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Service bulletin WB13-48A

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 id10110665
Published by NHTSA2017-08-04
Manufacturer's numberWB13-48A
Manufacturer's date2013-08-28
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING

NHTSA's summary

On the vehicles affected by this bulletin a weld may be missing on a coolant piping support located on the retarder oil cooler support. In a first step, inspect the support for the presence of the weld. If there is no weld, perform the replacement of the piping support.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Cooling system

Vehicles listed
PREVOST H3-452013
PREVOST H3-VIP2013

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