| Bulletin Date: | Jun. 19, 2013 |
| Component: | Brake master cylinder |
| Bulletin Summary: | Ac delco: the 18m870 acdelco brake master cylinder must be returned, effective immediately through July 19, 2013 and date code prior to 13105. |
| Vehicles covered in this TSB: |
Brake Parts Gm Ac Delco 18m870.
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