| Bulletin Date: | Nov. 10, 2020 |
| Component: | Equipment |
| Bulletin Summary: | The new 571-9902 cylinder head gasket kit has funnel seals that divert oil from the cylinder head back into the oil drain passage in the block. This oil diversion prevents oil from collecting between the cylinder block and the spacer plate |
| Vehicles covered in this TSB: |
1998 Caterpillar 3406E,
1999 Caterpillar 3406E,
Caterpillar C-15,
Caterpillar C-16,
Caterpillar C15.
|
| Bulletin Date: | May. 2, 2018 |
| Component: | Power train |
| Bulletin Summary: | The process to create the spiral-lock threads in the gears has been improved to correct the torquing procedure and help prevent premature failures. |
| Vehicles covered in this TSB: |
Caterpillar C-15,
Caterpillar C-16.
|