2013 NISSAN Altima QR25DE/VQ35DE (L33)
L33 / Sedan / Coupe (limited markets) / North America, Asia, Middle East, selected global markets
QR25DEVQ35DEExact year/trim recordSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Timing chain stretch on early QR25DE engines leading to noise
- CVT transmission issues mainly in North American markets requiring fluid changes
First checks
- Inspect timing chain tension and noise on I4 engines
- Check CVT fluid condition and service history if applicable
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
- Engine and transmission offerings vary significantly by global market; 3.5L V6 typically limited to North America and some Asian markets.
- Oil capacities and recommended service intervals can differ based on engine variant and market-specific tuning.