2014 NISSAN Altima MR20DE/QR25DE (L33)
L33 / Sedan / Coupe (varies by market) / Global (US, Canada, Mexico, Middle East, Australia, select Asia, Europe limited markets)
MR20DEQR25DEVQ35DEVQ35HRRegistro exacto de año/versiónSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- CVT transmission issues reported in some markets
- Timing chain stretch on some V6 engines with high mileage
First checks
- CVT fluid condition and level
- Check timing chain noise on VQ35HR
- Inspect spark plugs and ignition coils
Antes de cambiar piezas
- 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 differ significantly by market; always verify local specs.
- US and Canada mainly received 2.5L QR25DE I4 or 3.5L V6 versions with CVT or 6-speed auto.
- Australia and Middle East also offered similar configurations but 2.0L I4 less common globally.