🏷️ Basic Information

Make:

Cadillac

Model:

Seville

Trim:

STS

Year:

2002

Platform:

G

👋 Introduction

Positioning:

The 2002 Cadillac Seville STS represented the pinnacle of Cadillac's luxury sedan offerings for that era, blending performance, comfort, and advanced technology.

Competitors:

Competed directly with other luxury sedans such as the Mercedes-Benz E-Class, BMW 5 Series, Audi A6, and Lexus GS.

Vehicle Highlights:

The STS (Sport Touring Sedan) variant emphasized performance with a more powerful engine, sport-tuned suspension, and premium interior appointments. Notable features included Magnetic Ride Control (MGC) on some models, a refined interior, and a suite of electronic features.

Value For Buyers:

This manual provides the exact same detailed, vehicle-specific information used by dealership technicians, empowering owners to perform maintenance, diagnostics, and repairs themselves, saving time and money. It ensures accurate and efficient repair processes.

Digital Convenience:

Offers the convenience of a searchable PDF format, allowing users to print specific pages as needed and avoid the wear and tear associated with physical manuals.

📋 Manual Details

Vehicle Coverage:

All 2002 Cadillac Seville STS models, including all trim levels and engine configurations.

Estimated Pages:

Varies by specific model year and engine; typically 1500-3000+ pages for comprehensive dealer-level manuals.

Type:

Factory Service and Repair Manual

Language:

English

Format:

PDF (Printable)

Operating Systems:

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

Software Requirements:

Adobe PDF Reader, Winzip (or similar decompression utility).

📖 Manual Coverage

Engine And Drivetrain:

Engine mechanical, control systems, fuel, emission control, intake/exhaust, cooling, lubrication, ignition, starting, charging, automatic transmission, transfer case, propeller shaft, drive shaft, differential, axles.

Chassis And Suspension:

Suspension, steering column, power steering, wheels, tires, brakes, parking brake.

Electrical And Body:

Air conditioning, supplemental restraint system (SRS), seat belts, engine immobilizer, cruise control, wipers/washers, door locks, instruments, audio/visual, horn, glass, mirrors, interior/exterior trim, electrical systems, multiplex/CAN communication.

Body And Interior:

Includes detailed procedures for exterior panels, interior trim, seating systems, and glass/mirror replacement.

Repair Procedures:

Complete step-by-step repair instructions for all vehicle systems, diagnostics, troubleshooting, component removal and installation, and adjustments.

Maintenance Procedures:

Scheduled maintenance, fluid changes, filter replacements, inspections, and lubrication.

Wiring Schematics:

Complete and detailed electrical wiring schematics for all vehicle systems.

Diagnostic Capabilities:

Detailed diagnostic procedures, fault code interpretation, wiring schematics, and component testing.

Specifications And Tolerances:

Comprehensive torque specifications, clearances, fluid capacities, electrical parameters, and other critical technical data.

Diagnostic Trouble Codes:

Includes specific diagnostic trouble codes (DTCs) and their corresponding troubleshooting procedures.

📊 Manual Specifications

File Type:

PDF

Printability:

High-resolution, fully printable pages. Ability to zoom in on diagrams and illustrations for detailed viewing.

Binding:

Digital (PDF) - no physical binding

Paper:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Code:

L37

Engine Type:

4.6L V8 Northstar DOHC

Horsepower:

Approx. 300 hp @ 6000 rpm

Torque:

Approx. 295 lb-ft @ 4400 rpm

Fuel Delivery:

Sequential Port Fuel Injection (SFI)

Emission System:

On-Board Diagnostics II (OBD-II) compliant, catalytic converter.

Coolant Type:

Dex-Cool (Orange) Extended Life Antifreeze/Coolant. Specific part number for GM vehicles: 12378560 or equivalent.

Oil Type:

SAE 4.0W-30 Full Synthetic Motor Oil. GM specification: GM6094M. Example part numbers: Mobil 1 4.0W-30, Castrol Syntec 4.0W-30.

Oil Capacity:

Approx. 4.5 US quarts (4.3 liters) with filter change.

Bore X Stroke:

3.66 in x 3.31 in (93 mm x 84 mm)

Compression Ratio:

10.3:1

Valvetrain:

Dual Overhead Camshafts (DOHC), 4 valves per cylinder

🔧 Transmission

Transmission Type:

4-speed automatic transaxle

Transmission Options:

Not applicable for the STS model in 2002; standard configuration.

