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Service bulletin M011603900

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 id10171169
Published by NHTSA2020-02-07
Manufacturer's numberM011603900
Manufacturer's date2020-01-27
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING

NHTSA's summary

On certain reman water pumps incorrect gear placement on the shaft may lead to excessive axial end play resulting in leaks. Follow the identified procedure to inspect the water pump end play.

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 C-15
CATERPILLAR C-16
CATERPILLAR C13
CATERPILLAR C152004
CATERPILLAR C18

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