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01 Nissan Sentra 2.0 AC issue #5195328 08/24/19 11:21 AM
Joined: Sep 2009
Posts: 1,110
M
Mark72 Offline OP
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Joined: Sep 2009
Posts: 1,110
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 11:24 AM.
Re: 01 Nissan Sentra 2.0 AC issue [Re: Mark72] #5195354 08/24/19 12:07 PM
Joined: Jun 2003
Posts: 19,488
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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
07 fjcruiser Car lube plus 10w30
Z400 castrol T 10w40
Can am Maveric edge 5w40
57 case tractor Chevron sae30
Re: 01 Nissan Sentra 2.0 AC issue [Re: Mark72] #5195624 08/24/19 05:33 PM
Joined: Mar 2004
Posts: 1,842
9
92saturnsl2 Offline
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Evaporator freezing up or the evap temp sensor gets my vote.


1985 F-250HD 7.5L 4x4 135k- Castrol GTX 15w-40
04 Odyssey EX 190k Valv. Durablend 5w-30
96 Maxima GLE 268k Shell Rotella T5 10w-30
07 Chrysler Pacifica Limited 4.0L 140k Castrol Edge 0w-30 Euro
Re: 01 Nissan Sentra 2.0 AC issue [Re: Mark72] #5195656 08/24/19 06:29 PM
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Mark72 Offline OP
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Joined: Sep 2009
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Where is the evap temp sensor?

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