Transmission Features:

Driver Shift Control (DSC) manual shifting mode, electronic controls, adaptive shift logic.

Transmission Fluid Type:

Dexron-III (or Dexron-VI) automatic transmission fluid. Example part number: GM Part 12378515 or equivalent.

First Gear:

2.92:1

Second Gear:

1.57:1

Third Gear:

1.00:1

Reverse Gear:

2.38:1

📐 Dimensions

Length:

Approx. 200.4 inches

Width:

Approx. 72.5 inches

Height:

Approx. 55.5 inches

Curb Weight:

Approx. 3800-3900 lbs

Gross Vehicle Weight Rating:

Approx. 4900 lbs

Wheelbase:

110.2 inches

Front Track:

61.6 inches

Rear Track:

61.6 inches

🛡️ Safety Features

NHTSA Front Impact Rating:

5-Star (for driver and front passenger)

NHTSA Side Impact Rating:

4-Star (for front seats), 5-Star (for rear seats)

Active Safety Systems:

Anti-lock Braking System (ABS), Traction Control System (TCS), StabiliTrak (optional, advanced stability control).

Airbags:

Driver and front passenger airbags, front side-impact airbags, available rear side-impact airbags.

Seat Belts:

Front and rear three-point seat belts, front seat belt pretensioners.

💡 Technology Features

Audio System:

Premium Bose® audio system with CD player, AM/FM stereo, and potentially a cassette player.

Navigation:

Optional factory DVD-based navigation system available.

Stability Control:

StabiliTrak electronic stability control system (optional) for enhanced vehicle control.

Adaptive Cruise Control:

Not typically available on the 2002 model.

Telematics:

OnStar® in-vehicle safety and communication system (subscription-based).

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 12 months, whichever comes first, when using synthetic oil. Consult manual for severe driving conditions.

Transmission Fluid Change Interval:

Inspect every 30,000 miles, replace fluid and filter every 60,000-100,000 miles, depending on driving conditions. Refer to manual for specific recommendations.

Coolant Flush Interval:

First flush at 5 years or 150,000 miles, then every 2 years or 60,000 miles thereafter.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid. Example part number: GM Part 12378524 or equivalent.

Power Steering Fluid Type:

Dexron-III (or Dexron-VI) automatic transmission fluid. Example part number: GM Part 12378515 or equivalent.

Coolant Capacity:

Approx. 10.5 US quarts (9.9 liters)

Fuel Type:

Premium Unleaded Gasoline, 91 octane or higher recommended.

Engine Issues:

Northstar V8 engines are known for potential issues with head gaskets, intake manifold gaskets (coolant leaks), and starter/alternator failures. Oil consumption can also be a concern.

Suspension Issues:

Magnetic Ride Control (MGC) system can develop leaks or sensor issues. Bushings and ball joints can wear over time.

Electrical Issues:

Various electrical gremlins can occur, including issues with body control modules (BCM), window regulators, and power seat motors.

Cooling System Issues:

Leaking coolant elbows, thermostat housing leaks, and water pump failures are not uncommon.

Front Tire Size:

235/55R17

Rear Tire Size:

235/55R17

Wheel Bolt Pattern:

5 x 115 mm

Wheel Size:

17 x 7.0 inches

📚 Vehicle History

Cadillac Legacy:

Cadillac has a long-standing reputation for luxury, comfort, and technological innovation in the American automotive industry.

Seville History:

The Seville was introduced as Cadillac's entry into the personal luxury car segment, evolving over generations to become a technologically advanced front-wheel-drive sedan.

Seville Sts Production Years:

The STS designation was prominent in the 1990s and early 2000s, with the 2002 model being part of the fifth generation of the Seville.

Manufacturing Location:

Hamtramck, Michigan, USA (GM's Detroit/Hamtramck Assembly plant)

🏆 Awards & Recognition

Car And Driver 10Best:

The 2002 Cadillac Seville STS was recognized on Car and Driver's 10Best list multiple times in previous years for its blend of performance and luxury, though specific inclusion for the 2002 model year varies.

Consumers Report Ratings:

Ratings vary by year; 2002 models generally received average to above-average ratings for predicted reliability, with some concerns in specific areas like the powertrain and electrical systems.