Service bulletin BBJA31120
Manufacturer communication, from NHTSA Manufacturer Communications
- Published by NHTSA
- Sep 21, 2026
- Manufacturer
- ACURA
- NHTSA ID
- 11037431
- NHTSA category
- Service Bulletin/Repair Instructions
- Applies to, as stated by NHTSA
- ACURA ADX 2025-2026; ACURA INTEGRA 2023-2026
- Component, as stated by NHTSA
- ENGINE
Text of the manufacturer communication
Job Aid - This job aid only applies to vehicles involved in the cylinder head gasket warranty extension. While replacing the cylinder head gasket, a flatness check of the mating surfaces of both the cylinder head and engine block must be done. If the mating surface warpage is found to be outside of service manual specifications, replacement of the component is required.
- Manufacturer document number
- BBJA31120
- Date of the communication
- 2026-09-14
NHTSA reuses some ID numbers across record types. If its page lists more than one record, this one is the manufacturer communication dated Sep 21, 2026.