Targeted at DIY enthusiasts and independent repair shops seeking accurate, factory-derived service information for the 1998 Oldsmobile Cutlass.
Competitive Analysis
Competitive Analysis:
Offers superior convenience and accessibility compared to outdated printed manuals. Licensed OE data ensures accuracy and completeness, surpassing generic online forums or unverified sources.
Key Features
Key Features:
Officially licensed, factory-derived data, instant online access, comprehensive coverage, user-friendly interface, compatibility across devices, cost-effective compared to professional repair.
Extensive (Digital format, equivalent to a comprehensive printed manual)
Manual Type:
Service and Repair Manual Software
Language:
English
Format:
Online Software (Web Browser Accessible)
Access Duration:
1 Year (with options for renewal discounts)
📖 Manual Coverage
Systems
Systems Covered:
Engine Mechanical, Engine Control System (ECM/PCM), Fuel Injection System, Ignition System, Cooling System, Lubrication System, Intake and Exhaust Systems, Automatic Transmission, Front Wheel Drive Axles, Suspension System (Front & Rear), Steering System, Brake System (Front & Rear Disc/Drum), Anti-lock Braking System (ABS), Power Steering System, Electrical System (Wiring Diagrams, Fuses, Relays, Lighting, Instrumentation, Power Accessories), Heating, Ventilation, and Air Conditioning (HVAC), Body Control Modules, Security Systems, Audio Systems, Exterior Body Panels, Interior Trim, Safety Restraints (Airbags), Diagnostic Trouble Codes (DTCs)
Procedures
Procedures Included:
Scheduled maintenance (oil changes, filter replacements, tune-ups), Brake pad and rotor replacement, Suspension component replacement (shocks, struts, ball joints, control arms), Steering component replacement (tie rods, power steering pump), Engine diagnostics and repair, Transmission fluid and filter service, Engine overhaul procedures, Cooling system flush and component replacement, Fuel system cleaning and component replacement, Ignition system troubleshooting and component replacement, Electrical troubleshooting using wiring diagrams, HVAC system diagnosis and repair, Body panel repair and replacement, Suspension alignment procedures, Wheel bearing replacement, Exhaust system repair, Emissions control system diagnostics, Airbag system safety precautions and procedures, Tire and wheel service
Depth
Technical Depth:
Comprehensive, from basic preventative maintenance to advanced diagnostics and major component overhauls. Includes detailed step-by-step repair instructions, torque specifications, wiring diagrams, and diagnostic flowcharts.
Diagnostics
Diagnostic Procedures:
Detailed procedures for diagnosing engine performance issues, transmission problems, electrical faults, brake system concerns, and HVAC malfunctions. Includes troubleshooting flowcharts and symptom-based diagnostics.
Component Replacement
Component Replacement Details:
Step-by-step instructions for replacing all major and minor components, including engine mounts, exhaust manifolds, radiators, alternators, starters, fuel pumps, sensors, body control modules, and interior trim pieces.
Torque Specs
Torque Specifications Included:
Yes, all critical torque specifications for engine, transmission, suspension, brakes, and chassis components are provided.
📊 Manual Specifications
File Format
File Format:
Proprietary Online Software (Accessed via Web Browser)
Print Quality
Print Quality:
N/A (Digital format)
Binding Type
Binding Type:
N/A (Digital format)
Paper Type
Paper Type:
N/A (Digital format)
Software Compatibility
Software Compatibility:
Compatible with PC, Laptop, Smartphone, Tablet via standard web browser and internet connection
Software Features
Searchable Text:
Yes, the digital format allows for quick searching of keywords and phrases.
Printable Pages:
Yes, users can print specific sections or pages as needed.
