Engine Crankcase Breather Filter (Honda Civic 1999 D16Y7).

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Introduction: Engine Crankcase Breather Filter (Honda Civic 1999 D16Y7).

About: Update 12 September 2017: A very special thanks to Sam Elder, a manager here at Instructables, who tracked down the cause of my lost publications and fixed the issue. Take a bow Sam!

When I had installed my simple warm air intake for improved fuel economy, my crankcase breather no longer had properly filtered air.

Although the engine has worked fine, I decided to put a simple filter to allow clean air into the breather.

Step 1: Installing the Mini Air Filter.

This filter is actually a low cost fuel filter. It works great for air though. Now the crankcase can breath properly.

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    2 Discussions

    Isnt that like an exhaust for oil vapor to get out?

    1 reply