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Service bulletin S00DQ

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 id620091
Published by NHTSA2001-07-12
Manufacturer's numberS00DQ
Manufacturer's date2001-02-15
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

NHTSA's summary

SERVICE BULLETIN REGARDING THE COOLER AND ACCUMULATOR HOSES LEAKING THROUGH THE COVER ON ALLISON RETARDER TRANSMISSION ON 1997 - 1999 YEAR MODEL TCRE, CSRE AND QBRE SERIES BUSES EQUIPPED WITH ALLISON RETARDER TRANSMISSIONS. *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

Transmission and driveline, Automatic transmission

Vehicles listed
BLUE BIRD CSRE1997 to 1999
BLUE BIRD QBRE1997 to 1999
BLUE BIRD TCRE1997 to 1999

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