Suspension System Failures

The front lower control arm's lower ball joint weld integrity has been a significant issue, leading to recalls. Owners report concerns about the ball joint breaking and partial separation of the control arm. Estimated repair cost: $500 - $1,500.

Complaints include stalling, blue smoke from the exhaust (potentially indicating PCV system issues on the 1.4T engine), and turbocharger problems. These can affect performance and drivability. Estimated repair cost: $500 - $2,500.

Electrical System Malfunctions

Varied electrical issues are reported, including dashboard and radio malfunctions, loss of power, and illuminated warning lights. These can be intermittent and difficult to diagnose. Estimated repair cost: $200 - $1,000.

CARFOCALvehicle research

2018 Chevrolet Trax Maintenance guide

Name: Maintenance dataset for 2018 Chevrolet Trax
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed

MAINTENANCE SUMMARY

The 2018 Chevrolet Trax, with 136 complaints and a 'Below Average' reliability verdict, demands diligent maintenance. Focus on the suspension system, particularly the front lower control arms which have been subject to recalls and numerous owner complaints.

View Critical Issue: Engine Issues

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Reliability Score

Est. Annual Maintenance Cost

$500 - $1,000

TSBs & Recalls

354 TSBs | 2 Recalls

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Key Takeaways

The 2018 Chevrolet Trax has a 'Below Average' reliability verdict.
Suspension issues, particularly with front lower control arms, are a primary concern.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance