# Service bulletin T1975

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.

- Type: Service bulletin
- NHTSA id: 10127382
- Published by NHTSA: 2018\-01\-29
- Manufacturer's number: T1975
- Manufacturer's date: 2017\-12\-15
- NHTSA component: ENGINE

## NHTSA's summary

This Temporary Repair Practice authorizes the inspection and replacement of all six rocker levers on identified Engine Serial Numbers when any rocker lever ball has fractured at the interface of shank and flange on rocker lever.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10127382-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10127382-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- CUMMINS ISB
- CUMMINS ISB6.7

JSON: [/v1/bulletins/10127382](/v1/bulletins/10127382)

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