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Service bulletin CPI472312

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 id10178158
Published by NHTSA2020-08-07
Manufacturer's numberCPI472312
Manufacturer's date2020-07-13
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING

NHTSA's summary

Through warranty analysis, Reman has detected a higher than expected failure rate on C15/C18 heads through head cracking. The goal of this project is to evaluate and address the root causes of head cracking.

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

Vehicles listed
CATERPILLAR 3406E1999
CATERPILLAR C-15
CATERPILLAR C15

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