How to install Grimmspeed AOS (air oil separator) on WRX
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04-01-2013, 02:08 PM
San Jose, Ca
2002 Impreza WRX
you might want to ground those im guessing speaker wires? to something that doesn't get super hot (aka your intake manifold). might help just a thought
Originally Posted by
5. Install AOS into oil inlet.
6. Using ~9" of supplied hose, connect upper port of AOS (middle one) to turbo inlet return line.
7. Using supplied hose, connect left bottom port with "T" from crankcase.
8. Using supplied hose, connect right bottom port with TMIC hard pipe.
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