# Service bulletin TIBU\-7549

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: 10055685
- Published by NHTSA: 2014\-07\-03
- Manufacturer's number: TIBU\-7549
- Manufacturer's date: 2014\-04\-09
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

## NHTSA's summary

CATERPILLAR: SOME TRUCKS, IF AN INTERNAL OIL SEAL \(HIGH PRESSURE TURBO\), IS CONTAMINATED WITH ENGINE COOLANT, ITS SUSCEPTIBLE TO DAMAGE, AFTER THE EGR COOLANT FAILS AND NEEDS TO BE INSPECTED. \*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, Turbocharger or supercharger

## Vehicles listed

- 2012 to 2014 CATERPILLAR CT660

JSON: [/v1/bulletins/10055685](/v1/bulletins/10055685)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20TIBU-7549&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10055685&vehicle=Service%20bulletin%20TIBU-7549)