Question about 2002 Nissan Sentra

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I have a 2002 Nissan Sentra and need help w/figuring out what's wrong with the air conditioner. When the car is sitting still the ac works fine but with driven the ac stops working/blowing hot air. Please, advise

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That's a tricky one. Sounds as though there may be a loose connection / dodgy fuse or even a charging fault. I assume the battery lamp is not glowing at all when the engine is running.

Posted on May 08, 2014

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: The air conditioning,the blower fan

One suggestion. Have you checked the fuses ?

I would check the AC or blower fuse to start with. If you have the drivers manual it will show you where the fuse box is. Typically there are at least two boxes to check. One in the Engine compartment and one in the passenger cabin.

Look inside the lid of the fuse box to see which fuse may apply to the AC circuits or the blower and check to see if they are blow. the metal link between the two posts that plug in. If the link is missing you need to replace the fuse with one of the same rating. Make sure you know where you took the fuse out from and put it back in the same slot if its good. Check all the main fuses if possible to see if any have blown and replace if they have.

Posted on Aug 12, 2008

pal03246
  • 726 Answers

SOURCE: 2002 Nissan Sentra - no dashboard lighting

Blown fuse, or could be the dimmer switch. Check fuses first.

Posted on Sep 18, 2008

onyeredson
  • 404 Answers

SOURCE: Nissan Altima no cool air blowing or hot air blowing

Hi!
It appears we have an Air lock scenario and you will need to perform a system Bleed.
Park the vehicle on level ground, when cold remove coolant filler cap, start engine and leave to idle, turn heater on full and blower to max. When engine reaches operating temperature watch and listen near coolant filler, keep clear as gurgling and hopefully a boil over should occur. Top up with very warm coolant and wait as it may do it again.
Check for heat inside vehicle if warm replace coolant cap but keep an eye on temperature gauge as the ~Air lock may have moved on from heater matrix/core so proceedure needs to be carried out again from COLD.

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Posted on Feb 24, 2009

  • 4 Answers

SOURCE: 1996 nissan sentra ac/heater switch works only on high. need help

I had the same prblem. There is a relay next to the heater blower that needs to be replaced.

Posted on Jul 18, 2009

  • 24 Answers

SOURCE: How to replace cabin air filter nissan sentra

lOOK BEHIND THE GLOVE COMPARTMENT. Compartmet is probabily plastic and all you have to do is push in real hard to get them past dash board.

Posted on Jan 05, 2010

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