Nissan Frontier Forums: 2003 Frontier AC Problem

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Nissan Frontier Forums : Problems / Technical

Topic: 2003 Frontier AC Problem

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max2011
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Joined: May 22 2011
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Posted: May 28 2011 at 7:36am \| IP Logged

I have a king cab 2003 4 cyl. AC was not cool at all so I put a can of coolant in it and in does put out cool air but compressor kicks in and out all the time? I checked the low and high side pressure and when I idle it up to about 2100 rpm the high side gets dangerously high around 400psi? I was told to try changing the orfis? But the frontier has a expansion valve. Should I try replacing the valve? If so where exactly is it located? I have drained the system of all Freon and ready to do something. Any help would be grateful.

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bcaughhorn
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Posted: May 31 2011 at 2:05pm \| IP Logged

the x-valve is under the dash on the pass side. its a pain

frontierguy
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Posted: May 31 2011 at 8:45pm \| IP Logged

It would be best to evacuate the system to draw out any
moisture, then properly charged w/ the correct amount of
freon. It is also a good idea to clean the rad and
condensor from the back side forward, you would be surprised the amount of dirt and leaves that accumulate
over time.

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2011 John Deere X720SE

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