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Service bulletin PSB-12

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 id10033705
Published by NHTSA2010-09-13
Manufacturer's numberPSB-12
Manufacturer's date2008-01-30
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

NHTSA's summary

THOMAS BUILT BUSES: EXHAUST PIPE SUPPORT HANGER IMPROVEMENT. AN IMPROVED EXHAUST PIPE SUPPORT HANGER, #TBB 140672 IS AVAILABLE FOR UNITS THAT HAVE BENT OR BROKEN HANGER. *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

Engine, Exhaust and emissions, Exhaust manifold, pipes and muffler

Vehicles listed
THOMAS BUILT BUSES MVP-EF2008 to 2009

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