# Service bulletin 21NA122

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.

- Type: Service bulletin
- NHTSA id: 10205551
- Published by NHTSA: 2021\-12\-27
- Manufacturer's number: 21NA122
- Manufacturer's date: 2021\-11\-05
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; EQUIPMENT

## NHTSA's summary

This technical bulletin provides a procedure to replace the radiator brackets if found loose and the cause of the customers concern.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10205551-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10205551-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Equipment and accessories, Cooling system, Radiator

## Vehicles listed

- 2020 to 2022 CHEVROLET EQUINOX
- 2020 to 2021 GMC TERRAIN
- 2022 GMC TERRAIN NA

## Other bulletins for the same vehicles and component

- [19NA098](/bulletins/10171891.md), 2020-03-02, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; EQUIPMENT. This technical bulletin provides a procedure to add flocking to tape the radiator mount sleeves to reduce the knocking noise caused by the excessive movement.
- [PIT5678A](/bulletins/10162170.md), 2019-07-08, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. This Preliminary information communicates an issue with the radiator lower mount that sounds as if it is coming from behind the front wheels.

JSON: [/v1/bulletins/10205551](/v1/bulletins/10205551)

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