i have just sat in nearly an hour of stationary traffic in the zed, temp gauge was half way as always, the sub fan kicks in and then off after cooling it down a bit.

having had an issue with the top hose popping before, i put the heater onto full heat and check that the air that comes out is constant heat (ie to see if it changes to cold, then possible an airlock)

 

Air stayed at hot all the time, gauge didnt move, all seems good. tunr it back down to 10.

 

Park up at home, turn off, nothing weird just the usual clicks from the zorsts cooling down. Go indoors.

 

However 5 mins later, go outside and can hear water bubbling into the expansion bottle, but top rad hose feels like no pressure in it.

 

Is this common when the zed has got super warm and it dumps water into the expansion to cool itself down, then draw it back later?????

or is it something else?

 

Stu

Have not got a clue ,but welcome back from your hols

Have not got a clue ,but welcome back from your hols

 

Good to chat to you mate, will pop over tomorrow and introduce myself,

 

 

UPDATE........ Have just checked the expansion bottle and all the water is now back in the radiator, at the level it was this morning, when cold??????? How weird.....

Everyday i find out something new about zeds, Why dont they make things easy!!!!!

 

Stu

what fun would that be

the air blowers will blow hot or cold depending where the air lock is.

The tank was doing exactly what it was supposed to do, dont think about it any more or it will break for sure

The tank was doing exactly what it was supposed to do, dont think about it any more or it will break for sure

 

 

As above, the rad cap allows the water to dump into the expansion tank when a certain pressure is reached, also the top hose should have no pressure as the engine cools as the water system goes into a vacuum then the pin in centre of the rad cap allows water to be drawn back into the system from the expansion tank with the vacuum.