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ksdtoday Newbie

Joined: Aug 02 2010
Online Status: Offline Posts: 3
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Location: U.S. - Oklahoma
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| Posted: Aug 05 2010 at 3:23pm | IP Logged
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So My ac clutch was shutting off and on, but working fine in the morning. I then noticed the condensor fan wouldnt come on, so ordered a new one, put it on and it worked for a bit, and I havent seen it come on again. The ac works ok on the highway, but warms up on stop and go. the charge is fine.
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ksdtoday Newbie

Joined: Aug 02 2010
Online Status: Offline Posts: 3
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Location: U.S. - Oklahoma
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| Posted: Aug 05 2010 at 8:14pm | IP Logged
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Any Idea why the condensor fan wouldnt come on? Is it suposed to be on when the ac is or just when it feels like it?
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frontierguy Senior Member

Master Mechanic
Joined: May 20 2008
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Location: U.S. - Pennsylvania
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| Posted: Aug 06 2010 at 8:21pm | IP Logged
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Do a search for thermal control amplifier.
__________________
'10 Altima SL
Traded 08 Frontier for 16 Frontier SV CC Long box, quite an upgrade. I do miss the 6 speed and Dynomax ex.
Nissan Technician 25 + years
2011 John Deere X720SE
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ksdtoday Newbie

Joined: Aug 02 2010
Online Status: Offline Posts: 3
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Location: U.S. - Oklahoma
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| Posted: Aug 07 2010 at 12:10am | IP Logged
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Yeah I read most that, But doesnt that just shut down the compressor? My problem is with the condesor fan. It wont come on. My compressor shuts down cause when Im at a stop no air is cooling the condensor, there for the freon heats up and the temp sensor shuts down the a/c
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frontierguy Senior Member

Master Mechanic
Joined: May 20 2008
Online Status: Offline Posts: 2591
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Location: U.S. - Pennsylvania
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| Posted: Aug 11 2010 at 8:38pm | IP Logged
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Sorry, guess I didn't read all of your symptoms. Looking at the wiring schematic, there are 2 fuses near the battery, 10 amp(#13) and a 40 amp(most likely a fusible link). The cooling fan relay is grounded by the ECU and or the triple switch(I'm assuming the triple switch grounds it under high pressure conditions. How about your belt driven fan clutch, is that OK?? Have you blown out the rad and cond to remove dirt and debris??
__________________
'10 Altima SL
Traded 08 Frontier for 16 Frontier SV CC Long box, quite an upgrade. I do miss the 6 speed and Dynomax ex.
Nissan Technician 25 + years
2011 John Deere X720SE
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