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Registered
2006 Subaru WRX Wagon Limited
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351 Posts
Discussion Starter #1
I was driving home A/C worked fine, then the air started to get warm. The compressor kept kicking on and off. If i would be on the gas it felt like it stuttered. Never happened before so I am trying to fig. out whats wrong.
 

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Miss You Mom '40-'08
00 RS, 14 Forester, 92 SVX
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1,577 Posts
Mine does this too, however it's not a lack of refrigerant. Usually it's the receiver/dryer being old/clogged (depends on the age of the car) or the expansion valve going bad. It can be the coolant core freezing up too- you should really get the system pressure tested while running. Mine is building too much pressure and then shutting off. I only have two things I haven't replaced yet (the pressure switch on the receiver dryer and the one on the compressor itself) so we'll see how that goes when I replace them this coming week.
 

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10 Posts
Did you fix it yet? Just wondering because I have the exact same problem and I would agree that something is causing an excess of pressure to build, however, I don't know what!
 

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Retired Admin
Two Mini Coopers!
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10,637 Posts
A/C systems generally need a trained professional to check. The refrigerant is poisonous, too, so don't go cracking open the lines. :eek:
 

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2001 RS 2.5
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640 Posts
how much pressure do you have on the low pressure side? Go to the store and get the can with the pressure gauge.
 
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