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August 22, 2026 Service bulletin

This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times

Chevrolet technical service bulletin PIT6452E for 2025-2026 Chevrolet Silverado 1500, 2025-2026 Chevrolet Tahoe and 2025-2026 GMC Sierra 1500 and others.

Bulletin number
PIT6452E
Component
Unknown or other
Summary
This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times

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