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Service bulletin TSB200162-072120

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 id10178501
Published by NHTSA2020-08-17
Manufacturer's numberTSB200162-072120
Manufacturer's date2020-07-21
NHTSA componentFUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of coolant found in lubricating oil pan, or lubricating oil found in radiator or top tank caused by cylinder block porosity.

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, Fuel system

Vehicles listed
CUMMINS B6.7

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