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Found a broken pipe while removing the front bumper. What is it?
I own a w212 facelift E250 cdi. While removing the front bumper and right headlamp i noticed a broken red pipe at the bottom with oil leaking from it. What exactly is it and what are the symptoms of sich damage? The car has no issues and errors showing up.
Can it be repaired? Is it expensive to replace?
2015 SL400 (M276 Turbo), 2014 C350 Sport (M276 NA), 2004 SL500 (M113), 2004 Audi TT225 (BEA)
Broken how? It's hard to see.
But, I can only guess that it is somehow connected to the turbo on the intake side. Often the PCV system, which recirculates crankcase vapors and vents them into the intake between the MAF (or equivalent) and the intake manifold (or turbo), collects and condenses oil vapor into droplets that collect at the bottom of that pipe.
If it is truly "broken" you should get some sort of error and CEL if there is unmetered air reaching the engine. But, if just the hose clamp broke or came loose, there may not be enough leakage to matter.
But, I can only guess that it is somehow connected to the turbo on the intake side. Often the PCV system, which recirculates crankcase vapors and vents them into the intake between the MAF (or equivalent) and the intake manifold (or turbo), collects and condenses oil vapor into droplets that collect at the bottom of that pipe.
If it is truly "broken" you should get some sort of error and CEL if there is unmetered air reaching the engine. But, if just the hose clamp broke or came loose, there may not be enough leakage to matter.
You bought the car used, correct ?
That is OM651 charge air cooler ( aftercooler ) air hose.
Previous owner probably had a leak and use that fiberglass cloth and resin to patch the hole.
Sure inside that hose has oil, because overtime your positive crankcase ventilation system contribute a bit of oil into the air stream.
Here is how the hose is like when new and stand alone https://mercedesgenuineparts.co.uk/p...-diesel-engine
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