2009 NISSAN Sentra MR18DE/QR25DE (B16)
B16 / Sedan / North America, with variations globally
MR18DEQR25DEExakter Jahres-/Varianten-DatensatzGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- CVT transmission overheating in hotter climates if not maintained
- Front suspension wear on high-mileage units
First checks
- CVT fluid condition if equipped
- Timing chain noise
- Regular spark plug replacement
Vor dem Teiletausch
- 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 options vary by region and trim; North America most commonly has MR18DE with CVT or manual transmission.
- Oil capacity and other fluid specifications can vary slightly depending on the exact engine and filter used; always verify per market workshop manual.