Strange "deposit" found in air cleaner
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Some people incorporate a bypass, so this goop is either discharged outside the AC housing or captured in a catch-can. Many posts on this, several with pics.
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I doubt that an internal-to-AC-housing catch can would restrict airflow to engine in any measurable way.
Ditto for diverting that oily snot out of the AC housing. That’s probably best solution for engine and worst for EPA.
Either keeps the oily snot from getting into engine.
Attached pic is one example of many found in other threads in this forum
Ditto for diverting that oily snot out of the AC housing. That’s probably best solution for engine and worst for EPA.
Either keeps the oily snot from getting into engine.
Attached pic is one example of many found in other threads in this forum
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OP - Here is a link to a discussion on all things "bypass": https://www.hdforums.com/forum/milwa...n-your-m8.html