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Defog question...

 
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patyson
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PostPosted: Mon Aug 19, 2013 7:43 am    Post subject: Question Defog question... Reply with quote

Is it supposed to blow what basically amounts to A/C temp air by default?

Thanx

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Pitch Black SS
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PostPosted: Mon Aug 19, 2013 10:30 am    Post subject:   Reply with quote

are you saying its blowing cold? Have you adjusted the temp control? If its all the way on heat and its still blowing cold, probably a blend door, either the door is busted or the actuator is shot

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patyson
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PostPosted: Mon Aug 19, 2013 5:10 pm    Post subject:   Reply with quote

Just when it's set all the down,on cold,A/C off,outside air,it blows pretty cold. I would just expect outside air temp coming thru,,,not as if I hit the A/C button....???

Thanx

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lostwrench
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PostPosted: Mon Aug 19, 2013 10:36 pm    Post subject: Question Re: Defog question... Reply with quote

patyson wrote:
Is it supposed to blow what basically amounts to A/C temp air by default?

Thanx

Yes, that is normal when the selector is in the defog/defrost position.
If you want warmer air on the inside of the windshield you need to bring the heat lever(s) up.
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patyson
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PostPosted: Tue Aug 20, 2013 12:17 am    Post subject:   Reply with quote

So,I assume the compressor gets pulled in? If not,where does that cold air come from?

Forgive me for sounding ignorant...but,if the shoe fits...Embarassed

Thanx

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lostwrench
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PostPosted: Tue Aug 20, 2013 9:46 am    Post subject:   Reply with quote

patyson wrote:
So,I assume the compressor gets pulled in? If not,where does that cold air come from?

Forgive me for sounding ignorant...but,if the shoe fits...Embarassed

Thanx

You're not ignorant, not everyone knows of this air direction selector set up.

Yes the compressor does kick in but I failed to mention that it does so only when the outside temperature is 40F or higher.

The compressor will kick in when "floor" and any selection to the right of "floor" is selected and the outside temperature is 40F or higher.

Any selection to the left of "floor" requires the pushing of the AC button to activate the compressor.

On the downside, when the compressor is on, more fuel is used.

On the upside, it is not good for the compressor to be idle, not being used for weeks/months. Having it kick in at times throughout the year is good.
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