Vehicle database
CADILLAC DTS
First generation / First Generation / 2006-2007 / Full-size luxury sedan / Sedan
North America / select global marketsNorth America (primary), selected global marketsCoverage: expanded
Year and trim selector
Choose the exact year and trim to see engine, oil and service details.
2006 CADILLAC DTS L37 (GMX306)
GMX306 / L37 / 4.6L V8 Northstar Series II with variable valve timing
GoldOpen details
Oil type: 5W-30 synthetic motor oil meeting GM dexos1 specificationOil capacity: 6.9 US quarts / 6.5 liters engine oil including filter (service fill)Related: P0300, P0420, P0171, P0455
2007 CADILLAC DTS LH2 (G)
G / LH2 / 4.6L Northstar V8, DOHC, aluminum block and heads, VVT
GoldOpen details
Oil type: SAE 5W-30 synthetic blend or full synthetic, meeting GM dexos1 specificationOil capacity: 5.7 liters (6.0 quarts) including filter, service-fillRelated: GM LH2 engine family, 4T80 automatic transmission
Engine codes by year
| Year | Trim | Engine codes | Displacement | Fuel system |
|---|---|---|---|---|
| 2006 | technical-profile | L37 | 4.6 L (4584 cc) | Sequential multi-port fuel injection |
| 2007 | technical-profile | LH2 | 4564 cc (4.6L) | Sequential multi-port fuel injection |
Oil capacity by engine
| Year | Engine codes | Oil type | Oil capacity | Fluid |
|---|---|---|---|---|
| 2006 | L37 | 5W-30 synthetic motor oil meeting GM dexos1 specification | 6.9 US quarts / 6.5 liters engine oil including filter (service fill) | Dexron VI automatic transmission fluid |
| 2007 | LH2 | SAE 5W-30 synthetic blend or full synthetic, meeting GM dexos1 specification | 5.7 liters (6.0 quarts) including filter, service-fill | GM Type A Suffix A or Dexron VI |
Technical specifications
- Engines: L37, LH2
- Transmissions: Not available, 4-speed 4T80-E hydraulic automatic, Dexron VI automatic transmission fluid, 4-speed 4T80-E automatic with TapShift (manual mode), GM Type A Suffix A or Dexron VI
- Tire sizes: 235/50R17, 235/55R17 standard, 235/50R18 optional
- 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 motor oil meeting GM dexos1 specification / SAE 5W-30 synthetic blend or full synthetic, meeting GM dexos1 specification
- Transmission fluid: Dexron VI automatic transmission fluid / GM Type A Suffix A or Dexron VI
- Coolant: Approximately 13.5 US quarts / 12.8 liters / 11.9 liters (12.6 quarts)
- Brake fluid: DOT 3 or DOT 4 as specified / DOT 3 or DOT 4
Known problems
- Timing chain tensioner issues leading to rattle noise
- Electric throttle body sensor faults
- Intake manifold gasket leaks (early build vehicles)
- Electrical gremlins in climate control module