WenmarOpen by Wenmar Pro

Service bulletin FSB-293-016

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 id10048539
Published by NHTSA2012-12-28
Manufacturer's numberFSB-293-016
Manufacturer's date2012-11-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

MACK TRUCK: THE OLD OIL SUPPLY LINE, FOR EXHAUST GAS RECIRCULATION (EGR) VALVE, WAS REPLACED WITH NEW OIL SUPPLY LINE WITH MACHINED FITTING BRAZED ON END OF TUBE PREVENTING LEAKAGE ON OIL FILTER HOUSING. MODELS CXU, GU. NO MODEL YEARS LISTED. *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, Exhaust and emissions, EGR valve

Vehicles listed
MACK GRANITE (GU)2013
MACK PINNACLE (CXU)2013

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