jaxno5

hi just bought type r v3 1997 and its loosing water but dont know where ,it comes up to temp nicely ,no water in oil and no oil in water seems to be a bit of water below alloy header on engine hard to tell there were bits of black rubber in header looks like inside of pipe bits only seems to loose water after booting it car runs fine .temp never gone past halfway ,can someone explain expansion tank in wing when i blow in the small expansion bottle water comes from tank in wing is this right your help much appreciated