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Service bulletin SB 493002

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 id10025566
Published by NHTSA2008-08-21
Manufacturer's numberSB 493002
Manufacturer's date2008-05-19
NHTSA componentPOWER TRAIN:DRIVELINE

NHTSA's summary

REVISED FASTENERS FOR TELMA YOKE AND ROTOR-TO-COMPANION FLANGE - GU, MRU AND LEU MODELS WITH TELMA RETARDER. *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

Transmission and driveline

Vehicles listed
MACK GU2007 to 2008
MACK LEU2008
MACK MRU2008

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