Quote:
Originally Posted by dren
The check valve is a few inches after the bend towards the engine. It is about an inch long.
And now that I think about it, the check valve just makes sure you have power brakes if the engine dies when driving. It's a safety feature. I'll definitely get a replacement.
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I ran without a check valve for a bit. It doesn't affect your driving unless you are driving spiritedly or on the track. Quick transitions from WOT to brakes will reveal a super hard brake pedal which will get softer after the cylinder fills with vacuum again. Def get a check valve if you do this type of driving.
I couldn't find any the right size and the hose from subaru was over $100 so I found this from another thread on here. It works perfectly and is cheap as hell:
http://www.usplastic.com/catalog/ite...rtnumber=64175
64175 is the part number. I bought a bunch.