Quote:
Originally Posted by biggieB15z33
I checked and the hose is connected to the check valve bro
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You can blow in the check valve to make sure it functions. (obously, it should blow towards the manifold, and not towards the booster)
But yeah.... my KA does it. Any car with vaccum assisted brakes will do it. Maybe you're feeling it more strongly because there really is no vaccum if you're revving into boost. And if the check valve doesn't work right, you could be forcing boost into the booster, and actually having the assist fight you instead of help. At least, that's my understanding of it.