Re: what should AC temp be?

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Posted by Igore (71.32.191.180) on 11:30:22 07/26/10

In Reply to: what should AC temp be? posted by Peter

Somewhere between 45 and the uper 30's F. It depends on outside air temp, engine RPM, air humidity, and so on.

Your system probably needs a recharge of 134a refrigerant. It seems to slowly deplete over the years. Simple job for a trained person and probably not too expensive.

The other possibility is a bad mixer damper control in the AC unit itself. This is a little more complex fix, standing on your head working under the dash. Your tech can tell you which.

: Last week we had temps in the 90's and I was not impressed with the AC in the burb (2000 K1500 LS). This morning, using a low tech thermometer, I measured the air at the vent to be around 62F with the AC on, blower on "2" and recirculation on. Outside temp was 73 according to the mirror.
:
: Is there a specific tempurature that I should see at the vent?
:
: We are leaving for a summer trip in a 2 weeks but my tech is going on his vacation next week so I want to act now if I need to.
:
: - Peter
:

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Comments:	: Somewhere between 45 and the uper 30's F. It depends on outside air temp, engine RPM, air humidity, and so on. : : Your system probably needs a recharge of 134a refrigerant. It seems to slowly deplete over the years. Simple job for a trained person and probably not too expensive. : : The other possibility is a bad mixer damper control in the AC unit itself. This is a little more complex fix, standing on your head working under the dash. Your tech can tell you which. : : : Last week we had temps in the 90's and I was not impressed with the AC in the burb (2000 K1500 LS). This morning, using a low tech thermometer, I measured the air at the vent to be around 62F with the AC on, blower on "2" and recirculation on. Outside temp was 73 according to the mirror. : : : : Is there a specific tempurature that I should see at the vent? : : : : We are leaving for a summer trip in a 2 weeks but my tech is going on his vacation next week so I want to act now if I need to. : : : : - Peter : : :
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