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Service bulletin SB-42-2

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 id10032686
Published by NHTSA2010-04-28
Manufacturer's numberSB-42-2
Manufacturer's date2008-01-01
NHTSA componentFUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

NHTSA's summary

THOMAS BUILT: RESERVOIR INTERNAL/EXTERNAL CHECK VALVE. CONTAMINATION IN THE WET/SECONDARY RESERVOIR, P/N 12-15476-00, MAY CAUSE THE INLINE CHECK VALVE TO BECOME CLOGGED OR STUCK CLOSED. THIS CAN RESULT IN INSUFFICIENT AIR BUILDUP. NO MODEL YEARS LISTED. *PE

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

Fuel system, Fuel tank

Vehicles listed
THOMAS BUILT BUSES SAF-T-LINER C22000 to 2011

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