AC Mainit Pa Rin! - New Evap, Exp Valve and Drier

[autofrost]

hi cathy, as with your problem, pag nawawala ang lamig after a whyl, and goes back after switching it on again, specially when it is in traffic or at idling speed there could be various problems, 1 could be the condenser fan is not working, have your condenser fan fuse check if it is not yet busted or the fan motor itself is defective, 2 have your refrigerant level check, it maybe undercharged, pls have it checked for leaks, 3 maybe the filter drier is clogged, as you have said, my hissing sound ka nadidinig, its a sign that it is undercharged. if you have questions, pls feel free to call me * 09154139106.

[autofrost]

nga pla, i have read your post asking how much it will cost you if you replace your entire system, as for my estimate sa nippondenso system, it would at least range from abt 25t more or less, but your problem is so simple, u dont need to spend that much, ang problema nga lang, di nila ma detect yug talaga problem, kya k napapalaki ng gastos, at the same time, di nila mapatino system mo.

[warrior]

What happened to me once was the AC shop told me general cleaning ang recommendation. Only to find out after that the drive plate has too much clearance that the magnetic solenoid can not engage the compressor to the pulley. Puno ng freon at malinis lahat when i saw system during dismantling.I was so dissapointed with me and the shop for not seeing the simple problem. Pinokpok lang yung stopper para lumapit. Ayon sayang pera ko for refrigerant, valves and driers. Dual pa naman.

Drive plate is the front most part of the compressor. Pagsumasama ang ikot naka engage pag stationary yon hindi magpupump ang compressor ergo hindi lalamig. Clearance or gap is critical dito.

just like to ask, what is the problem when you went to the shop, totally no cold air or insuffecient cooling lang? thanks

[_Cathy_]

hi cathy, as with your problem, pag nawawala ang lamig after a whyl, and goes back after switching it on again, specially when it is in traffic or at idling speed there could be various problems, 1 could be the condenser fan is not working, have your condenser fan fuse check if it is not yet busted or the fan motor itself is defective, 2 have your refrigerant level check, it maybe undercharged, pls have it checked for leaks, 3 maybe the filter drier is clogged, as you have said, my hissing sound ka nadidinig, its a sign that it is undercharged. if you have questions, pls feel free to call me * 09154139106.

Hi Autofrost! If only I could go to Bulacan I think we could eliminate number 3 because I just had the drier replaced 2 days ago. Re the refrigerant level, is that the freon? How do I know if it's the correct level na? The guy said it should be between 20 and 40 daw? He didn't show me the gauge though after he charged it. Also I have a great feeling that something is wrong kasi they didn't show me the thermometer that they usually stick in the vent. I read in the post that it should be 12 C.

[autofrost]

its me again, u will know that the system is fully charged, 1 is when the suction tube is freezing cold, it is the big tube going inside the evap, the one enters in the firewall on the passenger side. 2 when there are no cloudy appearance on the sight glass on the filter drier. here in our shop kasi, we use top of the line diagnostic system analyzer, kya madali samin mag detect ng prob ng system, we charged the system with refrigerant by means of electronic charging, it is so accurate that up to .01 grams, calculated namin, kya d kmi na under o overcharged. i advise u to pls. dont rely on thermometer, maguguluhan ka lang, just rely onthe back of your hands if its like biting cold, hehe!

[_Cathy_]

just rely onthe back of your hands if its like biting cold, hehe!

If I'll use that as a gauge then my AC is really busted. hehehe. I drove my car a while ago and I was close to breaking a sweat (on low temp). Although I noticed that the car does get cold but it takes quite a while, like 15 minutes or so. Dati kasi almost immediate yung lamig. hehe. So I really should take it back to the AC shop. I'll list down all the things that you said so I have a ready answer for them.

[autofrost]

cge, pag dun ka na shop wer u had ur ac done, pa diagnose mu ulit sa kanila & ask them kung anu uli gagawin nila. then txt me, tingnan ntn kung mag jive ung diagnosis namin. hehe! backjob mu sa kanila, di naman nila na solve ung talaga problem e, kasi ung iba shop, pag dinala mu car mu para tingnan, diagnose kagad cleaning at palit mga pyesa like exp valve at drier, which usually last long naman given the proper installation and procedure.

[suv]

2 when there are no cloudy appearance on the sight glass on the filter drier. here in our shop kasi, we use top of the line diagnostic system analyzer, kya madali samin mag detect ng prob ng system, we charged the system with refrigerant by means of electronic charging, it is so accurate that up to .01 grams, calculated namin, kya d kmi na under o overcharged.

questions...

- ano yung dapat nakikita doon sa glass ng filter drier? kasi ang nakikita ko lagi parang may umiikot na fluid.

-Yung system analyzer nyo meron din sa mga aircon shop sa manila or halos yung mga ginagamit dito the same lang kayo...

thanks

[moe]

sight glass should be clear, no swirling bubbles.

