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Anonymous Posted on Dec 20, 2017

Honda air conditioning

The air conditioner for my 1998 4 cyl will only work only in defrost mode, and blows out cold air. As soon as I hit the button for any other mode (defrost and vents, vents, floor) the air conditionling light turns off and it just blows outside temperature air. Does anyone know what may be causing this? Thanks

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Apr 29, 2009

SOURCE: 2003 accord air conditioner

I ad this problem fixed and it cost $35. Apparently, this happens when the Freon level is low for some reason. They refilled the Freon and now I have AC on both sides. Don't forget to replace the internal filter in the glove box.

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Anonymous

  • 77 Answers
  • Posted on May 21, 2009

SOURCE: 2003 accord air conditioner

This is a common problem when the AC system has a low charge.
If this is the case, you have a leak somewhere. Do not try to fix it yourself without the proper equipment.

Anonymous

  • 50 Answers
  • Posted on Jun 19, 2009

SOURCE: 2003 accord air conditioner

Hi there. When a compressor is replaced, two things are in fact being replaced - both the compressor and the refrigerant (Freon) and if the problem is resolved as a result which of those two replaced elements caused the original problem? Well you will never know and so before the compressor is replaced you need to have you’re A/C system recharged – it’s by far the most cost effective initial thing to do. In general A/C systems loose at least 10% of their effectiveness each year through loss of refrigerant and so given the age of your car; it’s the first thing to focus on. A professional A/C centre will also be able to tell you whether your compressor is working properly after having a refrigerant recharge by the monitoring the operating pressures in the A/C system.

Anonymous

  • 7353 Answers
  • Posted on Sep 21, 2009

SOURCE: I have a 2004 Honda Accord and the Driver's side

the a/c system may be low on a charge. have a a/c shop ck it. if its low, have them ck for a leak. if unable to locate a leak, they may need to rechagre it, and add a UV dye and you may have to bring it back several weeks later.

Anonymous

  • 1 Answer
  • Posted on Jan 15, 2010

SOURCE: In my 1998 Honda Accord Lx the hot air does not

In my 1998 Honda Accord Lx the hot air does not come out of the heater2_bing.gif vents in the floor, the same is true for cold air in the middle vents on the dash. The side vents on the dash work fine.

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Air conditioner

sure.

what is your goal hot air, you never said,

got full fan speed? on high>? sure.
got full engine coolant heat 180F or more holding??? if not all is lost.
if car has a heater core water valve is it open>?
are the 2 heater core water tubes both fully hot,(hand test)
yes> good.
now you need air flow through the core (heater)
that means the damper most be open,, is it?

in that order. (heat)
the dampers on hondas can be complex. (10x on electric damper motors , aka, damper actuators)
see part 5 and 6 here
http://www.hondaautomotiveparts.com/auto/jsp/mws/prddisplay.jsp?inputstate=5&catcgry1=ACCORD&catcgry2=2002&catcgry3=2DR+EX&catcgry4=KA4AT&catcgry5=HEATER+UNIT

the fSM covers the complex tests of dampers, and not having
a real FSM makes this near impossible.
why , because your dampers are no like anyothers on earth.
other cars use different types. and are all unique .
unlike CABLES
unlike vacuum servos.
see>?

here are the basics for heat.
http://www.fixkick.com/AirCond/heater.html


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The mode door and mode actuator change where the air comes out. It's operated by vacuum. So you either have a leak or a bad mode door actuator motor.
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Defrost not working well, amount of air blowing is low. Acts like a blockage problem, all other parts of the heater system works fine.

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