Replace the brake vacuum booster pump for Quanshun
FayLucius 
4 
This is the oil leakage from the oil nozzle seal, which is only about 20,000 kilometers. Ignore it and continue to run.
Inlet and outlet O-rings. These two O-rings are very important. Check to see if they have been deformed. I am still fine and don’t need to change them.
It was removed, and the shaft oil seal leaked.
Change it into your future.
Newly purchased vacuum booster pump, domestic.
There’s a lot of oil leaking.
The leaking oil splashed all over the cabin under the action of the pulley.
Splastered oil
Oil leakage under the vacuum booster pump.
demolished
Look at the oil leak.
look here
here
French products leak oil about 20,000 kilometers.
The car was bought in 14 years. After using it for 20,000 kilometers, it was discovered that oil was leaking from the oil nozzle and the brake vacuum booster pump. It has been observed and not dealt with it. Last year, I traveled a long distance in the mountains and went home to inspect the car and found that the vacuum booster pump leaked so badly that I had to replace it.
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