# Service bulletin 21\-NA\-210

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: 10242109
- Published by NHTSA: 2023\-09\-09
- Manufacturer's number: 21\-NA\-210
- Manufacturer's date: 2023\-08\-11
- NHTSA component: ENGINE AND ENGINE COOLING; EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

## NHTSA's summary

This service bulletin provides information on observing visible cracks on A/C Evaporator Hose and that it is a normal condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242109-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242109-9999.pdf)

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

## Components

Engine, Equipment and accessories, Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- 2022 to 2023 CHEVROLET BOLT EUV
- 2017 to 2023 CHEVROLET BOLT EV

## Recalls for the same vehicles and component

- [2021631](/recalls/tc/2021631.md), 2021-10-14: Accessories
- [2018158](/recalls/tc/2018158.md), 2018-04-04: Visual System

## Other bulletins for the same vehicles and component

- [24\-NA\-164](/bulletins/11017050.md), 2025-04-15, Service bulletin: VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
- [24\-NA\-164](/bulletins/11015215.md), 2025-03-06, Service bulletin: VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
- [21\-NA\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin: VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. 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.
- [21\-NA\-043](/bulletins/11011709.md), 2024-12-10, Service bulletin: STRUCTURE:BODY; WHEELS; ENGINE; SERVICE BRAKES; UNKNOWN OR OTHER. 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\-164](/bulletins/11008000.md), 2024-09-25, Service bulletin: VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
- [23\-NA\-044](/bulletins/11007721.md), 2024-09-11, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This service bulletin provides information on AGM batteries that require less frequent charging in storage.
- [PI0754G](/bulletins/11006511.md), 2024-08-17, Service bulletin: VISIBILITY/WIPER. This PI provides information on Rear and Side Tempered Glass Spots \(Quench Marks\) and that they are a normal characteristic.
- [12\-01\-37\-001G](/bulletins/11006290.md), 2024-08-13, Service bulletin: ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information to dealership personnel on a new refrigerant \(R1234yf\) for A/C service.
- [16\-NA\-342](/bulletins/11006284.md), 2024-08-13, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY/WIPER. This service bulletin provides a procedure to check the rearview mirror coax connector for looseness by disconnecting and reconnecting the electrical connector to correct the customers concern for the rearview mirror video screen displaying blue.
- [17\-NA\-157](/bulletins/11005339.md), 2024-07-30, Service bulletin: ENGINE. This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter.

JSON: [/v1/bulletins/10242109](/v1/bulletins/10242109)

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