Service Brakes Failure

Sudden loss of braking power, pedal going to the floor without warning. This is a critical safety concern. Estimated repair cost: $400 - $1,200.

Electrical System Issues (Rodent Damage)

Rodents chewing on soy-based wire insulation, leading to check engine lights, stalling, and various electrical malfunctions. Estimated repair cost: $300 - $800.

Sunroof/Window Shattering

Reports of glass spontaneously shattering. Estimated repair cost: $300 - $800.

Steering Wheel Peeling

The material on the steering wheel can degrade and peel over time. Estimated repair cost: $200 - $500.

CARFOCALvehicle research

2017 Toyota 4Runner Maintenance guide

Name: Maintenance dataset for 2017 Toyota 4Runner
Creator: Carfocal

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

MAINTENANCE SUMMARY

The 2017 Toyota 4Runner demands diligent attention to its braking system and electrical components due to documented failure patterns. Owners should prioritize regular inspections of the brake system for any signs of reduced performance or pedal softness, as reports of sudden, complete brake failure are a significant concern.

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Reliability Score

Est. Annual Maintenance Cost

$1,000 - $1,500

TSBs & Recalls

95 TSBs | 5 Recalls

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Key Takeaways

Prioritize brake system inspections due to reports of sudden failure.
Monitor the electrical system for potential rodent damage to wiring.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance