Automotive Air Conditioning Information Forum (Archives)

Scout3 on Sun May 01, 2011 10:36 PM

Year: 1999
Make: Ford
Model: Taurus
Engine Size: 3.0
Refrigerant Type: 134
Ambient Temp: 90
Pressure Low: 22
Pressure High: 180

Just replaced the compressor on my son's Ford Taurus due to the clutch bearing going out. Evacuated and recharged. All appears good, good temps 42 degrees. I noticed both lines on the receiver drier were frosty. Is this a good thing or a bad thing. I thought I read that a frosted line could mean a restriction somewhere. Please put my mind at ease, LOL. Thanks for any feedback.

Ed

TRB on Sun May 01, 2011 11:29 PM

How much refrigerant was added. Was system pulled into a vacuum before charging?

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Scout3 on Mon May 02, 2011 10:26 AM

I had the vacuum pump on it for several hours. I put three 12 oz. cans in. My book said it required 2.16 lbs. It seems to be working okay, I just never noticed those lines actually getting frost on them. This was while I was actually charging the system. I have not noticed if it happens under regular operation.

Ed

mk378 on Mon May 02, 2011 10:39 AM

If you had the cycling switch jumped to charge (not recommended), it will get colder than normal.

Scout3 on Mon May 02, 2011 1:27 PM

MK,

I did have the switch jumped. Thanks for the info