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Service bulletin 431011

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 id603309
Published by NHTSA1999-02-17
Manufacturer's number431011
Manufacturer's date1998-09-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

COMPANION FLANGE REMOVAL AND INSTALLATION PROCEDURES. *YC

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
VOLVO VOLVO TRUCK

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