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Service bulletin 18NA038

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 id10137322
Published by NHTSA2018-05-21
Manufacturer's number18NA038
Manufacturer's date2018-02-14
NHTSA componentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR; SERVICE BRAKES, AIR:DISC:ROTOR

NHTSA's summary

This technical bulletin provides a procedure to replace the rear brake rotors to correct a condition of Squeak/Squeal Type Noise Heard at Low Speeds During Brake Apply due to moisture build up on the rotors.

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

Brakes, Brake rotor

Vehicles listed
CADILLAC ESCALADE2015, 2016, 2017, 2018
CADILLAC ESCALADE ESV2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV2017, 2018
CHEVROLET SUBURBAN2015, 2016, 2017, 2018
CHEVROLET TAHOE2015, 2016, 2017, 2018
GMC YUKON2015, 2016, 2017, 2018
GMC YUKON XL2015, 2016, 2017, 2018

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