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Service bulletin 4WT00B

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 id625195
Published by NHTSA2001-11-19
Manufacturer's number4WT00B
Manufacturer's date2001-08-01
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

INFORMATION REGARDING WT PRODUCT CHANGES FOR CY2000 TRANSMISSIONS. *SLC

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, Manual transmission

Vehicles listed
ALLISON DIV ALLISON DIV

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