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Service bulletin PI-0795

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 id10045821
Published by NHTSA2012-09-18
Manufacturer's numberPI-0795
Manufacturer's date2012-08-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

MACK TRUCK: AFTERTREATMENT DIESEL PARTICULATE FILTER (DPF) INLET PIPE MAY POSSIBLY EXHIBIT AN EXHAUST LEAK. TO IMPROVE SEALING FUNCTION OF DPF INLET PIPE, THE DPF INLET PIPE FLANGE WAS MODIFIED. MODEL GU. MODEL YEARS 2011-12. *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

Engine

Vehicles listed
MACK GRANITE (GU)2012
MACK GU2011

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