2016 Infiniti Q70 Problems: 1 Issues Every Owner Should Know
2016 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated April 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2016 Infiniti Q70 has 1 documented known issues, with 1 rated critical. The most serious is Timing Chain Tensioner Failure ($1,500-$3,500 repair). Across all issues, repair costs range from $1,500 to $3,500. DIY maintenance guides at au7o.io.
All 1 Known Issues
On the 2014-2019 Infiniti Q70 3.7L VQ37VHR V6, the VQ37VHR and VQ35HR engines in the M/Q70 series develop timing chain tensioner wear, leading to chain rattle on startup and potential chain skip. The hydraulic tensioners lose their ability to maintain proper chain tension as the internal check valve wears.
Common Symptoms
- Chain rattle on cold start lasting 1-3 seconds
- Check engine light with cam timing codes
- Rough idle after extended parking
How to Fix
Replace the primary timing chain tensioners and inspect the chains and guides. Use updated tensioner part numbers that feature improved check valve design. This repair requires removing the front timing cover.