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A/C Problem

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Hi,

I have a 2004 Ford Escape. Most of the time the a/c blows cold air when the car is stopped but after awhile warm air starts to blow out. I noticed that on cool days(just to test the a/c) it works fine while driving, but on really hot days, especialy later in the day, there is no cold air at all. Does anyone know what the problem could be?

Thanks posted by  dman13

try and look at the the AC (EVAP)core and see if it is leaking or clogged up wit leaves or other crap. that may be the problem. posted by  DARKtEAGLE

Huh? Say what? Does the A/C blow hot only when stopped or also while driving? Your post says both, but is clear on neither. And why do we care how it works on cool days? You need to sit down and determine what the pattern of the symptoms are and articulate them to us clearly.

To answer your question directly, the problem is that we don't know what you're saying.


Well, it may be, but... How exactly is this person supposed to look at the evaporator? Not many civilians own a borescope and the only other way to access it is to remove the housing which means removing the dash and console. Besides, if the evaporator core were leaking, the refrigerant would say bye bye in short order so the A/C would stop working entirely or if it was just leaves, it would operate at lower efficiency at all times.

This is what I think. You saw a response to a similar question on Yahoo Answers (or some such) and repeated it. It's wrong. You get an "F". posted by  vwhobo

I meant to say that most of the time the a/c blows cold air when the car is stopped but after driving awhile warm air starts to blow out. posted by  dman13

ohh really.lol 1..i dont search for answers on a low jack sites. 2... it was a guess and a "what I think" type of post. 3... it should be an "A" for effort and input.4... im a mechanic who loves to try and fix others problems as much as i can.5...stop and go to someone else to pick on that really needs the criticism so.... there ! HAVE A GOOD DAY!!:cussing: posted by  DARKtEAGLE

And this, my friends, is what our education system is doing to our children. And people wonder why the economy is down...:screwy:

There is a difference between a mechanic and a parts monkey. Just about anyone can turn a wrench and replace parts, or at least get an "A" for trying and failing:banghead: It takes intelligence to be a mechanic. posted by  dvdrose18

yeah and it takes intel to be an ASE mechanic which i am posted by  DARKtEAGLE

you know wat lets just drop this. i dont feel like creating a argument on this kids thread. posted by  DARKtEAGLE

I must admit I had no idea. Most people that come here claiming to be a mechanic have never done much more than change their oil, or add air to a tire.

Good idea, works for me. posted by  dvdrose18

Thank you:smoke: posted by  DARKtEAGLE

Sorry little fella, your lie just fell apart. You have to be at least 18 years old to hold any ASE certifications. You're only 17. After I'm done typing this you'll be reported to the proper authorities for calling yourself ASE certified when you're not. NIASE doesn't take kindly to people who say they're certified when they're not. It's fraud, and they prosecute vigorously.

Looks like it sucks to be you. posted by  vwhobo

well you most def. dont know me and the NATEF program here. you graduate the top of your class you get your ASE certification. i trained and trained hard for this sh*t. and you assumed i am a liar. i trained wit top mechanics the past 2 years. 90% on engine and emissions. 95% steering and suspension and im working on my Pa state inspection license . now tell me are those passing percentages. and you know what:fu: im not no little fella. the only little fella here is the one that is deep in your pants. so shove off!!!. and i happly stand 6.6' posted by  DARKtEAGLE

Sorry little fella, the fact of the matter is that I know more about NIASE and certification standards of work experience than someone of your obviously limited intellect will ever know. Try this on for size.




There is no possible way for you to have gotten an ASE ticket through your NATEF program because it's only good for one year experience. You can't be a full time high school student and work full time simultaneously. And at the age of 17, which is how old you claim to be, there is no way you've attended a 2, 3 or 4 year old post-secondary school.

The only certification you may hold is that of liar... And you're not even really good at that.

Now if you like, we can catalog your answers on this forum to questions asking for mechanical assistance. It'd be long and tedious to do, not to mention difficult to keep from laughing at your obvious ignorance, but it would make it clear to everyone that you know less than nothing. Once again, you get an "F"!


P.S. NIASE has been forwarded your name, birth date and location. Have fun with their investigator. posted by  vwhobo

So does that mean a kid fresh out of school can practice as a qualified mechanic? Not rubbishing your abilities, but perhaps the ASE accreditation isn't all that it professes to be. IMO a proper apprenticeship can never be substituted by vocational training.

I must say that making a superficial check of the evaporator coil on a 4 year old car is not likely to reveal much, expecially to an untrained eye. My first checks would be in the engine bay e.g. the compressor drive belt, followed by gas charge, followed by condenser fan operation, etc. posted by  Wally

Do you know if your vehicle is overheating? I had similar problems with my AC and thought maybe the car simply was not keeping up because the hot summer had begun. Turns out the engine was getting too hot and there's a software interlock that prevents the compressor from coming on when this is the case. Maybe you have, but I simply wasn't paying attention to my Engine temp dial to note that it had gone all the way to hot. Takes look at yours the next time this happens and see if maybe the engine is running hot.

I tried a trick I heard about to turn on the heater to full blast because that makes your radiator bigger and helps the Engine cool off. HAH! The computer simply did another calculation and shut down the heater and blower motor altogether as well. All is fixed and back to normal now hat the source of overheating is identified. Of course, none of this is to say thats the problem you're having. We'll have to hear back from ya. :-) posted by  JaneiR36

No it doesn't. All it means that a 12 year old who is off school for the summer and has access to a computer can pretend to be something he isn't.

Theoretically, a kid who graduates high school and has taken two years of an accredited course MAY be able to have one year of the two year work experience waived. There is no guarantee this will happen and actually only takes place maybe 50% of the time, and even then there are other squares that need to be filled.

More often that not, a kid straight out of high school that has taken automotive courses and goes directly into the workforce ends up as a floor sweeper/tire changer/oil changer at some place called Joe’s Quick Lube and Discount Prophylactic Emporium.

Those that are serious continue their education, work an apprenticeship at an independent garage or stealership and then starts looking at becoming certified in their early to mid 20’s, after several years of education and experience under their belts. Keep in mind that ASE certification is not mandatory and is only perused by those who are serious about an automotive career. That being said, I think over the last few years the difficulty level of the tests have been decreased to enable more people to become certified. Either that or I’ve gotten so much smarter the tests just seem easy. Yeah, that’s it. I think I’ll go with the latter.

-------------------------------------------

While we’re on the subject, this just happened to me last night. On the way home I stopped at the tack store to get some horse stuff. There was a new 18ish year old kid being the counter saw me in my work uniform. This was more or less our conversation;

Kid: Where do you work?
Me: What does it say on the shirt?
Kid: Do you need any help?
Me: With what?
Kid: At the shop, I do some mechanicin’.
Me: No thanks, I prefer to work by myself.
Kid: But I can help you out. I'm pretty good at changin’ out alternators and I did a water pump on my mom’s car last week.
Me: Well, that’s pretty impressive.
Kid: I know how to change starters and do oil changin’ too.
Me: Well, I’ll tell ya. If I ever decide I need an alternator or starter changer I’ll let you know.

:banghead:

Needless to say, he’s not a candidate for ASE certification. Wait a minute, maybe it was DARKtEAGLE. He’ll make a good door greeter at Wal-Mart someday. posted by  vwhobo

be careful with that trick... i left my heater on for too long and the radiator got too big and blew the hood open while i was driving. enzyte in the coolant is a safer bet b/c you can control the dosage... posted by  dodger65

Haha... I should confirm that the trick didn't work, anyway. The Engine software shut down my blower motor after a few minutes, just like it shut down my compressor. This was explained to me as an Interlock to prevent further damage when a part of a system is alreay broken. Both the compressor and blower resumed working once the condenser relay was fixed. posted by  JaneiR36