2019 INFINITI Q70L V9X/VQ37VHR (Y51)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Potential timing chain tensioner noise in older engines
• Diesel particulate filter clogging on V9X in low mileage urban use

First checks

• Verify engine oil level and condition, inspect timing chain area for rattle
• Check automatic transmission fluid condition
• Inspect brake system and ABS operation

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

• Q70L is the long wheelbase variant of the Q70, primarily for the China market and selected Middle East countries.
• Diesel V9X engine availability is very market-specific, mainly China; other markets predominantly received VQ37VHR V6 petrol engine.