2006 CADILLAC CTS L37 (2.8L V6)/LS2 (6.0L V8) North America (GMX322)
GMX322 / Sedan / Wagon / North America (primary), select global markets
L37 (2.8L V6)LS2 (6.0L V8) North AmericaL67 supercharged V6 (2004-05, not 2006)Exact year/trim recordGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Timing chain tensioner noise on V6 engines
- Fuel pump module issues leading to hesitation
First checks
- Check for coolant leaks in radiator and hoses
- Inspect timing chain guides for wear (V6)
- Monitor transmission fluid condition
Before replacing parts
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- The 2006 Cadillac CTS is primarily a North American market vehicle but was also sold in limited quantities in select global markets including the Middle East and some European countries.
- Engine and trim availability varies by market; the supercharged V6 was discontinued after 2005.