Service bulletin TSB M257005 202608
Manufacturer communication, from NHTSA Manufacturer Communications
- Published by NHTSA
- Sep 1, 2026
- Manufacturer
- MACK
- NHTSA ID
- 11036590
- NHTSA category
- Service Bulletin/Repair Instructions
- Applies to, as stated by NHTSA
- MACK PIONEER PR (4) 2025-2027
- Component, as stated by NHTSA
- ENGINE
Text of the manufacturer communication
Loose CCV mounting bolts and oil leak at CCV due to cracking of the housing. Mounting hardware found to be under-torqued after the vehicle was delivered.
- Manufacturer document number
- TSB M257005 202608
- Date of the communication
- 2026-08-26
NHTSA reuses some ID numbers across record types. If its page lists more than one record, this one is the manufacturer communication dated Sep 1, 2026.