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October 3, 2025 Service bulletin

This bulletin advises the tech not to replace the shock for possible air leak, but to replace the air...

Chevrolet technical service bulletin 25-NA-152 for 2024-2026 Chevrolet Silverado EV, 2024-2025 GMC Hummer EV SUV and 2024-2026 GMC Sierra EV and others.

Bulletin number
25-NA-152
Component
Suspension
Summary
this bulletin advises the tech not to replace the shock for possible air leak, but to replace the air valve on the shock.

Owners of these vehicles have filed 5 complaints in the suspension category.

Vehicles covered

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