1995 Altima defrost and air conditioning

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Bill - 14 Sep 2006 10:46 GMT

Changing the oil and topping off the coolent the other day I had the
radiator cap off and heater on while running the engine. I noticed the
air conditioner lines were cold while the heat was on full - the air
conditioner clutch was engaged. The air circulation was on windshield
defrost. When I changed to circulate air at the feet or both feet and
console, the air would turn off and the air compressor clutch
disengage. I note the air conditioning control button was out and its
light off.

Is this as it should be to dry the air hitting the windshield or a
wiring screwup?

Bill

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loewent - 14 Sep 2006 16:16 GMT

When you have the window defrost on, the AC is automatically on. My 98 civic
is the same.

>Changing the oil and topping off the coolent the other day I had the
>radiator cap off and heater on while running the engine. I noticed the
[quoted text clipped - 9 lines]
>
>Bill

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AS - 15 Sep 2006 01:24 GMT

This behaviour is normal

> Changing the oil and topping off the coolent the other day I had the
> radiator cap off and heater on while running the engine. I noticed the
[quoted text clipped - 9 lines]
>
> Bill

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Michael Jones - 04 Oct 2006 02:12 GMT

The A/C always is on when using window only defrost. it helps dehumidify the
windshield. You will notice in a car that has no A/C when you drive in the
rain it's always foggy in the inside unless the heat is all the way on or
off or the windows are open a crack.

> This behaviour is normal
>
[quoted text clipped - 11 lines]
>>
>> Bill

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