connectivity

Connectivity:

Basic analog systems, no modern Bluetooth or USB connectivity.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000 miles or 3 months (typical for the era, consult manual for specific oil type recommendations)

Engine Coolant Flush:

Every 30,000 miles or 2 years

Automatic Transmission Service:

Every 30,000 miles or 2 years (fluid and filter change)

Spark Plug Replacement:

30,000 - 60,000 miles (depending on plug type, consult manual)

Fluid Specifications

Engine Oil Specification:

API Service SG, SF, or CD, SAE 5W-30 or 10W-30 (refer to manual for precise temperature range recommendations)

Engine Coolant Specification:

GM specified Type II Coolant (Orange or Pink) or equivalent Ethylene Glycol coolant with a 50/50 mix with distilled water.

Power Steering Fluid:

Dexron II or III Automatic Transmission Fluid

Brake Fluid Specification:

DOT 3 (High-Temperature Brake Fluid)

Known Issues

Known Issues General:

Premature wear of intake manifold gaskets (3.1L V6), EGR valve issues, heater core leaks, electronic control module (ECM) failures, occasional power window regulator problems, suspension component wear (struts, bushings).

Common Repairs

Common Repairs:

Replacement of intake manifold gaskets, fuel injectors, spark plug wires, water pump, alternator, brake pads and rotors, suspension bushings, and CV axles.

📚 Vehicle History

Brand Heritage

Brand Heritage:

Oldsmobile, established in 1897, was one of America's oldest automobile brands, known for innovation and a wide range of vehicles from compacts to luxury sedans. It was a division of General Motors until its discontinuation in 2004.

Model Evolution

Model Evolution:

The Cutlass Supreme lineage dates back to the 1970s. The 1991 model represents the fourth generation of the Cutlass Supreme, built on GM's W-body platform, which also underpinned models like the Chevrolet Lumina and Buick Regal. This generation marked a shift to front-wheel drive and a more aerodynamic styling.

Production

Production Location:

General Motors assembly plants in North America (e.g., Lansing, Michigan; Doraville, Georgia).

🏆 Awards & Recognition

Recognitions

Recognitions:

While specific awards for the 1991 Cutlass Supreme are not widely publicized, the W-body platform was generally well-received for its ride quality and styling during its introduction. Oldsmobile as a brand received various accolades for engineering and design throughout its history.