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Message d'origine par : hjoab ,

Titre:

Why is there oil inside/below the air filter housing?

Texte:

recently looking for oil leaks on my MB 300D w123 I realized that under the air filter housing around the hose that comes from the motor head, there is a lot of oil as well as inside of it at its bottom. Where does it come from?

Appareil:

Mercedes W123

Statut:

open