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May 16, 2025 Service bulletin

This service bulletin advises the technician to check if the transmission cooler lines are twisted to...

Chevrolet technical service bulletin 22-NA-182 for 2021-2025 Chevrolet Silverado 1500, 2021-2025 Chevrolet Tahoe and 2021-2025 GMC Sierra 1500 and others.

Bulletin number
22-NA-182
Component
Power train
Summary
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.

Owners of these vehicles have filed 2,088 complaints in the transmission category.

Vehicles covered

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