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Service bulletin 18-NA-162

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 id10249604
Published by NHTSA2024-02-02
Manufacturer's number18-NA-162
Manufacturer's date2024-01-17
NHTSA componentEQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

NHTSA's summary

This technical bulletin provides a procedure for air conditioning refrigerant desiccant replacement due to A/C Not Cooling or refrigerant loss.

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

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

Vehicles listed
CHEVROLET EQUINOX2018, 2019, 2020, 2021, 2022, 2023, 2024
GMC TERRAIN2018, 2019, 2020, 2021, 2022, 2023, 2024
GMC TERRAIN NA2022 (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.

Recalls for the same vehicles and component
20181962018-04-19. Visual System
18V2520002018-04-19. STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT; VISIBILITY

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
25-NA-0452025-07-08. Service bulletin. This service bulletin provides a procedure to correct the condition of Wiper Arm Chatter Concerns.
24-NA-1642025-04-15. Service bulletin. This bulletin provides information on Wiper Blade Maintenance Tips.
24-NA-1642025-03-06. Service bulletin. This bulletin provides information on Wiper Blade Maintenance Tips.
25-NA-0272025-02-19. Service bulletin. This service bulletin provides service procedures to correct Windshield Wiper Arm Clearing and Interference Concerns.
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.
24-NA-2592024-12-20. Service bulletin. This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.
24-NA-1642024-09-25. Service bulletin. This bulletin provides information on Wiper Blade Maintenance Tips.
PI0754G2024-08-17. Service bulletin. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
23-NA-0642024-05-02. Service bulletin. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
20-NA-1322024-04-23. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.