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Service bulletin CPI384132

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 id10125006
Published by NHTSA2017-12-08
Manufacturer's numberCPI384132
Manufacturer's date2017-11-01
NHTSA componentEQUIPMENT

NHTSA's summary

Warranty and field complaints have increased on Cat 270 air compressors after the change was made to the 20R5604 and 20R5605 part numbers. Dealers are experiencing and increased amount of oil passing into the air systems in early hours after installation.

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

Equipment and accessories

Vehicles listed
CATERPILLAR CATERPILLAR

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