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W204 OM651 Hissing

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Old Mar 30, 2023 | 03:21 AM
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omer.ehsan08's Avatar
omer.ehsan08
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W204 C180 CDI
W204 OM651 Hissing
Hello Everyone,

I bought a W204 C180 CDi and I just noticed that there is some hissing noise coming from the front bumper (passenger side). The drive is also not smooth as it jerks at low rpm and in 1st gear. To me, it sounds like the engine is a little loud and hesitating. it is only driven 67000km.

Can someone help me to figure out the problem?
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Old Mar 30, 2023 | 04:23 AM
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W204 C220CDI 2011
Possible a boost leak. Check the large pipes from the turbo to the untercooler to the inlet manifold.
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Old Apr 18, 2023 | 04:54 AM
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W204 C180 CDI
Thank you. I observe that the intercooler is itself damaged and there is a boost leak from the intercooler.
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