WenmarOpen by Wenmar Pro

Service bulletin TIBU-7573

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 id10055687
Published by NHTSA2014-07-03
Manufacturer's numberTIBU-7573
Manufacturer's date2014-04-30
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

CATERPILLAR: THE EXCESSIVE EXHAUST TEMPERATURES ARE CAUSED BY BOOST LEAKS, TYPICALLY, DUE TO CRACKING TURBOCHARGER TURBINE HOUSING, ON CERTAIN ACERT TRUCKS. *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
CATERPILLAR CATERPILLAR

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