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Service bulletin 27WT95

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 id46847
Published by NHTSA1996-04-25
Manufacturer's number27WT95
Manufacturer's date1995-12-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

RETARDER FLOW VALVE SPRING REDUCES THE CHANCE OF THE RETARDER STICKING IN THE 'ON' POSITION. *SD

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
ALLISON DIV ALLISON DIV

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