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Service bulletin MI13-33

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 id10131543
Published by NHTSA2018-04-02
Manufacturer's numberMI13-33
Manufacturer's date2013-05-16
NHTSA componentSUSPENSION:MULTIPLE AXLE:TORQUE ARM

NHTSA's summary

This Maintenance Information explains that polyester reinforced silicone hoses and elbowscan be repalced by aramid reinforced hoses and elbows for improved long term durability, and that constant torque hose clamps for silicone hoses with 5/8po, 3/4po, 7/8po, 1 1/8po and 1 3/8po inside diameter (I.D) can be replaced by new WAVE SEAL type constant torque hose clamps.

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

Suspension

Vehicles listed
PREVOST H3 VIP2007 to 2008
PREVOST H3-412007 to 2013
PREVOST H3-452007 to 2013
PREVOST H3-VIP2009 to 2013
PREVOST W52007 to 2009
PREVOST W52011
PREVOST WE2007 to 2013
PREVOST X32007 to 2013

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