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Service bulletin 05170001

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 id10019041
Published by NHTSA2006-02-10
Manufacturer's number05170001
Manufacturer's date2006-01-01
Replaces06170001A
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

NHTSA's summary

ENGINE COOLING - MECHANICAL FAN DRIVE V-BELT ALIGNMENT. SPARTAN K2 AND K3 CHASSIS MODELS EQUIPPED WITH A MECHANICALLY DRIVEN ENGINE COOLING FAN, MANUFACTURED THROUGH SEPTEMBER 22, 2005. MISALIGNED PULLEYS MAY CAUSE DRIVE BELTS TO COME OFF. *TT

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, Drive belts

Vehicles listed
SPARTAN K22004 to 2005
SPARTAN K32004 to 2005

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