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Accord ac retrofit high low side pressure

stoner51 on Wed May 02, 2012 4:08 PM User is offline

Year: 1991
Make: honda
Model: accord
Engine Size: 2.2
Refrigerant Type: 134
Ambient Temp: 85
Pressure Low: 90
Pressure High: 110
Country of Origin: United States

3 years ago I did the flush, compressor change, drier change, expansion valve change. due to a bad conversion. So fast forward 3 years the compressor clutch goes out. It was cooling fine then on the drive to work it just stopped, checked the pressures and they were all high.
I looked around and found that to replace the clutch was almost as much as a reman compressor. So I purchased a compressor, drier, expansion valve and I had some bva 100 sealed left over. so I replaced all the parts, pulled a vac. woke up this morning and attempted to charge I can get one can in and the pressure goes up to 90 low and 110 high, the compressor does not seem to be engaging, because when i unplug the wire on the compressor nothing happens.
Is this normal for a charge? I seem to recall the pressure going up but then coming back down rapidly as the r134 went in. It is not going that way.
Any help would be appreciated.


mk378 on Wed May 02, 2012 5:43 PM User is offline

Compressor needs to engage. Check that the wire is getting 12 volts, the resistance through the compressor is 3 or 4 ohms, and that the clutch gap is OK.

You can jump the compressor wire to the battery with the engine off to see if the clutch works. Do not do that with the engine running, the fan and the high pressure switch are bypassed and there is likely to be an overpressure.

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