1995 Ford Contour AC Blows Warm

1995 FORD CONTOUR
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TMERRING64
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  • 3 POSTS
Hello im new to the fourm.I have just purchased a ford contour with a few minor problem's.One is the air conditioner.It blows warm air the clutch is clicking on and off.I went to recharge it and had 100 lbs in it on the low side. When the compressor click's on is'nt the needle suppost to fluctuate on the recharging gauge? Do I have a bad compressor? Also what bug's me is the low side line was cold and the high side was hot.But still no cold air inside.Any help would be great :D
Aug 16, 2006 at 12:16 AM
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TAURUSWHEEL
  • ✓Experienced Mechanic
  • 718 POSTS
Possibly it's a blend door issue under the dash??? How long is the compressor running between cycles??? Seconds?? Approx? If your tubes are coreectly hot and cold, I would think possibly a door issue as noted above
Aug 16, 2006 at 2:00 AM
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TMERRING64
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  • 3 POSTS
That is what I thought but i was under the dash and watched the door open and close.Is the needle supost to flucuate when the compressor comes on?
Aug 16, 2006 at 2:05 AM
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TMERRING64
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I forgot the compressor run'a about every 10 second's scince i let some freon out cause it was too high.But when it was that high it was about every 20 second's with no diffrance in air temp.
Aug 16, 2006 at 2:36 AM
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NOS
  • ✓Experienced Mechanic
  • 320 POSTS
low side should be around 30 to 35hg hight side should be no more than 225 to 250 psi if the compressor is not pulling down a good low side there is a restrection in the line going into the eveporator there is a filter in that line that gets junk in it either from the compressor or the accumlator. thus it will feel like it is supossed to on the lines but the cold wont go through the evap so no cold. (NOS)
Aug 20, 2006 at 7:23 AM
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Suggested Repair

Verify A/C pressures: low side about 30-35 psi and high side no more than 225-250 psi. If the compressor does not pull a proper low side, inspect for a restriction or clogged filter in the line into the evaporator, often from debris from the compressor or accumulator. The blend door was seen moving, so it is less likely the cause.

Conversation Summary

The owner of a 1995 Ford Contour reported warm A/C air, a compressor clutch cycling on and off, and an overcharged low side near 100 psi. The low-side line was cold and the high-side line hot, but cabin air stayed warm. After releasing some refrigerant, the compressor cycled about every 10 seconds with no temperature change. The owner confirmed the blend door opened and closed. One reply suggested a blend door problem if line temperatures were normal. Another advised checking pressures and a possible restriction or clogged filter in the evaporator inlet line if the compressor cannot pull down the low side.

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