How long does it take for Dongfeng Yufeng diesel to exhaust?

It takes 5 to 10 minutes. If there is no oil leakage or replacement of the booster pump, steering gear and oil pipe, there will be no air in the steering gear booster pump. If the oil pipe, steering gear and booster pump are replaced, the rear needs to be vented. First of all, after putting the accessories back, just fill up the oil pot and start the car to the highest scale. Air will be automatically discharged from the oil return pipe, which takes 5 to 10 minutes.