Target Audience:
DIY car owners seeking to perform maintenance and repairs, independent repair shops, mechanics.
Value Proposition:
Offers significant cost savings by enabling users to perform their own repairs, with comprehensive, easy-to-follow guidance.
Ease Of Use:
Step-by-step instructions and clear illustrations make complex procedures accessible.
Accessibility:
Instant download and multi-device compatibility ensure immediate access and usability.
Permanence:
Downloadable format provides permanent ownership and access.
Powertrain:
Engine, Fuel System, Exhaust System, Transmission (Automatic), Drivetrain (Front-Wheel Drive)
Chassis:
Suspension (Front and Rear), Steering System, Brakes (ABS, Traction Control), Wheels and Tires
Body:
Exterior Body Panels, Interior Trim, Doors, Windows, Seats, HVAC System, Exterior Lighting
Electrical:
Battery, Charging System, Starting System, Ignition System, Lighting System, Instrumentation, Power Accessories, Audio System, Climate Control Electronics, Body Control Modules (BCM), Powertrain Control Modules (PCM), Antitheft Systems
Routine Maintenance:
Oil Changes, Filter Replacements, Fluid Level Checks and Top-offs, Tire Rotation, Wiper Blade Replacement
Engine Repair:
Engine Overhaul, Cylinder Head Removal/Installation, Piston/Ring Replacement, Crankshaft/Bearing Service, Timing System Service (Belt/Chain), Valve Train Service
Transmission Service:
Automatic Transmission Fluid (ATF) Change, Filter Replacement, Transmission Removal/Installation, Internal Component Service (as applicable)
Brake System Service:
Brake Pad Replacement, Rotor Resurfacing/Replacement, Brake Caliper Service, Brake Line/Hose Replacement, Bleeding the Brake System, ABS Component Diagnosis and Replacement
Electrical System Diagnosis:
Wiring Diagrams, Component Testing, Troubleshooting Fault Codes, Sensor Diagnosis and Replacement, Module Programming/Configuration (where applicable)
Suspension And Steering:
Strut/Shock Absorber Replacement, Control Arm Bushing Replacement, Ball Joint Replacement, Tie Rod End Replacement, Power Steering System Service
Diagnostic Capabilities:
Troubleshooting guides, diagnostic procedures, fault code interpretation, component testing specifications
Repair Complexity:
Covers basic maintenance to complex mechanical and electrical repairs, including component overhauls and replacements.
Information Detail:
Step-by-step instructions with accompanying diagrams and photographs for clarity.
Digital Format:
PDF (Portable Document Format)
Printability:
High quality, allowing for printing of individual pages, chapters, or the entire manual.
Physical Binding:
N/A (Downloadable)
Physical Paper:
N/A (Downloadable)
Required Software:
Adobe Reader (or compatible PDF viewer)
Compatible Devices:
All PC & MAC Computers, Tablets, Smartphones
Engine Type:
3.8L V6 (L36 Supercharged and L32 Naturally Aspirated variations, depending on trim and year)
Horsepower Range:
Typically 205-240 hp (varies by specific engine variant and year)
Torque Range:
Typically 230-285 lb-ft (varies by specific engine variant and year)
Fuel Delivery:
Sequential Fuel Injection (SFI)
Coolant Type:
Dex-Cool (Orange, Long-life coolant) – GM P/N 12346290 or equivalent
Engine Oil Viscosity:
SAE 5W-30 (Synthetic recommended for improved performance and longevity)
Engine Oil Capacity:
Approximately 4.5 quarts (4.3 L) with filter change (check owner's manual for exact capacity)
Spark Plugs:
ACDelco Professional Iridium or Platinum series (e.g., 41-983 or 41-985) – Gap to be specified in manual.
Transmission Type:
4-Speed Automatic (4T80-E)
Optional Transmission:
N/A (The 4T80-E was the standard and only transmission offered for these model years.)
Drive Type:
Front-Wheel Drive (FWD)
Transmission Fluid Type:
Dexron III/VI ATF (GM P/N 12378110 or equivalent)
Transmission Fluid Capacity:
Approximately 10.5 quarts (9.9 L) for a dry fill. (Check manual for capacity with filter change.)
