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Service bulletin 20NA020

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 id10178963
Published by NHTSA2020-08-31
Manufacturer's number20NA020
Manufacturer's date2020-07-09
NHTSA componentSERVICE BRAKES, AIR:DISC:PADS

NHTSA's summary

This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing.

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 pads

Vehicles listed
CHEVROLET SILVERADO 25002020 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002020 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002020 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002020 (the catalog's model; the bulletin names a series or trim of it)

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