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Service campaign FSC 24-02-6055

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 campaign
NHTSA id11005328
Published by NHTSA2024-07-30
Manufacturer's numberFSC 24-02-6055
Manufacturer's date2024-07-29
NHTSA componentFUEL/PROPULSION SYSTEM

NHTSA's summary

Allison Transmission equipped buses were built without a pressure regulator at the Solenoid inlet to the transmission retarder accumulator air inlet. This bulletin provides retrofit instructions for installing a pressure regulator to remedy leaks at the solenoid air exhaust.

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

Fuel system

Vehicles listed
GILLIG LOW FLOOR2023 to 2024

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