The high-performance 6.2L V8 engine generates significant heat, placing stress on the cooling system. Leaks can develop from hoses, the radiator, or water pump seals, leading to overheating. Estimated repair cost: $500 - $1500.

Electronic Throttle Control (ETC) Issues

TSBs often address issues related to the electronic throttle body and its control module. These can manifest as drivability concerns, though not typically safety-critical. Estimated repair cost: $300 - $800.

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2018 Jeep Grand Cherokee Maintenance guide

Name: Maintenance dataset for 2018 Jeep Grand Cherokee
Creator: Carfocal

v1.0Updated Jun 9, 2026Daniel Wilson4 Sources Analyzed

MAINTENANCE SUMMARY

The 2018 Jeep Grand Cherokee, particularly with the 6.2L V8, presents a complex maintenance profile. While lacking recalls and owner complaints, 81 Technical Service Bulletins (TSBs) indicate potential for numerous minor issues.

View Critical Issue: Cooling System Leaks

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Reliability Score

Est. Annual Maintenance Cost

$500 - $1,000

TSBs & Recalls

81 TSBs | 0 Recalls

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Key Takeaways

The 2018 Grand Cherokee has no reported recalls or owner complaints, but a high TSB count indicates potential for minor issues.
Prioritize cooling system maintenance due to the demands of the 6.2L V8 engine.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance