Engine Stalling and Power Loss

Engine complaints frequently cite stalling, loss of power, and serpentine belt failures. These can occur at various mileages, suggesting potential issues with belt tensioners, pulleys, or the engine's fuel/air delivery systems. Estimated repair cost: $400 - $1,200.

Recalls and complaints point to issues with rear suspension components, specifically toe links. This can affect alignment and stability. Early detection through regular inspections is advised. Estimated repair cost: $300 - $800.

Steering System Concerns

While less frequent than electrical or engine issues, steering complaints can include stiffness or noise. These can be related to the power steering pump, steering rack, or associated fluid lines. Estimated repair cost: $500 - $1,500.

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2012 Buick LaCrosse Maintenance guide

Name: Maintenance dataset for 2012 Buick LaCrosse
Creator: Carfocal

v1.0Updated May 30, 2026Ryan Davis4 Sources Analyzed

MAINTENANCE SUMMARY

The 2012 Buick LaCrosse demands vigilant maintenance, particularly concerning its electrical system and engine. Owners should anticipate potential issues such as stalling and power loss, often linked to the Generator Control Module (GCM) and serpentine belt.

View Critical Issue: Electrical System Failures

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Reliability Score

Est. Annual Maintenance Cost

$500 - $1,000

TSBs & Recalls

1,187 TSBs | 5 Recalls

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Key Takeaways

Prioritize maintenance of the electrical system, focusing on the GCM and charging components, due to frequent stalling and power loss complaints.
Regularly inspect the engine's serpentine belt and related components to prevent sudden failures.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance