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Honda Civic Climate Control System

I am taking my '06 EX in for the second time today to have the A/C problem addressed. I've found that it blows hot upon acceleration. Definitely not pleasant on a hot day when what you want, and expect, is cool air! It's nice - in the relative sense - to know that someone else is experiencing this also.
I was also told I had a power steering fluid lead at my first oil change! The part is in, so hopefully that will be repaired.
I haven't had a Honda since the early 90's and I definitely expected more than what I've experienced so far. I paid for the top of the line Civic and never expected to have any problems so early on. :(


  • perezrperezr Posts: 7
    The AC blowing hot upon acceleration is not a problem, it is a feature! It is this way by design as AC takes a considerable amount of power from a small 4-cylinder engine.

    When accelerating briskly, the AC compressor is temporarily disengaged to give you full power for acceleration. The discharge air temperature does go up and "feels" hot, but is still cooler than ambient. Once acceleration is completed, the system returns to normal operation.

    You can prevent this from happening by accelerating more gently. Go try this and you'll see it in action for yourself.

    Perhaps you should've gone with the Si for a peppier takeoff! :P
  • kero1kero1 Posts: 154

    I am very surprised to hear about this feature when accelerating briskly the AC compressor turns off as I have merged on the highway pretty quickly with AC on and never noticed the compressor turn off.

    I actually turn the AC button off when getting on the highway now to get that little extra juice I need on LI.

    Is this fact about the compressor turning off when accelerating hard??
  • sheldo1sheldo1 Posts: 64
    Boy, if you think this is a feature I wonder if you would ever find anything wrong with your car. I personally think it is a poor design that will probably be changed in 2007. I think it was an "oops" on Honda's part.

    I have had numerous 4 cylinder cars and have never had warm (not cooler than ambient) air come out when accelerating.
  • The AC blowing hot upon acceleration is not a problem, it is a feature! It is this way by design as AC takes a considerable amount of power from a small 4-cylinder engine.

    Well, if it's a "feature", it's a damned poor one! Who wants to feel hot air in their face on a 100*+ day!? :sick: I'm very happy with my '06 EX except for this one major flaw. It's just not right.
  • Just point the vent away from your face until you've hit cruising speed.
  • Umm... ok. That still doesn't change the fact that Hot Air is blowing into the car through the Air Conditioning system. And, rather than paying attention to my driving, I'll be adjusting vents constantly.
    I've never heard of or experienced such a thing in any vehicle and it's simply not acceptable in a brand new 2006 car, no matter how my cylanders it has. :mad: :lemon:
  • hangaralf1hangaralf1 Posts: 107
    i haven't noticed the hot air upon hard acceleration. i suspect that this is because when i need that hard acceleration, i either turn it off or am too intent on getting up to speed and staying on the road when i have the pedal to the floor. it is only a 1.8 liter engine and with the ac on, acceleration will be compromised. If the ac actually disengages when trying to accelerate like that, Honda must figure your priority is in getting up to speed fast (rather than staying cool when doing it). If you don't like it, get something with a bigger engine and/or more torque. ( i used to have a volkswagen diesel that literally took 46 seconds to reach 60, and never made it to 60 with the ac on)

    i have noticed that ac blows colder when the engine rpms are up (like when you take it into 3 or 4k rpm and don't bother to shift up). and a lot less cool when you just idle - i have to rev the engine and maintain it there for a while to get cool air again.

    a "design characteristic" does not imply that it was "engineered in". to be sure, this engine miss is not engineered in and definitely not intended, but something that happens when it does as a result of something else - i've experienced it as well, and other than the brake handle digging in to my knee, my biggest complaint - I believe that it is a programming error or blip or bug or whatever - related to the fly-by-wire throttle. i will mention it to my dealer the next time i get there (which may be a while since they are some 4 hours away), and i'll let you know what they said.
  • targettuningtargettuning Posts: 1,371
    To be sure my "engineered in" comment for the engine miss was entirely tongue-in-cheek and in reply to the "design characteristic" comment uttered by some service weenie.
    Mine does blow less than cold air upon acceleration and not even at full throttle acceleration. At 140 hp the engine should deliver acceptable acceleration AND be able to power the AC compressor while doing it. It isn't that weak. I had a 1990 Taurus S.W. 3.0 V-6 that was rated at 140 hp (it had more torque though).
  • Hangaralf1, I'm not sure if you're responding to my comments about the AC blowing hot air upon acceleration. I never said anything about "hard acceleration". Given the price of a gallon of gas, my "stomping on it" days are long since gone. I'm talking about any sort of acceleration which results in the AC shutting down and providing nothing but HOT AIR. This, to me, is not acceptable in a top of the line Civic EX and another poster's suggestion that I adjust the vents away from me is nothing but absurd.

