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Service bulletin 1399A

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 id618673
Published by NHTSA2001-04-19
Manufacturer's number1399A
Manufacturer's date2001-01-01
NHTSA componentSERVICE BRAKES, AIR

NHTSA's summary

INFORMATION ON RESTORING BRAKE RELEASE TIMING TO FMVSS 121 STANDARDS AND IMPROVING THE PARK BRAKE APPLY TIME. *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

Brakes

Vehicles listed
NEW FLYER NEW FLYER

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