WenmarOpen by Wenmar Pro

Service bulletin 22NA026

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 id10212638
Published by NHTSA2022-05-31
Manufacturer's number22NA026
Manufacturer's date2022-01-28
NHTSA componentSERVICE BRAKES

NHTSA's summary

This service bulletin provides information for dealers/technicians on Brake Pulsation, Noise and/or Visible Pitting Condition to Brake Rotor Surface.

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

Vehicles listed
CHEVROLET CORVETTE2022

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

Other bulletins for the same vehicles and component
25-NA-0652025-04-24. Service bulletin. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
17-NA-2712024-12-19. Service bulletin. This service bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customer concern of wheel clicking.
21-NA-0432024-12-10. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
24-NA-0312024-11-16. Service bulletin. This service bulletin provides information for having brake pulsation and/or repeat brake pulsation.
22-NA-0262024-11-15. Service bulletin. This service bulletin provides information for dealers/technicians on Brake Pulsation, Noise and/or Visible Pitting Condition to Brake Rotor Surface.
17-NA-2392024-11-14. Service bulletin. This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time.
16-NA-0592024-11-14. Service bulletin. This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper.
PIC6429B2024-10-25. Service bulletin. This Preliminary Information communicates information on resolving noise issues related to the brakes on this vehicle.
22-NA-2442024-05-30. Warranty extension. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.