The V8 engine can generate significant heat. Over time, hoses, the radiator, or water pump seals can degrade, leading to coolant leaks. This can cause overheating and potential engine damage if not addressed promptly. Estimated repair cost: $500 - $1500.

The 5.0L V8 engine can develop oil leaks from valve cover gaskets, oil pan gaskets, or the oil cooler lines. These leaks can lead to low oil levels, potential engine damage, and environmental concerns. Estimated repair cost: $300 - $1000.

2011 Infiniti FX50 Maintenance guide

Name: Maintenance dataset for 2011 Infiniti FX50
Creator: Carfocal

v1.0Updated Jun 4, 2026Ethan Miller4 Sources Analyzed

MAINTENANCE SUMMARY

The 2011 Infiniti FX50, with its 5.0L V8 and All-Wheel Drive, presents an average reliability profile, marked by a high TSB count despite no recalls or complaints. Owners should prioritize proactive maintenance, particularly for the cooling system and oil circulation, to mitigate potential issues suggested by the 43 TSBs.

View Critical Issue: Transmission Fluid Leaks/Issues

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Reliability Score

Est. Annual Maintenance Cost

$1,000 - $1,500

TSBs & Recalls

43 TSBs | 0 Recalls

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Key Takeaways

Average reliability profile with no recalls or complaints, but 43 TSBs indicate potential minor issues.
Prioritize proactive maintenance of the cooling system and oil circulation components.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance