Mercedes-Benz Forum banner

1 - 6 of 6 Posts

·
Registered
'95 E320 Wagon & '98 BMW M3
Joined
·
754 Posts
I believe it’s part of the vacuum system... the hose going to the drivers side (behind the MAF) connects to a vacuum pump. I’d have to double check on my wagon. I’m guessing its a one way check that connects just behind the TB plate.

Vacuum pump fail and can introduce oil... disconnect the line at the firewall and see if there’s oil inside.
 

·
Registered
02/97 W202 C280 | 06/11 W212 E350 4matic
Joined
·
186 Posts
Discussion Starter · #5 · (Edited)
I believe it’s part of the vacuum system... the hose going to the drivers side (behind the MAF) connects to a vacuum pump. I’d have to double check on my wagon. I’m guessing its a one way check that connects just behind the TB plate.

Vacuum pump fail and can introduce oil... disconnect the line at the firewall and see if there’s oil inside.
I followed the line from the ”leak” to the brake booster

EDIT: On a different note, I felt a breeze coming from the ac inlet and the blower motor was on? Might have to make another post about that

EDIT2: wasn’t able to replicate the issue in the first edit, kinda weird
 
1 - 6 of 6 Posts
Top