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Service bulletin 1156A

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 id604521
Published by NHTSA1999-05-04
Manufacturer's number1156A
Manufacturer's date1999-01-01
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY

NHTSA's summary

PROCEDURES ON REPLACING FRONT AND REAR AXLE GREASE FITTINGS WITH NEW 45 DEGREE GREASE FITTING. *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, Axle

Vehicles listed
NEW FLYER NEW FLYER

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