Leaking oil can originate from various seals and gaskets, including the valve covers or oil pan. Addressing leaks promptly prevents potential engine damage from low oil levels. Estimated repair cost: $300 - $800.

Problems with the heating, ventilation, and air conditioning system can range from reduced airflow to complete failure. This often relates to the blower motor or blend door actuators. Estimated repair cost: $200 - $700.

Worn suspension components like control arm bushings or ball joints can lead to clunking or rattling noises, particularly over uneven surfaces. Early detection is key to preventing further damage. Estimated repair cost: $400 - $1000.

2015 Infiniti QX50 Maintenance guide

Name: Maintenance dataset for 2015 Infiniti QX50
Creator: Carfocal

v1.0Updated Jun 4, 2026Daniel Wilson4 Sources Analyzed

MAINTENANCE SUMMARY

The 2015 Infiniti QX50, with its 3.7L V6 engine and S7 automatic transmission, presents a good reliability profile (7.8 LLM score) with no recalls or complaints. However, 63 TSBs suggest diligent maintenance is key to addressing potential minor issues proactively.

View Critical Issue: Oil Leaks

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

63 TSBs | 0 Recalls

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Key Takeaways

The 2015 Infiniti QX50 has a good reliability record with no recalls or consumer complaints.
A high number of Technical Service Bulletins (TSBs) indicates potential for minor issues requiring diligent maintenance.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance