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Service bulletin PI1251A

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 id10112781
Published by NHTSA2017-08-15
Manufacturer's numberPI1251A
Manufacturer's date2016-03-08
NHTSA componentEQUIPMENT

NHTSA's summary

This preliminary informational bulletin provides a procedure to apply thread locker to the catalytic converter bolts for vehicles with the condition of a knock, rattle, or ping noise from under the vehicle into the passenger compartment

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

Equipment and accessories

Vehicles listed
CADILLAC ATS2013, 2014
CADILLAC CTS2014

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

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