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Service bulletin 01987

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 id10006912
Published by NHTSA2004-05-19
Manufacturer's number01987
Manufacturer's date2004-01-01
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

LS6 6SP MANUAL TRANSMISSION CTS-V DRIVELINE CLUNK DURING LOW SPEED MANUEVERS. *MR

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
CADILLAC CTS2004

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

Other bulletins for the same vehicles and component
0207300022002-06-20. Service bulletin. INFORMATION ON 5L40E AUTOMATIC TRANSMISSION OPERATING CHARACTERISTICS. *SLC *AR