Hello everyone, new to here and just a very simple question. Recently find a gooey stuff around a hose but no idea whats that hose going to. Been doing a lot research even the 3000pages repair manual but no clue.
it is a 2010 Mazda 3 BL 2.0L LF-VE auto.
the photo show that is seem like on top the thermostat housing and behind the waterpump? Any idea will be great! Thank you.