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Service bulletin PI-0844

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 id10055960
Published by NHTSA2014-08-06
Manufacturer's numberPI-0844
Manufacturer's date2014-04-01
NHTSA componentSERVICE BRAKES

NHTSA's summary

MACK: THERE IS A NEW PRESSURE REDUCTION VALVE TO REPLACE THE CURRENT INVERSION VALVE IN SOME MACK LEU TRUCKS BUILT BETWEEN 08/15/2012-11/05/2012. *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

Brakes

Vehicles listed
MACK MACK

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