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September 3, 2025 Service bulletin

This service bulletin provides a repair procedure to correct a customer concern of Loss of Air...

Chevrolet technical service bulletin 25-NA-170 for 2024-2025 Chevrolet Silverado 1500 and 2024-2025 GMC Sierra 1500.

Bulletin number
25-NA-170
Component
Visibility/wiper
Summary
This service bulletin provides a repair procedure to correct a customer concern of Loss of Air Conditioning, Weak Cooling, and/or Warm Air Coming from Vents.

Owners of these vehicles have filed 23 complaints in the visibility category.

Vehicles covered

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