Vehicle database
CADILLAC Seville
fifth generation / STS (third generation) / 1996-2004 / 4-door sedan / Sedan
North America (primary), other markets limitedNorth America / select global marketsCoverage: expanded
Year and trim selector
Choose the exact year and trim to see engine, oil and service details.
1996 CADILLAC Seville L37 (K-body)
K-body / L37 / 4.6L Northstar V8 DOHC 32-valve, used primarily in North American models; some export variants may differ in specs and equipment
GoldOpen details
Oil type: 5W-30 synthetic oil recommendedOil capacity: Approximately 6.6 quarts (6.25 liters) including filter (service-fill)Related: VIN prefix indicates K-body chassis, GM's L37 engine code
2004 CADILLAC Seville LZ4/LR4 (STS)
STS / LZ4, LR4 / The 2004 Cadillac Seville STS was offered with two V8 engines depending on market: a 4.6L Northstar V8 (LZ4) in the US and a 4.6L supercharged Northstar V8 (LR4) available in select markets and late 2004 model year.
SilverOpen details
Oil type: SAE 5W-30 synthetic or conventional motor oil meeting GM6094M specificationOil capacity: 6.5 US quarts (including filter) - service fill with filter changeRelated: LZ4 (naturally aspirated Northstar V8), LR4 (supercharged Northstar V8)
Engine codes by year
| Year | Trim | Engine codes | Displacement | Fuel system |
|---|---|---|---|---|
| 1996 | technical-profile | L37 | 4551 cc (4.6L) | Multi-port fuel injection |
| 2004 | technical-profile | LZ4, LR4 | 4.6 liters (4608 cc) | Sequential fuel injection |
Oil capacity by engine
| Year | Engine codes | Oil type | Oil capacity | Fluid |
|---|---|---|---|---|
| 1996 | L37 | 5W-30 synthetic oil recommended | Approximately 6.6 quarts (6.25 liters) including filter (service-fill) | Dexron III or equivalent ATF |
| 2004 | LZ4, LR4 | SAE 5W-30 synthetic or conventional motor oil meeting GM6094M specification | 6.5 US quarts (including filter) - service fill with filter change | Dexron VI automatic transmission fluid |
Technical specifications
- Engines: L37, LZ4, LR4
- Transmissions: Not available; automatic transmissions only, 4-speed 4T80-E electronically controlled automatic, Dexron III or equivalent ATF, Not available, 4-speed 4T80-E automatic, Dexron VI automatic transmission fluid
- Tire sizes: P205/65R15, P225/55R16 depending on wheel option, 245/45ZR17, 255/40ZR18 (optional wheels)
- Bolt pattern: Verify by exact trim and wheel package
- Wheel torque: Verify by VIN and wheel package
- Battery: Verify by engine, market and equipment package
Fluids and service data
- Engine oil: 5W-30 synthetic oil recommended / SAE 5W-30 synthetic or conventional motor oil meeting GM6094M specification
- Transmission fluid: Dexron III or equivalent ATF / Dexron VI automatic transmission fluid
- Coolant: 13.7 liters (3.6 US gallons) / 15.3 liters (4.0 gallons)
- Brake fluid: DOT 3 or DOT 4
Known problems
- Head gasket leaks
- Cooling system thermostat failure
- Power steering pump leaks
- Electrical issues related to instrument cluster
- Northstar engine timing chain tensioner failure
- Oil leaks from valve cover gaskets