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Liquid Line Cold But Drier Warm?

EverydayDiesel on Tue July 01, 2008 4:34 AM User is offline

Year: 2001
Make: Dodge
Model: Ram Diesel
Engine Size: I6
Refrigerant Type: R134
Country of Origin: United States

My A/C was working great then all of a sudden it started blowing 75 at the vents

I noticed that my liquid line (from the condenser to the firewall ) is very cold
The drier is warm to the touch with no condensation.

What would cause this?

EverydayDiesel on Tue July 01, 2008 7:07 PM User is offline

when I hook the gauges up both sides read about 100

With the a/c going the cool side bounces between 20 and 60 while the hot side stays from 130-170


does this look right?

EverydayDiesel on Tue July 01, 2008 7:27 PM User is offline

I forgot to add...the temperature outside was 94 degrees

mk378 on Tue July 01, 2008 7:42 PM User is offline

And the compressor is cycling on and off rapidly? This is what happens when a CCOT system is low on refrigerant. You have a leak.

The orifice tube is actually located at the condenser. That makes the "liquid line" part of the low side, part of the evaporator, so it gets cold. But there isn't enough refrigerant to fill up the whole evaporator and cool the air.

CCWKen on Tue July 01, 2008 7:52 PM User is offlineView users profile

Did you recently replace the drier? I've had a couple of driers go bad. It seems the inside comes loose and plugs the line. That or the "bag" was put in upside down. A change of the drier fixed it.

-------------------------
Ken Kopsky

Custom Car Works
"Rules are for the guidance of wise men and the obedience of fools."

Chick on Thu July 03, 2008 8:10 AM User is offlineView users profile

Add some UV dye to help you find your leak, once found fix and recharge..Hope this helps..

-------------------------
Chick
Email: Chick

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Freedoms just another word for nothing left to lose

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