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October 19th, 2007 12:09 AM #1
Hi. I drive a 96 Corolla. I just had my AC repaired today. Exactly a year ago I was in the same ac repair shop. Below are the details of what was done to my car:
Sep 2006:
General Cleaning - P850
Flush System - P300
Replace Filter Drier Denso Original - P1500
Replace Cooling Coil Serpentine -P4000
18 Oct 2007:
General Cleaning - P1,100
Flush System - P300
Replace Filter Drier Denso Original - P1,500
Replace Expansion Valve Denso Original - P1,600
I am really frustrated because after all that has been done, my AC doesn't function as well as it did before. It got even worse because before the repair/replacements done today I could do with just number 1, but now I have to switch to number 2 even if I have no passengers at all. I was told that the reason why the drier broke down so easily was because my radiator was leaking (which is true coz I saw it myself). Given that it is true, I just don't understand why it's still mainit. It really isn't just my imagination coz before the recent break down I really don't go above number 1 when I'm driving alone e going home from the repair shop I was a second away from brreaking a sweat. It wasn't that hot naman. Also I noticed that the pitch of my car horn got higher. It sounds so bad. I thought I was just imagining it but our helper didn't even recognize the horn and my dog didn't even bark thinking that it was another car. I feel dyaje to go back to the repair shop just a day after coz they might say that there's nothing wrong naman. Also the mechanic might think that I'm too finicky. Also do you guys know what the temperature inside the car should be when the AC is on low? They didn't show me the temp kasi. Last year they showed it to me before I left. So do you guys recommend that I go back tomorrow or should I just switch to another repair shop? or should my priority be buying a new radiator? The top portion is leaking badly kasi, they said that if I don't have it repaired immediately, it might cause the other parts near the radiator to break down as well (from the heat) . Thanks
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Tsikot Member Rank 4
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October 19th, 2007 12:41 AM #2Also do you guys know what the temperature inside the car should be when the AC is on low?
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October 19th, 2007 01:02 AM #3
One thing about AC system in automobile is that rarely can it be fixed part by part if something went wrong previously.
Meaning, let's say something went wrong before, you let it slide and you only do freon top-ups... That's a big start of something that'll snowball as years go by.
Everytime you lose freon and recharge it, most smaller shops don't replenish the oil in your compressor at the same time. If I'm not mistaken, all AC system should have a proper ratio of freon to oil in order for everything to run smoothly.
If you only top up freon and not the oil, soon enough, o-rings will stiffen, compressor bearings will lack lubricity, pressure valves will fail, evaporators will leak, etc etc etc.
If you only fix things a part at a time, you're just going to replace things continously.
Based on my experience, as soon as something goes wrong with the cooling system, have it done by a reputable shop, fix the problem and replace the consumables right away like drier, freon and replace compressor oil.
Been there before, AC repairs every 3-6 months for 3 straight years... Got sick of it and got everything fixed in one go. Change compressor, flushed all coolant/oil, replaced what should be replaced (o-rings, expansion valve, drier) and filled it up with proper freon and oil ratio. Problem gone for half a decade with ice-cold cooling.
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October 19th, 2007 04:44 AM #4
I completely agree. I had the same experience and it's really best to have somebody look at the whole system instead of just replacing a broken part.
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October 19th, 2007 10:28 AM #5
Try mo pacheck yung ac compressor mo bka busted. Kase kailngan nagpapawis yung tubo ng ac papunta sa loob ng ac condenser. tapos kung ipapaservice mo ulit. try mo pabaklas yung evaporator, tapos yung tubo na papuntang ac compressor pabaklas mo den. Tapos pabugahan mo ng hangin. baka kase my bara na yung tubo. pag ayaw paren. d ko na alam hehehe
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Verified Tsikot Member
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October 19th, 2007 10:45 AM #6+100 kay theveed
know everyone wants to save a little here and there
i summed up all my receipts doing that and still ended up having the entire AC system (except hosing) changed on my 15 year old ride
so butas ang wallet and savings pero sobra naman lamig ng auto
moral of lesson:
punta ka sa marunong at reputable na lugar
acquistion cost will really set you back but will pay off later
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October 19th, 2007 11:41 AM #8
yup tama palit ka na ng shop (they didn't seem to know how to properly diagnose your ac system)
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October 19th, 2007 05:05 PM #9
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Verified Tsikot Member
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October 19th, 2007 07:24 PM #10Sep 2006:
General Cleaning - P850
Flush System - P300
Replace Filter Drier Denso Original - P1500
Replace Cooling Coil Serpentine -P4000
18 Oct 2007:
General Cleaning - P1,100
Flush System - P300
Replace Filter Drier Denso Original - P1,500
Replace Expansion Valve Denso Original - P1,600
i was looking at your expenses ... i think your problem is your cooling coil ... serpentine usually cost 2500 - 3000 ... the problem sa serpentine matagal lumamig ... that may be the probelm ... if your paying for a good cooling coil ... dapat nag laminated ka na ... 4000 - 5000 ..... you don't have to pay 4500 for a serpentine
you can also change oil ng compressor baka kulang na yung lakas niya ...
BANAWE AUTO SUPPLY
regy
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