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Service bulletin 3320

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 id614454
Published by NHTSA2000-10-17
Manufacturer's number3320
Manufacturer's date2000-08-01
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY

NHTSA's summary

SUBJECT REGARDING TORQUE REDUCTION FOR AXILOK AND PRO-TORQ SPINDLE NUTS. *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

Transmission and driveline, Axle

Vehicles listed
FREIGHTLINER ARGOSY
FREIGHTLINER BUSINESS CLASS
FREIGHTLINER CARGO
FREIGHTLINER CENTURY
FREIGHTLINER COLUMBIA
FREIGHTLINER FLA
FREIGHTLINER FLB
FREIGHTLINER FLC-112
FREIGHTLINER FLD

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