# Service bulletin TIBU8452\-01

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: 10089398
- Published by NHTSA: 2017\-01\-24
- Manufacturer's number: TIBU8452\-01
- Manufacturer's date: 2015\-09\-21
- NHTSA component: ENGINE

## NHTSA's summary

CT11 AND CT13 CYLINDER HEAD CRACK INSPECTION GUIDE \- CT11 AND CT13 CYLINDER HEADS ARE CRACKING IN THE FIELD. THIS TECHNICAL INFORMATION BULLETIN \(TIB\) PROVIDES A GUIDE FOR DETERMINING THE SEVERITY AND IMPACT OF CYLINDER HEAD CRACKS ON CT11 AND CT13 ENGINES.

## 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

- 2012 to 2017 CATERPILLAR CT660
- 2012 to 2017 CATERPILLAR CT680
- 2014 to 2017 CATERPILLAR CT681

JSON: [/v1/bulletins/10089398](/v1/bulletins/10089398)

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