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Service bulletin PIL-551

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 id10041588
Published by NHTSA2011-10-11
Manufacturer's numberPIL-551
Manufacturer's date2011-09-01
NHTSA componentSUSPENSION

NHTSA's summary

MERITOR: EFFECTIVE 10/1/11 ALL MERITOR TRAILER SUSPENSION SYSTEM PRODUCTS WILL HAVE NEW SUSPENSION MODEL NOMENCLATURE. *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

Suspension

Vehicles listed
ARVINMERITOR MPA

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