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Service bulletin 602

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 id614837
Published by NHTSA2000-12-14
Manufacturer's number602
Manufacturer's date2000-04-01
NHTSA componentSUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM

NHTSA's summary

SUBJECT REGARDING CAB AIR SUSPENSION HEIGHT ADJUSTMENT. *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, Air suspension

Vehicles listed
STERLING A LINE
STERLING L LINE

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