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Old 06-15-2006, 02:23 PM   #5
PEye
Registered User

Status: Offline
Join Date: Jun 2006
Member ID: 49302
Location: Alachua, FL
Posts: 1
Re: Temperature control not working 99+
Good Day All,
I have a '99 Suburban 1500 that has ice cold rear air but only warm air from the front vents. Both controls, dash and overhead (rear) are set to full blue. It doesn't matter whether it is on max or normal the results are the same. I have been compensating by using the max settings to recirculate the air and that seems to push some cold air from the front vents. I did notice that when I only have the front controls set, the compressor clutch actuates intermittently as if the unit was short cycling. When the rear controls are on this does not occur. Freon and system pressure seem to be ok. Any feedback would be helpful. Thanks.
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