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Hey guys,

I've notice a lot of nissan imports such as Skylines, Silvia's etc have random in cabin heat. That is the heater seems to run itself even when its off and pump heat out at the feet when it feels its cold outside. It seems to decide that its cold out side and it should warm up the drivers and passengers legs. You can feel the heat come out. If you turn on the Heat/AC and put it to say 18 deg and let it go for a second u get cold air. If you then turn it off and wait about a minute the warm/hot air comes back and its like self heating again. It doesn't always do it and just a very odd little feature I noticed.

Does anyone else have this same feature? Any ideas what it basis it's "turn on " action on? When does it decide to come on? What temp does it run for, and how long?

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From what i notice, even when the climate control is off, you can adjust the temp by pressing up and down. It also seems to 'leak' air into the cabin at whatever temp you have it set to like you say... But usually if i leave it on 18 hot air doesnt' come in.. if i leave it on 25 hot air does come in etc...

when the air is turned off the vents near the peddles open up. Other than that, my 33 doesnt leak any hot / cold air.

Does your car have the 'auto' button next to the a/c button ?

'auto' button turns climate control on / off :)

I get what ferni gets. Cold air if the knob on the climate control is on cold and hot air leaks when on hottest. I leave it on hottest cos it makes driving in winter with the window down bearable without running the heater.

ill have to do some testing. but yes i do have the auto bottom, but if you press that it comes on and the display shows temp and fan speed etc. but i have this problem when its off. like no display at all. my mate with an s13 silvia had the same thing, just random heat comes out even when the heater/aircon are off. ive heard of this from a few nissan import owners. sounds like somethinf theyve done on purpose based on the jap climate ??

same thing happens on my R33.

Justin: Its not a breeze, its just the slightest bit of warm air, and you can only *just* feel it. Seems to me it must be a feature that Nissan include, like Paul said, due to the cold climate in Japan.

I have seen this on Paul's car as well as another 33 similar vintage for no known reason you dont nesicarly feel the heat blowing either it just seems to radiate almost.

The thing with the heat really constant is it just doesnt stop and you get to a point where you have to do a heat dump or else you will just start to overheat.

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