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Service bulletin PI-0812

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 id10051570
Published by NHTSA2013-03-19
Manufacturer's numberPI-0812
Manufacturer's date2013-02-01
NHTSA componentSUSPENSION:REAR

NHTSA's summary

MACK TRUCKS: REAR SUSPENSION ADJUSTMENT WASHERS. REPLACEMENT OF THE SUSPENSION ADJUSTMENT WASHERS IS REQUIRED. *JS

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
MACK CHU2006 to 2010
MACK CHU2013
MACK CXU2006 to 2010
MACK GRANITE (GU)2012 to 2013
MACK GU2006 to 2011
MACK PINNACLE (CHU)2011 to 2012
MACK PINNACLE (CXU)2011 to 2013
MACK TD2012

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