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1999 LeSabre no condensate from A/C
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comnavguy
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Aug 6, 2012, 12:27 AM
Post #1 of 7
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1999 LeSabre no condensate from A/C
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1999 Buick with a 3.8L V6 with 68,686 miles. A/C cooling but not enough. New collector/drier and orifice tube. Flushed lines and recharged system to spec.
The problem is that there is zero condensate with ambient from 85 to 105 and Relative Humidity at the Sauna level. It doesn't matter if the car is up hill or down hill. There is no condensate coming from the down hole.
I have run a flexible cable up the hose but can get it only about 4 to 5 inches before I hit something solid - assuming I am rotorutting the right tube. It is just on the bottom of the firewall just above the bottom ball joint on the passenger side of the car.
Is the correct way to clear this tube high pressure air ? Or what?
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 6, 2012, 3:27 AM
Post #2 of 7
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Re: 1999 LeSabre no condensate from A/C
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If you're not seeing water inside the car either, then there probably isn't any. Feel the temp of the large pipe at the evaporator and that should be very cold. Then feel the liquid line where it leaves the condenser, headed to the evap and that one should be warm, but not hot.
You also need to put a set of gauges on here and get some accurate pressure readings.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 14, 2012, 3:29 AM
Post #4 of 7
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Re: 1999 LeSabre no condensate from A/C
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Everything you're telling me says it is definitely creating condensation and it has to be going somewhere. I don't know why you're not seeing a puddle inside the car yet. I guess the first thing to try is compressed air from the outside drain tube to try to clean it out.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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comnavguy
User
Aug 23, 2012, 6:53 PM
Post #5 of 7
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Re: 1999 LeSabre no condensate from A/C
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Yessir, as hot and humid as it's been in Dallas, water gotta be going somewhere, but the carpet feels powder dry and there ain't a drop coming out of the drain pipe. I'm gonna give it a hit of compressed air and I'll let you know what happens.
Thanks again.
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Discretesignals
Ultimate Carjunky
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Aug 23, 2012, 9:06 PM
Post #6 of 7
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Re: 1999 LeSabre no condensate from A/C
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One trick I used to see if the drain was plugged was to close all the vents with the blower on high. You should feel air being blown out of the drain.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Tom Greenleaf
Ultimate Carjunky
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Aug 24, 2012, 12:54 AM
Post #7 of 7
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Re: 1999 LeSabre no condensate from A/C
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Not sure if this is involved and never found by me but some GMs used an "elephant" nose end to the drains to minimize small amount of air blowing in or out and solution was just to snip a bit off. Even so, that would back up the condensate somewhere and should be noticed? Just a maybe,
T
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