🏷️ Basic Information

Make:

Cadillac

Model:

Seville

Year Range:

1998-2004

Platform Codes:

K-Body

👋 Introduction

Market Position:

Premium Luxury Sedan

Competitive Analysis:

Competed with other luxury sedans of its era, offering advanced technology and comfort features. The manual provides the same level of detail as competing luxury brands' official service documentation.

Key Features:

Vehicle-specific, step-by-step instructions, diagrams, illustrations, wiring schematics, comprehensive repair coverage, printable format for workshop use.

📋 Manual Details

Coverage Areas:

All Models and All Repairs A-Z

Engine Variants Covered:

4.6L Northstar V8 (L37 and LD8)

Trim Levels Covered:

All Seville trim levels (e.g., Luxury, SLS, STS)

Page Count:

Not Specified (Comprehensive, Electronic Format)

Manual Type:

Factory Service and Repair Manual

Language:

English

Format:

PDF

Digital Compatibility:

Windows Vista 32/64, XP, ME, 98, NT, 2000, and Mac compatible.

Software Requirements:

Adobe PDF Reader, Winzip (free online).

📖 Manual Coverage

Systems Covered:

Engine, Control System, Mechanical, Fuel Service, Emission Control, Intake/Exhaust, Cooling, Lube, Ignition, Starting, Charging, Automatic Transmission, Clutch, Manual Transmission, Transfer/Propeller Shaft, Drive Shaft, Differential, Axle, Suspension, Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering, Air Conditioning, Supplemental Restraint System (SRS), Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter/Audio/Visual, Horn, Windshield/Glass/Mirror, Instrument Panel, Seat, Engine Hood/Door, Exterior & Interior, Electrical, Multiplex/CAN Communication, and more.

Diagnostic Procedures:

Detailed diagnostic flowcharts and procedures for all major systems, including OBD-II diagnostics.

Electrical Schematics:

Detailed, multi-page wiring diagrams for all electrical circuits.

Procedures Included:

Maintenance, Diagnostics, Repair, Troubleshooting, Component Installation, System Adjustment, Electrical Schematics Interpretation, Torque Specifications, Fluid Recommendations, Component Specifications.

Engine Rebuild Procedures:

Complete engine disassembly, inspection, repair, and reassembly procedures for both Northstar engine variants.

Body Repair:

Procedures for body panel replacement, alignment, and interior trim repair.

Technical Depth:

Vehicle-Specific, Dealership Technician Level, Complete A-Z Repair.

Torque Specs:

Comprehensive list of all torque specifications for fasteners throughout the vehicle.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-Resolution, Printable, Scalable Images

Binding Type:

N/A (Electronic PDF)

Paper Type:

N/A (Printable on User's Choice of Paper)

⚙️ Engine Specifications

Primary Engine 1:

Northstar L37 V8

Engine Displacement 1:

4.6 Liters (280 cu in)

Engine Type 1:

DOHC, 32-Valve V8

Horsepower 1:

Approx. 275 hp (varies slightly by year)

Torque 1:

Approx. 300 lb-ft (varies slightly by year)

Engine Code 1:

L37 (for higher output)

Optional Engine 1:

LD8 V8 (Lower Output Northstar)

Engine Displacement Optional 1:

4.6 Liters (280 cu in)

Horsepower Optional 1:

Approx. 270 hp

Torque Optional 1:

Approx. 295 lb-ft

Engine Code Optional 1:

LD8 (for lower output)

Fuel System:

Sequential Port Fuel Injection (SFI)

0 60 Mph Estimate:

Approx. 7-8 seconds (varies by model/driver)

🔧 Transmission

Transmission Standard Type:

4-Speed Automatic (4T80-E)

Transmission Optional Type:

N/A (All models used automatic)

Transmission Features:

Driver Shift Control (DSC), electronically controlled.

📐 Dimensions

Wheelbase:

Approx. 110.5 inches

Length:

Approx. 201.0 inches

Width:

Approx. 75.1 inches

Height:

Approx. 56.4 inches

Curb Weight:

Approx. 3,900 - 4,100 lbs (varies by model/options)

🛡️ Safety Features

NHTSA Front Impact Driver:

4-Star (1998-2002 models)

NHTSA Front Impact Passenger:

4-Star (1998-2002 models)

IIHS Side Impact:

Acceptable (for models tested)

Active Features:

Anti-lock Braking System (ABS), Traction Control System (TCS), StabiliTrak (optional on some models).

Passive Features:

Driver and front passenger airbags, side-impact airbags (optional on some models), front seat belt pretensioners.

💡 Technology Features

Infotainment Features:

CD player, AM/FM stereo, cassette player (early models), optional Bose premium audio system, OnStar telematics system (available).

Driver Assistance Features:

StabiliTrak (optional), Twilight Sentinel headlamp system, programmable garage door opener.

Connectivity Features:

OnStar system provided emergency services, remote diagnostics, and navigation assistance.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 12 months (with synthetic oil), or as indicated by Oil Life Monitoring System.

Tire Rotation Interval:

Every 7,500 miles

Coolant Flush Interval:

Every 5 years or 100,000 miles (initial fill), then every 2 years or 30,000 miles thereafter.

Engine Oil Specification:

SAE 4W-30 Synthetic (API Service SG or SH, or GF-1 or GF-2)

Transmission Fluid Specification:

Dexron III H Automatic Transmission Fluid (ATF)

Coolant Specification:

GM P/N 1052872 or 1052873 (Orange, Long-Life)

Brake Fluid Specification:

DOT 3

Power Steering Fluid Specification:

GM P/N 1050017 (or equivalent Dexron II/III)

Known Issues Engine:

Northstar engine can be prone to head gasket issues if overheated, coolant leaks (especially water pump and thermostat housing), oil leaks.

Known Issues Suspension:

Leaking struts/shocks, worn bushings, power steering system leaks.

Known Issues Electrical:

Integrated Diagnostic System (<bos>) codes requiring specialized knowledge, SRS system warnings, power window regulators, CUE system issues (later models).

📚 Vehicle History

Brand Heritage:

Cadillac, the luxury division of General Motors, has a long history of producing premium vehicles known for comfort, style, and advanced features.

Model Evolution:

The Seville represented Cadillac's entry into the smaller, sportier luxury sedan market segment. The 1998-2004 generation (9th generation) featured the sophisticated Northstar V8 engine and was based on the front-wheel-drive K-body platform.

Generation Designation:

9th Generation

Production Locations:

Hamtramck, Michigan, USA