Target Audience:
Owners of the 1999 Cadillac Seville, DIY mechanics, professional automotive repair shops.
Advantage:
More convenient and less expensive than traditional printed manuals. Instant online access to factory-derived information.
Convenience:
Accessible from any internet-enabled device, providing up-to-date information at the push of a button.
Information Source:
Officially licensed and derived from Original Equipment (OE) materials, ensuring accuracy and completeness.
Primary Coverage:
Comprehensive service, repair, and maintenance for the 1999 Cadillac Seville.
Estimated Page Count:
Extensive (exact count not provided, but described as 'all the service and repair information you could ever need')
Type:
Service and Repair Manual Software (Online Access)
Format:
Online Software/Web-based Access (compatible with PC, laptop, smartphone, tablet)
Licensing:
Officially Licensed, Licensed information derived from OE materials
Access Duration:
1 Year (with discounts for additional years)
Powertrain:
Engine mechanical, engine control systems, fuel system, exhaust system, transmission (automatic), drivetrain components (front-wheel drive).
Chassis:
Suspension system (front and rear), steering system, braking system (including ABS).
Body And Electrical:
Body construction, interior and exterior trim, heating, ventilation, and air conditioning (HVAC), electrical system, wiring diagrams, lighting, body control modules, instrumentation, power accessories.
Diagnostics And Troubleshooting:
Fault code identification, diagnostic procedures, symptom-based troubleshooting for all major systems.
Maintenance:
Routine maintenance, fluid changes, filter replacements, lubrication, tune-up procedures, scheduled maintenance intervals.
Repair And Rebuild:
Component removal, installation, and overhaul for engine, transmission, suspension, brakes, steering, electrical components, and body panels.
Calibration And Adjustment:
Procedures for recalibrating sensors, adjusting components, and setting specifications.
Depth:
Comprehensive, covering everything from basic maintenance to advanced diagnostics and major repairs. Designed for both DIY enthusiasts and professional technicians.
Engine Code:
VIN J (4.6L Northstar V8)
Displacement:
4.6 Liters (281 cubic inches)
Configuration:
V8, DOHC (Dual Overhead Camshafts), 32 valves
Horsepower:
275 hp @ 6000 rpm (SLS), 300 hp @ 6000 rpm (STS)
Torque:
295 lb-ft @ 4400 rpm (SLS), 295 lb-ft @ 4400 rpm (STS)
Induction:
Sequential Fuel Injection (SFI)
Fuel Type:
Unleaded Premium Unleaded Gasoline (91 octane or higher recommended)
Coolant Type:
Dex-Cool® (Orange, Long-life, Ethylene Glycol based)
Type:
Distributorless Ignition System (DIS), Coil-on-Plug (COP) or equivalent.
Type:
4-speed automatic overdrive (Hydra-Matic 4T80-E)
Availability:
N/A (This was the standard and only transmission for the 1999 Seville).
Control:
Electronic control with adaptive shifting, Driver Shift Control (DSC) allowing manual selection of gears.
Fluid Type:
Dexron® III (or equivalent approved ATF)
Length:
Approximately 201.4 inches
Width:
Approximately 73.3 inches
Height:
Approximately 55.7 inches
Wheelbase:
Approximately 112.2 inches
Curb Weight:
Approximately 3,700 - 3,900 lbs (depending on trim and options)
Gross Vehicle Weight Rating:
Approximately 4,700 - 4,900 lbs
NHTSA Front Impact:
5-Star (Driver and Passenger) - likely for a 1999 model year, subject to specific testing protocols of the era.
IIHS Side Impact:
Good (for models equipped with side airbags if available, or overall structural integrity)
Traction Control:
Yes (StabiliTrak or similar system)
Anti Lock Brakes:
Yes (ABS)
Airbags:
Driver and front passenger airbags. Side airbags may have been optional on certain trims.
Seatbelts:
3-point front and rear seat belts with pretensioners and load limiters.
Audio System:
Optional Bose premium audio system with CD player, cassette, and AM/FM stereo.
Climate Control:
Dual-zone automatic climate control (often referred to as 'Comfort Control').
Cruise Control:
Standard cruise control, potentially with steering wheel mounted controls.
Parking Assist:
Optional rear parking assist sensors.
Onstar:
OnStar system was available as an option, providing emergency, navigation, and concierge services via satellite communication.
Oil Change:
Every 7,500 miles or 6 months, whichever comes first (using synthetic oil).
Tire Rotation:
Every 7,500 miles
Coolant Flush:
First flush at 5 years or 100,000 miles, then every 2 years or 50,000 miles thereafter.
Engine Oil:
SAE 5W-30, API Certified, Synthetic (GM specification GMS B 4000 or equivalent).
Engine Coolant:
GM P/N 12378513 (Dex-Cool®), or equivalent, mixed 50/50 with deionized water.
Brake Fluid:
DOT 3 (or DOT 4 if specified)
Headgaskets:
While the Northstar engine is powerful, earlier versions (prior to some design improvements) could be prone to head gasket failures. The 1999 model year generally had these issues addressed, but it's a known concern for the engine family.
Intake Manifold:
Some Northstar engines can experience coolant leaks from the intake manifold gaskets.
Electronics:
As a luxury vehicle of its era, complex electronics can sometimes lead to issues with modules, sensors, or wiring harnesses.
Oil Filter:
AC Delco PF1218 or equivalent.
Air Filter:
AC Delco A1811C or equivalent.
Cadillac Legacy:
Cadillac, America's premier luxury automobile manufacturer, has a long history of innovation and comfort since its founding in 1902.
Seville Lineage:
The Seville was Cadillac's entry into the personal luxury car segment, known for its advanced technology and front-wheel-drive platform introduced in the 1970s. The 1999 model represents the fifth generation (1998-2004), a significant redesign with the introduction of the Northstar V8 engine.
Manufacturing Location:
Hamtramck, Michigan, USA (Assembly Plant).
Production Years:
1975-2004
