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Service bulletin 3224

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 id608268
Published by NHTSA1999-11-15
Manufacturer's number3224
Manufacturer's date1999-07-01
Replaces3224
NHTSA componentSUSPENSION

NHTSA's summary

INFORMATION ON THE NEW HEIGHT CONTROL VALVE ADJUSTMENT. THIS BULLETIN REPLACES THE VERSION DATED FEBRUARY 1998. *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

Suspension

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

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