⚙️ Engine Specifications
Primary Engine
Primary Engine:
3.1L V6 (VIN T, RPO L82)
Engine Options
Engine Options:
Optional: 3.4L V6 (VIN X, RPO LQ1)
Performance 3.1L
Horsepower 3.1L:
155 hp @ 4800 rpm
Torque 3.1L:
185 lb-ft @ 3200 rpm
Performance 3.4L
Horsepower 3.4L:
170 hp @ 4800 rpm
Torque 3.4L:
205 lb-ft @ 3600 rpm
Fuel System
Fuel System:
Multi-Port Fuel Injection (MPFI)
Ignition System
Ignition System:
Distributorless Ignition System (DIS)
Cooling System
Cooling System Type:
Pressurized, liquid-cooled
Engine Codes
Engine Code 3.1L:
VIN T, RPO L82
Engine Code 3.4L:
VIN X, RPO LQ1
🔧 Transmission
Standard
Standard Transmission:
4-Speed Automatic (4T60-E)
Features
Transmission Features:
Electronic control, lock-up torque converter
📐 Dimensions
Exterior
Wheelbase:
107.5 inches (2730 mm)
Overall Length:
192.9 inches (4899 mm)
Overall Width:
70.7 inches (1796 mm)
Overall Height:
54.6 inches (1387 mm)
Weights
Curb Weight:
Approximately 3100-3300 lbs (1406-1497 kg) depending on trim and options
🛡️ Safety Features
Ratings
NHTSA Front Impact Driver:
4 out of 5 stars (1998 model year general rating)
NHTSA Front Impact Passenger:
4 out of 5 stars (1998 model year general rating)
Active Features
Active Features:
Front ventilated disc brakes, Rear drum brakes, Optional Anti-lock Braking System (ABS), Power-assisted steering
Passive Features
Passive Features:
Driver and front passenger airbags, Seat belts with pretensioners, Side-impact door beams, Collapsible steering column
💡 Technology Features
Infotainment
Infotainment Features:
Factory-installed AM/FM stereo with cassette player or CD player, Optional premium sound systems, Manual or power antenna.
Driver Assistance
Driver Assistance Features:
Cruise control (standard on most trims), Optional ABS.
Connectivity
Connectivity Features:
N/A (No factory-integrated Bluetooth or USB connectivity)
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000-5,000 miles or 3-6 months, depending on driving conditions and oil type used. Consult manual for specific recommendations.
Engine Air Filter Replacement:
Every 15,000-30,000 miles or as needed based on inspection.
Spark Plug Replacement:
Typically every 60,000-100,000 miles for modern spark plugs (check manual for specific type and interval).
Transmission Fluid Change:
Every 30,000-50,000 miles or as recommended in the manual, especially if towing or operating under severe conditions.
Fluid Specifications
Engine Oil Specification:
API Service SG or SH, SAE 5W-30 or 10W-30 (refer to owner's manual for exact viscosity based on ambient temperature).
Coolant Specification:
GM Dex-Cool (Orange) or equivalent extended-life coolant, mixed 50/50 with distilled water.
Transmission Fluid Specification:
Dexron III (or Dexron VI equivalent)
Brake Fluid Specification:
DOT 3
Known Issues
Known Issues:
Intake manifold gasket leaks (common on 3.1L), Head gasket failures (less common but possible), Power steering leaks, A/C system refrigerant leaks (HFC-134a), Dashboard instrument cluster failure, Door lock actuator failure, Window regulator issues.
Fluid Capacities
Engine Oil Capacity 3.1L:
4.5 US quarts (4.3 L) with filter change
Engine Oil Capacity 3.4L:
4.5 US quarts (4.3 L) with filter change
Coolant Capacity:
Approximately 10.5 US quarts (9.9 L)
Transmission Fluid Capacity:
Approximately 4.5 US quarts (4.3 L) for fluid change only
📚 Vehicle History
Brand Heritage
Brand Heritage:
Oldsmobile, a division of General Motors, was one of America's oldest automotive brands, known for innovation and reliability. The Cutlass nameplate has a long and successful history within the brand.
Model Evolution
Model Evolution:
The 1998 Cutlass was part of the seventh generation of the Cutlass Ciera/Cutlass line. This generation, introduced in 1997, featured a more modern styling and shared its platform with other GM W-body vehicles.
Production
Production Period:
1982-1996 (Cutlass Ciera), 1997-1999 (Cutlass)
Production Location
Production Location:
General Motors Assembly Plants (e.g., Lansing, Michigan; Oklahoma City, Oklahoma)
🏆 Awards & Recognition
Recognitions
Recognitions:
The Cutlass nameplate has historically been a strong seller in the mid-size segment, representing a significant portion of Oldsmobile's sales volume during its production years.
Ratings
Ratings:
Consumer satisfaction ratings varied during its production life, with specific models and powertrains receiving different feedback. The 1998 model was generally considered a competent and comfortable mid-size sedan.
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