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Service bulletin SF596

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 id10172169
Published by NHTSA2020-03-06
Manufacturer's numberSF596
Manufacturer's date2020-03-05
NHTSA componentEQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; STEERING

NHTSA's summary

Field Service Campaign for FCCC Bus Chassis Drag Link Interference. Certain vehicles may experience interference between the front spring hanger bracket and the drag link during a right-hand turn. Vehicles will be inspected to determine if there is adequate clearance between the spring hanger bracket and the drag link. If clearance is not adequate, the pitman arm will be replaced.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Steering

Vehicles listed
FCCC S22017 to 2020
THOMAS BUILT BUSES SAF-T-LINER C22017 to 2020

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