2017 Infiniti QX70 Problems: 2 Issues Every Owner Should Know
2017 model year · 0+ owner reports · Updated April 2026
According to Au7o's analysis of 0+ owner reports, the 2017 Infiniti QX70 has 2 documented known issues. No issues are rated critical, indicating generally reliable ownership. Across all issues, repair costs range from $300 to $3,500. DIY maintenance guides at au7o.io.
All 2 Known Issues
On the 2014-2017 Infiniti QX70, aWD-equipped FX/QX70 models develop transfer case output shaft seal leaks, allowing gear oil to seep onto the exhaust and create a burning smell. The seals harden and crack from heat exposure over time.
Common Symptoms
- Burning gear oil smell
- Oil drip from center of vehicle
- Low transfer case fluid level
How to Fix
Replace the transfer case output seals and inspect the transfer case fluid level. Refill with genuine Nissan transfer case fluid. Check the driveshaft joints for wear while the transfer case is accessible.
On the 2014-2017 Infiniti QX70 3.7L VQ37VHR V6, the VQ37VHR engine in the QX70 can develop timing chain rattle, especially on cold starts. The primary timing chain stretches and the tensioner cannot fully compensate, resulting in a distinctive metallic rattle that typically quiets after 10-30 seconds.
Common Symptoms
- Cold start chain rattle
- Gradually worsening startup noise
- Check engine light for cam timing
How to Fix
Replace the timing chain, tensioners, and guides as a set. Use updated Nissan timing chain components with improved tensioner design. Ensure regular oil changes with quality synthetic oil to minimize chain wear.