Unknown or other
Chevrolet technical service bulletin PIT5734H for 2020-2025 Chevrolet Silverado 1500, 2021-2025 Chevrolet Tahoe and 2021-2025 GMC Sierra 1500 and others.
- Bulletin number
- PIT5734H
- Component
- Unknown or other
- Summary
- This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.
Vehicles covered
- Chevrolet Silverado 1500 2020-2025 202020212022202320242025
- Chevrolet Tahoe 2021-2025 20212022202320242025
- GMC Sierra 1500 2021-2025 20212022202320242025
- Chevrolet Suburban 2021-2024 2021202220232024
- GMC Yukon 2021-2025 20212022202320242025
- GMC Yukon XL 2021-2025 20212022202320242025
- Cadillac Escalade 2021-2025 20212022202320242025
- Chevrolet Suburban 1500 2021-2025 20212022202320242025
- Cadillac Escalade ESV 2021-2025 20212022202320242025
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