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2003 Nissan Altima 3.5 litre. The a/c compressor apparently stops (blows warm air, even though the compressor light is lit on the dash) and starts at random. When the compressor is in, the a/c works well. Have had in service for this problem at least 10 times since new. Sounds like an electrical or control problem of some kind. Any comments will be most appreciated. Thanks Jack/AZ

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Posted on Jan 02, 2017

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SOURCE: Nissan Altima brake light

what that means is your socket is is probably shorted to your running lights there is a constant feed of voltage to that circuit. i would take a circuit probe and trace a wire to the spot of the short. good luck.

Posted on Aug 29, 2008

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SOURCE: 2003 Nissan Altima 2.5S, Check Engine Light Problem.

this problem could be caused by the mass air flow censor, i had the same problem with my car. it is really pricey at the dealer so you might want to check elsewhere for this part. I found one at a scrap yard for 85% less that the dealer and i also got life time warranty, the dealer does not offer any warranty on this part.

Posted on Oct 22, 2008

  • 491 Answers

SOURCE: 1995 Nissan Altima, heat doesn't work.

you might want to replace your thermostat and start from there

Posted on Jan 06, 2009

  • 404 Answers

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

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.

Please press the Blue button to appraise my FREE Efforts, Thank You!
Paul 'W' U.K

Posted on Feb 24, 2009

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SOURCE: My 1997 Nissan Altima air conditioning works

it sounds like the high pressure cutoff switch is kicking the system off. when the temp goes up so does the pressure. i would also check and make sure that there is enough freon in the system as well.

Posted on Jun 12, 2009

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1 Answer

Good Afternoon, Why is my temperture gage staying at C? Also my heater is not heating lke it should. when I stop at a light it blows cold air. can someone please tell me what could be wrong?

It could be your thermostat. If it is stuck open and you are driving in cold temperatures your car will not warm up properly. As for your heater, it shares the coolant from inside the engine and radiator so if your engine isn't warming up it won't warm up either.

Dec 09, 2010 | 2003 Nissan Altima

1 Answer

I have a 2003 Nissan Altima and the AC is not working. It is blowing warm air,, refrigeration pressure is 105 lbs. Clutch on compressor will not engage. Pressure switch on condensor with 3 wires, jump...

105 psi? If so that is way to hi...especially for a mid-sized car. You ideally want you pressure to be between 40-50 psi. If you pressure is that hi you might have blown the pressure valve on you compressor, which is not a part that is sold seperately. You should take your car to your local Pep Boys and have them run a A/C diagnostic which runs around $45 to give you an better idea. If you don't know what you're doinf the A/C system is not something you want to play a guessing game with. Especially since it's illegal to work on it without the proper tools and licenses.

Dec 08, 2010 | 2003 Nissan Altima

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My 2005 Nissan Altima will not blow warm air unless I am driving. When I start the car to let it warm up on cold mornings the air is still cool after 5 or more minutes.

Thermostat could be stuck in open position. Check your T-stat gage on your dash if it doesn't go to middle or normal then your T-stat is stuck open, and needs to be replaced.

Sep 29, 2010 | Nissan Altima Cars & Trucks

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Air conditioning failure above 85 degrees.

Initially I would suggest a Loss of FREON from the system, but there are also several reasons for the A/c to quit. Freon loss,[Leaking seal, Comp. front shaft seal, Split hose, Holed Condenser, Compressor Realay/Fuse failure, Thermo couple switch].
An easy out, is to Purchase 1 can of Freon with added Lubricant and 1 Can of Pure freon.
Inject the 1 Can with Lube into the High Pressure Side Adaptor Port. Look and Listen for Leaks. Start up, with Blowers on FULL speed, A/c Control on Max. A/c, and Heater Coolant Control on Cold[Blue]
Speed up the Engine to about 1500 RPM. Look to see if the Compressor Clutch on the Front is Engaged and Rotating, if it does wait about 30 seconds, and the Condenser Fan should Engage, continue to run the engine and check the Interior of the Vehicle for a change in AIR flow temperature. If it is cool, but not cooler. Stop the engine, and give about 2-3 minutes before adding more Freon from can 2.
If none of this happens to make it work, then I suggest you go to a Reputable A/c Repairer and ask for a CHECK & ADVISE ONLY,on your vehicle, so as to get an ESTIMATE, for repair of what is apparently defective in the system.

Aug 28, 2009 | 2005 Nissan Altima

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1999 Nissan Altima GXE, AC is intermittently blowing warm air. I have recharged the Freon, I have replaced both belts, and still blowing warm air...Ideas? Options?

check pressure it may have leaked out already, also pressure test will tell if compressor is bad or other leaks, u can put dye in system and look for leaks yourself availible in most part stores, look at front of vehicle and look at condesor and see if any obvious damage

Jul 07, 2009 | 2005 Nissan Altima

1 Answer

2002 bmw 3 series intermittent ac

Sounds like a compressor problem.

Jun 05, 2009 | 2001 BMW 325

1 Answer

Airconditioner suddenly stopped blowing cold air while I was driving--blows warm air now

you can get a recharge kit at Auto Zone, the car has to be runnung to fill it. . This is the first thing I would do, to see if it's out of freeon first.

Ask the Auto zone man to come out side and help you refill it. They will help if you ask.

Nov 06, 2008 | 2005 Nissan Altima

1 Answer

Car quits running

crank sensor probably

Sep 18, 2008 | 2003 Nissan Altima

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