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Service bulletin WB9812

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 id603340
Published by NHTSA1999-02-18
Manufacturer's numberWB9812
Manufacturer's date1998-05-01
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY

NHTSA's summary

INSTALLATION OF FOUR REINFORCEMENT CORNERS ON THE TAG AXLE. *YC

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

Transmission and driveline, Axle

Vehicles listed
PREVOST H3-401990 to 1996

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