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Service bulletin CPI437022

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10152831
Published by NHTSA2019-02-19
Manufacturer's numberCPI437022
Manufacturer's date2019-01-23
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Crankcase breather leaks on C13 engines. There has been one oil leak reported on an on-highway truck engine without incident.

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

Vehicles listed
CATERPILLAR CATERPILLAR

Listing a model year does not mean every vehicle of it is concerned: the document says which.