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looking for condensate drains

bright41 on Sun April 26, 2009 8:38 PM User is offlineView users profile

Year: 1988
Make: chevy
Model: suburban
Engine Size: 5.7 350
Refrigerant Type: freeze 12
Ambient Temp: 85
Country of Origin: United States

just wondering where to find condensate drains on 88 suburban air is blowing nice and cold just wondering where the condensate drains are was setting stoped for a while and never seen any water driping under the rear or front of the turck and am thinking the drains are clogged and dont wont be going down the road and some on in the back get socked with water becoues the rear unit isnt draining or carpets to get wet and mold and all that stuff

GM Tech on Sun April 26, 2009 10:23 PM User is offline

If OEM rear air, then drain is rubber slot next to aluminum manifold where a/c pipes go through the floor under rear of truck, Front drain is in behind A/D right below it...

Water dripping won't really happen unless you have high humidity-- say 50% or more.....if a/c pipe at A/D is sweating, then I'd expect drains to drip-- otherwise there is not enough humidity to create drippage.....

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The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......

bright41 on Mon April 27, 2009 6:58 AM User is offlineView users profile

pipes where sweating so i though it would be driping is why i though the drain was stoped up and i couldnt find no drain by just looking from top in front and didnt see the rubber hose in middle of the high and low pressure lines to the rear unit

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