    At my most recent service (which there have been far too many of for my 7 month old car), they drained the AC in an attempt to fix this problem. They were unsuccessful and the problem remains. :mad:
  • sandman46sandman46 Posts: 1,798
    Have never noticed this problem with my LX yet...maybe it's just your car...? "To me this is just not acceptable"...the dealership apparantly tried to fix "your problem" & it still works the same. Try another Honda dealership & see what happens. Maybe this is just a normal function of the gotta realize that it's just a small 4 cylinder engine after all.
    Anyone else having this particular a/c situation?

    The Sandman :) :)
  • targettuningtargettuning Posts: 1,371
    If you mean blowing warm air while accelerating then returning to cold after reaching a more or less steady speed....yes me too and it is damned annoying. I do not think it is a problem specific to a particular car but a designed "feature" as someone here said. If so, it works as specified.
  • sheldo1sheldo1 Posts: 64
    I have the same problem. I agree that is is probably a design issue (or feature) and not a defect or part failure.

    I don't like this "feature".
  • roundtriproundtrip Posts: 105
    except that it doesn't blow hot, just noticeabley less cold.
    It's not too bad because my car does get chilly, and this just keeps me from having to adjust the temp. knob.
    Honda really has just done me a favor. :P
  • dentrekdentrek Posts: 8
    My new Civic air conditioning seemed to work great till the weather got above 85 degrees. Then I got to noticing that when in traffic or any time you excellerated it would blow hot air for sometimes 10 seconds. If the weather was above 90 degrees it would never cool the car in city traffic. I live in a smaller town that only takes 15 minutes to go from one side of town to the other side and it never cools the car. Sitting at red lights it never cools and when you throw in that it cuts the conpressor off every time you accellerate you will burn up.
    The dealer has looked at 3 times and we tell them about it ever time we go back to do normal service. They always say it is in specs. I don't know what else we can do at this point. Does anyone else seem to have the same problem that I do? :confuse: I have seen several messages close to mine.
  • bbr0wbbr0w Posts: 1
    I have had my 2006 Civic for four months now and I would have to say that the A/C is less than desirable. I have an appointment this week to have it looked at. I was also told by the local dealership that the A/C issue is normal; however, I find it very uncomfortable and now wished it was warmer out when I test drove the car.

    I had my wife go look at a used Landcruiser the other day and the Toyota dealership she was at had three 2006 Civics that had been traded in…
  • Just curious - for those that are posting their air conditioning units aren't up to snuff, what color is your car? I've had several black cars in the past and know from experience that dark cars are more difficult to keep cool. For this reason, I went with the alabaster silver civic. My 2006 EX sedan's AC works extremely well, to the point that on 90 degree plus days it somethimes gets too cold and I have to turn the AC down.
  • targettuningtargettuning Posts: 1,371
    Although my car isn't black I don't think what many of us are experiencing has to do with the color. It is a matter of the vent temperature temporarily going warm/hot/less cool upon certain acceleration moves. It will return to cold/coldish eventually. Further, I had the opportunity to ride in a 1994 Taurus last night when it was in the mid 90's here and that was a COLD ride. I do not think our Civic can hold an ice cube to that Fords AC performance...
  • Hockeyfool is correct. I've never been in a car where the AC has acted this way. If it was truly designed by Honda this way, it was a bad move and they should fix it for those that find this "feature" less than wonderful.
    I bought my '06 in January when it was cool. Had I known this was a "feature" of the car I most likely would not have bought it.
    My last car was an '01 Pontiac Grand Am GT. That car had an AWESOME AC system! The Civic doesn't come close. :(
  • It appears that the Civic wasn't the only Honda with this "feature" engineered into it. The Honda Fit owners are complaining about the very same thing.
  • Another model has the same situation?? This really is changing my whole view of Honda automobiles as a top-knotch, high-quality product.
    I had my first Honda in the early 90s and it treated me well. I've driven several different cars since then and at the suggestion of my SO - who's driven nothing but Hondas since the mid-80s - decided to go with the Honda EX w/ Nav because I liked it's sporty look and the fact that it really doesn't feel like a small car.
    This AC problem is a Big Deal to me because my own internal temperature generally runs warmer than the average bear. I like and depend on a cold air conditioning system. Anything less is unacceptable! :mad:
    Does anyone know what, if anything, would be accomplished by going to Honda corporate with this problem? Is there any recourse for those of us who are highly dissatisfied with this?
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