Alfa Romeo Giulia 2017–2026 — technical service bulletin
Bulletin 112842 · NHTSA communication 11034335 · issued Jun 18, 2026
Technical service bulletin
communication type
Engine
component
2017–2026
model years
60
vehicle entries
Official summary
BOLT - HEX FLANGE HEAD
Vehicles covered
- 2017 Alfa Romeo Giulia
- 2018 Alfa Romeo Giulia
- 2019 Alfa Romeo Giulia
- 2020 Alfa Romeo Giulia
- 2021 Alfa Romeo Giulia
- 2022 Alfa Romeo Giulia
- 2023 Alfa Romeo Giulia
- 2024 Alfa Romeo Giulia
- 2025 Alfa Romeo Giulia
- 2026 Alfa Romeo Giulia
- 2018 Alfa Romeo Stelvio
- 2019 Alfa Romeo Stelvio
- 2020 Alfa Romeo Stelvio
- 2021 Alfa Romeo Stelvio
- 2022 Alfa Romeo Stelvio
- 2023 Alfa Romeo Stelvio
- 2024 Alfa Romeo Stelvio
- 2025 Alfa Romeo Stelvio
- 2026 Alfa Romeo Stelvio
- 2022 Alfa Romeo Tonale
- 2023 Alfa Romeo Tonale
- 2025 Alfa Romeo Tonale
- 2026 Alfa Romeo Tonale
- 2024 Alfa Romeo Tonale PHEV
- 2017 Jeep Compass
- 2018 Jeep Compass
- 2019 Jeep Compass
- 2020 Jeep Compass
- 2021 Jeep Compass
- 2022 Jeep Compass
- 2023 Jeep Compass
- 2024 Jeep Compass
- 2025 Jeep Compass
- 2026 Jeep Compass
- 2020 Jeep Gladiator
- 2021 Jeep Gladiator
- 2022 Jeep Gladiator
- 2023 Jeep Gladiator
- 2024 Jeep Gladiator
- 2025 Jeep Gladiator
- 2026 Jeep Gladiator
- 2021 Jeep Grand Cherokee
- 2022 Jeep Grand Cherokee
- 2023 Jeep Grand Cherokee
- 2024 Jeep Grand Cherokee
- 2025 Jeep Grand Cherokee
- 2026 Jeep Grand Cherokee
- 2022 Jeep Grand Cherokee 4XE
- 2023 Jeep Grand Cherokee 4XE
- 2024 Jeep Grand Cherokee 4XE
- 2025 Jeep Grand Cherokee 4XE
- 2026 Jeep Grand Cherokee 4XE
- 2021 Jeep Grand Cherokee L
- 2022 Jeep Grand Cherokee L
- 2023 Jeep Grand Cherokee L
- 2024 Jeep Grand Cherokee L
- 2025 Jeep Grand Cherokee L
- 2026 Jeep Grand Cherokee L
- 2018 Jeep Wrangler
- 2019 Jeep Wrangler
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.