Service bulletin M011647300
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10174787 |
| Published by NHTSA | 2020-05-08 |
| Manufacturer's number | M011647300 |
| Manufacturer's date | 2020-04-24 |
| NHTSA component | ENGINE AND ENGINE COOLING; EQUIPMENT |
NHTSA's summary
The new cylinder head gasket has a funnel seal that diverts 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 shim gasket.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine, Equipment and accessories
| CATERPILLAR C15 | |
|---|---|
| CATERPILLAR C18 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.