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Service bulletin A21010D

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 id10186013
Published by NHTSA2021-01-30
Manufacturer's numberA21010D
Manufacturer's date2021-01-23
NHTSA componentEQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

ServiceNews Article - Before replacing a compressor or discharge hose for pressure leaks or not blowing cold, verify that no fibers are found on the O-rings section of the hose at the bulkhead of the vehicle. If found, remove the fibers and replace the O-rings, then recharge the A/C system.

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, Heating and air conditioning

Vehicles listed
HONDA CR-V2017, 2018, 2019, 2020

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

Recalls for the same vehicles and component
23V5240002023-07-27. EQUIPMENT:OTHER:LABELS
19V6940002019-09-26. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
17V2560002017-04-18. EQUIPMENT:OTHER:LABELS

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
ATI&022920249062024-03-04. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics & 2020-2022 CR-Vs with a customer complaint of the center display flickering, flashing, or frozen. To better understand the cause of this condition, AHM would like to collect information from the vehicle prior to you attempting a repair of any kind.
ATI&021520249012024-02-27. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics & 2020-2022 CR-Vs with a customer complaint of the center display flickering, flashing, or frozen. To better understand the cause of this condition, AHM would like to collect information from the vehicle prior to you attempting a repair of any kind.
A23-0402024-02-03. Service bulletin. Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement, the compressor shaft seal may leak. American Honda is extending the warranty on the A/C compressor shaft seal from the original 3 years to 10 years from the original date of purchase, with no mileage limitation. The new refrigerant and oil may cause swelling of the compressor shaft seal. The swelling may lead to abnormal wearing of the seal which may increase seal gaps around the compressor shaft allowing refrigerant to leak out.
A23-0402023-10-07. Service bulletin. Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement the compressor shaft seal may leak. American Honda is extending the warranty on the A/C compressor shaft seal from the original 3 years to 10 years from the original date of purchase, with no mileage limitation. The new refrigerant and oil may cause swelling of the compressor shaft seal. The swelling may lead to abnormal wearing of the seal which may increase seal gaps around the compressor shaft allowing refrigerant to leak out.
ONL6A5061220232023-06-21. Service bulletin. Owner Notification Letter - Due to a new North America regulation that introduced a new refrigerant and oil requirement, the compressor shaft seal may leak. The new refrigerant and oil may cause swelling of the compressor shaft seal. The swelling may lead to abnormal wearing of the seal which may increase seal gaps around the compressor shaft allowing refrigerant to leak out.
A23-0402023-06-21. Service bulletin. Service Bulletin - Due to a new North America regulation that introduces a new refrigerant and oil requirement, the compressor shaft seal may leak. The new refrigerant and oil may cause swelling of the compressor shaft seal. The swelling may lead to abnormal wearing of the seal, which may increase seal gaps around the compressor shaft allowing refrigerant to leak out. American Honda is extending the warranty on the A/C compressor shaft seal from the original 3 years to 10 years from the original date of purchase, with no mileage limitation.
A23-0402023-05-31. Service bulletin. Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement the compressor shaft seal may leak. American Honda is extending the warranty on the A/C compressor shaft seal from the original 3 years to 10 years from the original date of purchase, with no mileage limitation. The new refrigerant and oil may cause swelling of the compressor shaft seal. The swelling may lead to abnormal wearing of the seal which may increase seal gaps around the compressor shaft allowing refrigerant to leak out.
ABOM051920239012023-05-31. Service bulletin. Dealer Message - Due to supplier process concerns, the A/C compressor may not have been manufactured to specifications. As a result, abnormal wearing of the rubber seal may occur causing gaps in the compressor shaft to develop allowing refrigerant to leak out.
A23-0152023-04-20. Service bulletin. Service Bulletin - Customers have complained of the air conditioning system not blowing cold air due to the oil/refrigerant leak from the A/C compressor main shaft seal.
ATI&112820229072022-12-06. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.