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Service bulletin SB-214063

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 id10032044
Published by NHTSA2010-02-12
Manufacturer's numberSB-214063
Manufacturer's date2009-06-03
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

NHTSA's summary

MACK TRUCK: NEW DRV AIR LINE ROUTING. TRUCKS MAY DEVELOP AN OIL LEAK IN THE TURBOCHARGER OIL DRAIN TUBE DUE TO ABRASION FROM THE STAINLESS BRAIDED DRV AIR LINE. THE STAINLESS BRAIDED AIR SUPPLY LINE TO THE DISCHARGE RECIRCULATION VALVE IS LOCATED ON THE HOT SIDE OF THE ENGINE ON MP7 MODELS AND HAS BEEN SECURED TO THE TURBOCHARGER OIL DRAIN TUBE WITH CABLE TIES. NO MODELS OR 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, Turbocharger or supercharger

Vehicles listed
MACK MACK

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