Wheelbase:
Approximately 110.5 inches (2807 mm)
Overall Length:
Approximately 200.0 inches (5080 mm)
Overall Width:
Approximately 73.7 inches (1872 mm)
Overall Height:
Approximately 55.7 inches (1415 mm)
Curb Weight Range:
Approximately 3700-3900 lbs (1678-1769 kg) depending on trim and options.
Gross Vehicle Weight Rating Gvwr:
Typically around 4800 lbs (2177 kg) - consult specific model year for exact rating.
Trunk Volume:
Approximately 16.7 cubic feet (473 L)
NHTSA Front Impact Driver:
Good (for models tested)
NHTSA Front Impact Passenger:
Good (for models tested)
NHTSA Side Impact Driver:
Acceptable to Good (for models tested, varies by year and specific equipment)
NHTSA Side Impact Rear Passenger:
Acceptable to Good (for models tested, varies by year and specific equipment)
Traction Control System:
Standard on most models (StabiliTrak on later models/higher trims)
Antilock Braking System ABS:
Standard
Airbags:
Frontal airbags for driver and front passenger, optional side-impact airbags.
Seat Belts:
Three-point seat belts with pretensioners and load limiters for all occupants.
Audio System:
Premium Bose sound systems often available, with AM/FM stereo, CD player, and cassette tape deck.
Climate Control:
Dual-zone automatic climate control with front and rear outlets.
Cruise Control:
Standard electronic cruise control.
Parking Assist:
Optional ultrasonic rear parking assist systems were available on some models.
Onstar System:
OnStar in-vehicle safety and information system was an optional feature and subscription service during this period.
Oil And Filter Change:
Every 5,000-7,500 miles or 6-12 months, whichever comes first (or based on oil life monitoring system).
Transmission Fluid Change:
Recommended every 50,000-100,000 miles or as indicated by service history/manual recommendations.
Coolant Flush And Replacement:
Every 5 years or 100,000 miles for Dex-Cool coolant.
Spark Plug Replacement:
Typically at 100,000 miles with Iridium or Platinum plugs.
Brake Fluid Type:
DOT 3 (GM P/N 12377984 or equivalent)
Power Steering Fluid:
GM Power Steering Fluid P/N 12377984 or equivalent Dexron III/VI ATF (check manual for specific recommendation).
Windshield Washer Fluid:
Standard automotive washer fluid, ideally with de-icer properties.
Common Problems:
Early models (pre-1999) sometimes experienced issues with the Northstar engine's head gaskets and coolant leaks. Other potential issues can include suspension component wear, electrical gremlins (especially related to climate control and body modules), and transmission solenoid issues if not properly maintained.
Maintenance Tips:
Regularly inspect coolant hoses for swelling or leaks, change transmission fluid at recommended intervals, and keep electrical connections clean and dry.
Cadillac Heritage:
Cadillac, established in 1902, is a luxury automotive division of General Motors known for pioneering automotive technologies and luxurious amenities.
Seville Lineage:
The Seville was Cadillac's entry into the personal luxury car segment, positioned below the larger Fleetwood. The 1998-2003 models represent the fifth generation (RWD platform shared with Oldsmobile Aurora and Buick Riviera) and subsequent refinements, marked by a more European-inspired design and driving dynamics.
Styling Direction:
This generation moved away from traditional American luxury styling towards a sleeker, more aerodynamic design, influenced by global market trends.
Manufacturing Location:
Hamtramck, Michigan, USA
Production Years For Generation:
1998-2004 (This manual covers the majority of this generation).
Automotive Journal Awards:
While specific awards for these exact years might vary, the Seville was generally well-received for its comfortable ride, luxurious interior, and advanced technology for its time, contributing to Cadillac's reputation in the luxury segment.
Consumer Reports Historical Ratings:
Consumer Reports ratings varied by year and specific model, with some praise for comfort and performance but occasional critiques regarding reliability in certain areas.
