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i have an 'E' reg MkII polo estate and when i turn on the heaters even when the engines warm i get cold air, it's only untill i start moving or rev the engine that the hot air comes out,


just want to get this sorted asap as i wanna be warm for winter

they only blow cold through the heaters! the only place they blow through warm is on the screen and those little vents above the other vents! my advise, get the car warm and put ur screen heat onto full! that may help

well yeh their the ones i mean, through the windscreen, its just cold untill i rev the engine or move

i ain't got a clue then! could be the system wants bleeding, or the heater matrix is parcially bloked! could be many things really! check ur water levels and all parts to do with water circulation around the engine! some aftermarket parts don't work properly
hope thats some help

yeh thanks for the help anyway but i was hoping that no one would mention the heater matrix, as i don't have a fu*kin clue how to unblock it

yeah heater matrix is a bad word! i have heard thats not good if its that! good luck!

well its a simple prob ,you can solve.
under the hood beside's the battery is plastic cover ,black in colour .remove the plastic cover ,you see there the heater fan .(if you stand in front f the car )on the left side on top of the heater is a white valve ,when the engine is running and the temp is standing on the middle of the gauge .unscrewe the white valve till it's hissing (softly)when water apears close the valve .youre heater should be working now

left side should be right side

so this means it had air in the system, which was coursing the probelm right?

jep ,that should have bin your problem

just like bleeding brakes really! i think that was one of the options i gave him in the first place! lets hope he remembers too look back at this! cheers mate

no sweat ,ur welcome

lol sweet just tried that and there was a tiny bit of air in it but its workin fuckin ace now cheers dudes