atentaten

Because of no heat i've gotten the heater core replaced, but I still get no heat unless a vaccum hose is removed.
Also the ac appears to be stuck on, it only turns off when the car is turned off. This is a 92 max.

Krannick

if you've got a VG, you could verify if you got air in your cooling system by using the bleeder screw located on top of the intake manifold, to the far right side

atentaten

Let me rephrase my question:

I have a 92 Maxima with a VG 30E engine. I just replaced a leaking heater core, but now I get no heat. The heat returns when I remove a particular vacuum hose under the hood however. Does anyone have any idea of how the vacuum system controls heater hot air distribution? Any insight will be appreciated.

Krannick: Does air in the cooling system cause the no heat issue alone?

internetautomar

iTrader: (30)

based on your 2 problems. I'd investigate the control head for the climate control that is in the car.

Wiking

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Krannick

atentaten : I had no heat last winter....and it sucks at -30 celcius.....

i had air bubbles in my cooling system which prevented the circulation of the fluid...

bleeding the system with the screw solved my problem....but be careful..the screw i had on mine was very thin and i destroyed it by tightening it and i had to find another...