Chrysler 300 2023–2026 — technical service bulletin
Bulletin S2607000002 · NHTSA communication 11028742 · issued Feb 2, 2026
Technical service bulletin
communication type
Engine
component
2023–2026
model years
46
vehicle entries
Official summary
Hemi Water Pump Coolant Leak Inspection
Vehicles covered
- 2023 Chrysler 300
- 2023 Dodge Challenger
- 2023 Dodge Charger
- 2023 Dodge Durango
- 2024 Dodge Durango
- 2025 Dodge Durango
- 2023 Jeep Grand Cherokee
- 2024 Jeep Grand Cherokee
- 2025 Jeep Grand Cherokee
- 2026 Jeep Grand Cherokee
- 2023 Jeep Grand Cherokee L
- 2024 Jeep Grand Cherokee L
- 2025 Jeep Grand Cherokee L
- 2026 Jeep Grand Cherokee L
- 2023 Jeep Grand Wagoneer
- 2024 Jeep Grand Wagoneer
- 2025 Jeep Grand Wagoneer
- 2026 Jeep Grand Wagoneer
- 2023 Jeep Wagoneer
- 2024 Jeep Wagoneer
- 2025 Jeep Wagoneer
- 2026 Jeep Wagoneer
- 2023 Jeep Wrangler
- 2024 Jeep Wrangler
- 2025 Jeep Wrangler
- 2026 Jeep Wrangler
- 2023 RAM 1500
- 2024 RAM 1500
- 2025 RAM 1500
- 2026 RAM 1500
- 2023 RAM 2500
- 2024 RAM 2500
- 2025 RAM 2500
- 2026 RAM 2500
- 2023 RAM 3500
- 2024 RAM 3500
- 2025 RAM 3500
- 2026 RAM 3500
- 2023 RAM 4500
- 2024 RAM 4500
- 2025 RAM 4500
- 2026 RAM 4500
- 2023 RAM 5500
- 2024 RAM 5500
- 2025 RAM 5500
- 2026 RAM 5500
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.