27-02-2013, 11:10 AM
hi folks small query latley ive noticed a little pressure when i slacken my exspansion tank lid a few weeks ago after a journey you could squeeze the top radiator hose the one running from the thermostat housing there was little to no pressure in it but lately after a journey there is a little pressure in it its not a lot but something that concerning me,
when you unscrew the cork a little bit you can hear the air hiss out for a couple seconds and then stops no water comes out though not loosing any water yet either.
is this a sign of head gasket on its way out? should i decrease boost and fuelling to prolong the life of it im currently running around 21psi.
when you unscrew the cork a little bit you can hear the air hiss out for a couple seconds and then stops no water comes out though not loosing any water yet either.
is this a sign of head gasket on its way out? should i decrease boost and fuelling to prolong the life of it im currently running around 21psi.