Complaints include squealing, grinding, and erratic brake response. Some reports mention brake fluid leaks and potential system failures, often appearing at low mileage. Estimated repair cost: $300 - $800.

Engine complaints include issues with gear engagement and exhaust system integrity. Some reports suggest potential internal engine problems at higher mileages. Estimated repair cost: $500 - $2,000+.

Some owners report issues with the powertrain, including transmission shudder or engagement problems. While less frequent than electrical or brake issues, these can be costly to repair. Estimated repair cost: $1,000 - $3,500+.

2021 Chevrolet Traverse Maintenance guide

Name: Maintenance dataset for 2021 Chevrolet Traverse
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed2 Critical Recalls

MAINTENANCE SUMMARY

The 2021 Chevrolet Traverse requires diligent attention to its electrical system, particularly the alternator and battery, which show a high incidence of premature failure. Frequent brake system complaints also warrant proactive inspection.

View Critical Issue: Electrical System Failures (Alternator, Battery)

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Reliability Score

Est. Annual Maintenance Cost

$500 - $900

TSBs & Recalls

67 TSBs | 3 Recalls

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Key Takeaways

The 2021 Chevrolet Traverse has a 'Below Average' reliability verdict.
Electrical system issues, particularly alternator and battery failures, are a significant concern.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance