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01 Nissan Sentra 2.0 AC issue #5195328 08/24/19 10:21 AM
Joined: Sep 2009
Posts: 1,117
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Mark72 Offline OP
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Joined: Sep 2009
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I had my AC serviced a couple years ago due to a bad hose and it's been fine ever since and it gets really cold while driving it in town and short trips down the highway. But even before the AC repair and after during the 5 years I've owned it the AC always gets warmer while cruising on the interstate for an hour or longer. Any ideas what would cause an AC to do this that is properly filled and not in need of service? Also..I when it starts blowing not as cool the air coming from the vents feels like it's not as direct or coming out of the vents as fast.

Last edited by Mark72; 08/24/19 10:24 AM.
Re: 01 Nissan Sentra 2.0 AC issue [Re: Mark72] #5195354 08/24/19 11:07 AM
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Chris142 Offline
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Evaporator temp sensor. I replace dozens every year on Nissan's.


02 Wrangler Napa high milage 10w40
87 F250 Valvoline 15w40
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Z400 castrol T 10w40
Can am Maveric edge 5w40
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Re: 01 Nissan Sentra 2.0 AC issue [Re: Mark72] #5195624 08/24/19 04:33 PM
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9
92saturnsl2 Offline
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Evaporator freezing up or the evap temp sensor gets my vote.


96 Grand Prix SE (project car)
04 Odyssey EX 200k Philips Shield Choice 10w-30
96 Maxima GLE 275k Shell Rotella T5 10w-30
07 Chrysler Pacifica Limited 4.0L 145k Mobil1 EP 0w-20
Re: 01 Nissan Sentra 2.0 AC issue [Re: Mark72] #5195656 08/24/19 05:29 PM
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Mark72 Offline OP
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Where is the evap temp sensor?

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