Sirspidey Posted November 9, 2017 Share Posted November 9, 2017 Hi all been a while since I had to post, but I have a little problem I need help with please. I have a blob wrx, I recently changed the radiator and a silicone pipe kit. All went well and everything seems fine, until yesterday when at full boost with foot down there is quite a loud sounds of air rushing. Take foot of and apply brakes and the brake pedal feels hard to start then as revs drip goes back to normal. So I assume an air/vacuum leak somewhere. I happened to be passing my mechanic and we had a very quick look, all my pipe work seems good and the only think we could see was the y hose had a bit of a bulge at the end after the hose clip. My question is, could a leaky ic hose cause the break pedal to stiffen up or should I be looking elsewhere? Must admit I have heard a very slight air noise from centre of car before, but thought nothing of it. Many thanks Quote Link to comment Share on other sites More sharing options...
Sirspidey Posted November 9, 2017 Author Share Posted November 9, 2017 Think I know what I’ve done. I changed the vacuum line to brake booster and didn’t realise there is a check valve inside the old pipe that I haven’t replaced, but would not having one in place cause the air whooshing noise on full boost? Quote Link to comment Share on other sites More sharing options...
Sirspidey Posted November 10, 2017 Author Share Posted November 10, 2017 Put original pipe back on last night, will test it later. Hopefully that’s sorted the problem 🤞 Quote Link to comment Share on other sites More sharing options...
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