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A/C not blowing cold but compressor is running and free-on level is good??

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  #1  
Old 09-03-2008, 12:58 PM
shad9876
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Default A/C not blowing cold but compressor is running and free-on level is good??

A/C is not blowing cold in 95 Honda accord. The compressor is kicking on and the free-on level is good.

what could be the problem?
 
  #2  
Old 09-03-2008, 01:10 PM
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Default RE: A/C not blowing cold but compressor is running and free-on level is good??

How do you know the freon level is good? Could be a blown expansion valve, but that's unlikely for an auto system. Most common is a leak resulting in no refrigerant.


FYI - Freon is a trade name given to R-11. It has been misused to refer to all refrigerants. Your car uses R-134a. Classics use R-12. Most houses use R-22. After I'm done with the Jacob Javits Center, it will have either R-407c or 410a ...... depending on how much equipment I can find in R-410a.
 
  #3  
Old 09-03-2008, 01:15 PM
shad9876
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Default RE: A/C not blowing cold but compressor is running and free-on level is good??

I checked the free-on level/pressure on the low port side with a gauge and it is reading in the full range.
 
  #4  
Old 09-03-2008, 01:59 PM
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Default RE: A/C not blowing cold but compressor is running and free-on level is good??

Compressor can be blown internally or the expansion valve could be blown or blocked.
 
  #5  
Old 09-03-2008, 03:39 PM
shad9876
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Default RE: A/C not blowing cold but compressor is running and free-on level is good??

anyways to test to see which it is?
 
  #6  
Old 09-03-2008, 04:45 PM
shad9876
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Default RE: A/C not blowing cold but compressor is running and free-on level is good??

Where is the expansion valve located?
 
  #7  
Old 09-03-2008, 04:50 PM
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Default RE: A/C not blowing cold but compressor is running and free-on level is good??

Not really without training. The expansion valve is on the high pressure side of the evaporator coil.
 
  #8  
Old 09-03-2008, 05:06 PM
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Default RE: A/C not blowing cold but compressor is running and free-on level is good??

get both low side and high side pressure readings and post them here . that will give us a better idea of what is going on..
 
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