# Service bulletin TSB\-10T10\-4

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: 10032618
- Published by NHTSA: 2010\-04\-20
- Manufacturer's number: TSB\-10T10\-4
- Manufacturer's date: 2010\-01\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL

## NHTSA's summary

CUMMINS: NEW TURBOCHARGERS. SERVICE/PARTS TOPIC ANNOUNCES A NEW TURBINE WHEEL TO ADDRESS A HIGH CYCLE FATIGUE \(HCF\) ISSUE FOR TURBOCHARGERS ON CPL 2919 AND CPL 2734 ENGINES. THE NEW WHEEL DESIGN GEOMETRY LOWERS THE STRAIN IN THE BLADE UNDER DIFFERENT MODES OF VIBRATION INDUCED IN THE VARIABLE GEOMETRY TURBINE HOUSINGS, RESULTING IN A LONGER HIGH CYCLE FATIGUE \(HCF\) LIFE. NO MODEL YEARS LISTED. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine

## Vehicles listed

- CUMMINS ISX
- CUMMINS QSX15

JSON: [/v1/bulletins/10032618](/v1/bulletins/10032618)

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