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Service bulletin PI 0836

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 id10083327
Published by NHTSA2016-10-21
Manufacturer's numberPI 0836
Manufacturer's date2014-07-17
NHTSA componentENGINE

NHTSA's summary

CRD 150/151 CARRIER INSPECTION COVER, REPLACEMENT, A MANUFACTURING DEFECT HAS BEEN IDENTIFIED AFFECTING CARRIERS BUILT FROM DECEMBER 2012 THROUGH JANUARY 2013. THE ISSUE IS MOLDING FLASH THAT MAY BE EXTENDING INTO THE O-RING GROOVE AT THE 12 AND 6 O'CLOCK POSITIONS OF THE COMPOSITE SIDE COVER. THIS FLASH MAY CUT INTO THE O-RING AND CAUSE IT TO DISTORT AND RESULTING IN OIL LEAKAGE. IT IS RECOMMENDED THAT THE COVER BE REPLACED TO CORRECT THIS CONDITION.

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 CHU2013 to 2014
MACK CXU2013 to 2014
MACK GU2013 to 2014
MACK LEU2013 to 2014
MACK MRU2013 to 2014
MACK TD2013 to 2014

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