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Service bulletin 20NA146

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 id10178979
Published by NHTSA2020-08-31
Manufacturer's number20NA146
Manufacturer's date2020-07-29
NHTSA componentSTRUCTURE; SUSPENSION:FRONT:WHEEL BEARING

NHTSA's summary

THis technical bulletin provides a procedure to apply tape to correct the condition of Front End Noise While Driving at Highway Speeds.

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

Body and frame, Suspension, Wheel bearing

Vehicles listed
CHEVROLET BLAZER2020

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