2006 NISSAN Altima QR25DE/VQ35DE (L31)
L31 / Sedan / Coupe / North America, Asia, Australia, Middle East (variations by region)
QR25DEVQ35DEFiche exacte année/versionGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- CVT transmission issues on CVT-equipped models (introduced later)
- Timing chain noise on QR25DE at high mileage
- Water pump leakage
First checks
- Check oil and coolant levels regularly
- Inspect timing chain tension and noise
- Verify automatic transmission fluid condition
Avant de remplacer des pièces
- 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 offerings and tuning vary by region: V6 mainly North America, I4 more common globally.
- Oil capacity includes filter change; confirm with local service manual due to slight variation by market and production month.