# Service bulletin A21\-006

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: 10186656
- Published by NHTSA: 2021\-02\-03
- Manufacturer's number: A21\-006
- Manufacturer's date: 2021\-01\-27
- NHTSA component: POWER TRAIN

## NHTSA's summary

Service Bulletin \- When driving over bumps at low speed, clicks, pops, creaks, or rattles can be heard coming from the vehicle.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10186656-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10186656-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2020 HONDA CR\-V

## Other bulletins for the same vehicles and component

- [A23110A](/bulletins/10245277.md), 2023-11-16, Service bulletin: POWER TRAIN. Service News \- Some customers have complained of fluid leaking from the rear differential after it has been serviced due to over\-torqueing of the drain plugs during servicing.
- [A23\-031](/bulletins/10234580.md), 2023-04-20, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN. Service Bulletin \- The vehicle message "All Wheel Drive System Problem" is shown on the dash. The possible cause is the machining marks on the motor shaft allowed differential oil to be pulled into the motor assembly.
- [APaS06222020906](/bulletins/10176981.md), 2020-07-02, Service bulletin: POWER TRAIN. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is investigating certain 2020 CR\-Vs with a customer complaint of a clunking noise coming from the transmission mount. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
- [APaS06052020902](/bulletins/10176260.md), 2020-06-11, Service bulletin: POWER TRAIN. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is investigating certain 2020 CR\-Vs with a customer complaint of a clunking noise coming from the transmission mount. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.

JSON: [/v1/bulletins/10186656](/v1/bulletins/10186656)

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