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Ford AeroStar AC Questionable Repair, Vacation Today

Ski-Patroller on Wed July 11, 2012 3:41 PM User is offlineView users profile

Year: 1997
Make: Ford
Model: AeroStar
Engine Size: 4L
Refrigerant Type: 134
Ambient Temp: 75
Country of Origin: United States

I had my AeroStar in a Shop for AC Repair. It is one of the Dual Evaporator units. The compressor was not cycling. Shop said that the condenser was plugged and the compressor was toast. After replacing the compressor, condenser, accumulator and recharging it seemed to work fine. They finished it up last Saturday. I did not drive it for a couple of days, and then when I did on Tuesday, the AC barely cooled. The shop found a small leak and said it had lost about 1/2# of refrigerant. They are fixing the leak. I wondered if a 1/2# refrigerant loss would make a huge difference in a 4.85# system. It would not be a problem, except that we are planning on leaving today to do a 1700 mile drive (3800 RT) from Oregon to Missouri. I don't really want to start out if the AC is probably going to fail again.

Any Thoughts? I don't have a great deal of confidence in the shop. They maybe OK but I'm starting to worry.

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Consulting Engineer with little Automotive AC experience

GM Tech on Wed July 11, 2012 5:18 PM User is offline

You lost more than a 1/2 pound-- more like a half charge! Find the leak! before you travel-- if cooling went amiss in a couple of days-- it will do it again until it is fixed..

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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......

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