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Service bulletin PIP4663B

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 id10112554
Published by NHTSA2017-08-15
Manufacturer's numberPIP4663B
Manufacturer's date2012-11-07
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING

NHTSA's summary

This Preliminary Information communication provides information to the technician with the procedure for the modification when replacing the motor mounts. Technician will need to remove the original exhaust heat shield and drill a hole in it for the top locating pin. Technician will also cut off the lower locating pin.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Exhaust and emissions

Vehicles listed
CADILLAC CTS2004, 2005, 2006, 2007

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

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