Dongfeng Volvo 14-speed gearbox makes noise when idling

Are you asking "Why does Dongfeng Volvo's 14-speed gearbox make a noisy idle speed?" Its possible causes are as follows:

1. Insufficient oil: Insufficient transmission oil may cause the transmission to make a gurgling sound when idling.

2. Wear of gearbox parts: Wear or damage to parts inside the gearbox will cause noise during idling.

3. Transmission control system failure: Failure of the transmission control system may also cause the transmission to make noise when idling.