[CPY61]

if your in the south part (las pinas cavite paranaque) try CeeJay aircon shop, their at alabang-zapote road near perpetual help just beside Allied bank along side shell. their good and reasonably priced just my two cents

[_Cathy_]

if your in the south part (las pinas cavite paranaque) try CeeJay aircon shop, their at alabang-zapote road near perpetual help just beside Allied bank along side shell. their good and reasonably priced just my two cents

Yeah thanks. I saw a lot of good comments re CeeJay in other thread. I'll go there if the AC shop that I originally went to gives me bogus diagnosis

[gooei]

am havign a similar problem with my a/c now. pero dina sya lumalamig totally. pinatingin ko sa tabi tabi sbi sira daw ang magnetic clutch ko, did i get that right? may marecommend b kyong aircon shops sa banawe or mandaluyong area? gusto ko sana 2nd opinion

[noelhingco]

Sometimes cheaper is really NOT better

we serviced it to cheap aircon shops and they told us to replace the old compressor.

still, we managed to keep the old compressor

the aircon mechanic bought and installed the "new daw" compressor

wlang nangyari

dinala namin sa DENSO service center mismo

(they did some repairs)

and then they also asked for the old one dahil defective umano ung biniling compressor

sinalpak nila

tapos ang problema.... sulit rin ung PHP 14,000 namin

sayang nga lang ung ginastos sa "bago daw" na compressor at doon sa lokong mekaniko

minsan, mas mabuti na lang na gumastos ka sa sigurado....

[_Cathy_]

Had my AC fixed last Feb. They replaced the compressor (Bnew original) and Drier. I paid a total of P15,500 for the job. AC is cool but I noticed that it is really noisy. At first I thought it was the engine. When I had my oil changed in Manila, I was told that the AC's clutch is bumibitaw or sumasabit (I actually can't remember). AC is still under warranty but I was so disappointed that despite the bnew compressor problems still arose in my AC system. I chose to have it replaced precisely because I don't wanna have headaches anymore My compressor is still under warranty and I plan to return to the shop next week. Actually I am overwhelmed because I also suspect that my car is due for overhaul so I don't know which repairs to prioritize. hehe. Analysis Paralysis na talaga.

BTW napaos yung busina ko after the AC repair/replacement. May kinalalaman ba yun or should I buy a new horn na?

[mbeige]

It's possible that the wiring for the horn got pulled. Check the connections around the general area. I think the Corolla will have its A/C compressor at the front right, lower section of the engine bay if memory serves. If the mechanic worked on the fans nagalaw siguro yung horns or its wiring.

Make sure the compressor was oiled properly prior to installation. I would think a brand new compressor would already have its own oil but it's better to be safe and have it checked. Kung sumasabit ang clutch ng A/C, it shouldn't dahil brand new siya (brand new compressor means compressor and clutch). And what does the mechanic mean by sumasabit - saan? Maybe you have bad engine mounts na and the compressor is hitting the body of the car? Does this happen only with the A/C on?

[_Cathy_]

Yup it only happens when the AC is on. Does that mean I got a defective compressor?

Wow galing! I was told by my other mechanic that I need to replace the engine and tranmission support. I plan to do so but I am just overwhelmed with which repair to do first. hehe.

[suv]

kung malapit ka sa banaue eh kay Sanzei ka sana nagpagawa....hindi ka bobolahin doon.....honest....hindi pa mahal ang price....

ingat din sa mga ibang car aircon shop na standard operating procedure eh palit filter drier kahit hindi naman kailangan palitan.....

[mbeige]

Yup it only happens when the AC is on. Does that mean I got a defective compressor?

Wow galing! I was told by my other mechanic that I need to replace the engine and tranmission support. I plan to do so but I am just overwhelmed with which repair to do first. hehe.

Well, there you go. Replace the mounts as soon as you can, you don't want a brand new compressor and its clutch hitting the right front chassis fork and possibly void the warranty mahal ang mounts, I suggest if you'll keep the car go with quality parts but if you have plans to sell it just replace with cheaper alternatives. That way you don't have to worry about spending too much on something you won't keep.

It's possible compressors can be defective out of the box.

Actually when you open the A/C system you MUST replace the drier, unless you're doing it so efficiently that it's only open for a few seconds at the most. That's because opening the system will allow moisture in, so the drier will absorb (adsorb?) that, and will need to be replaced so the new one can function better than a drier that's been exposed to moisture. Dyan pa kung saan napakahumid, I think it's cheap insurance mura lang naman yung part usually. In Cathy's case, palit compressor means palit drier too.

[yapoy86]

sayang money for repairs done without any significant result... to TS cathy_for_you you may also try looking for another shop.. baka LOW QUALITY yung freon na nilalagay sa A/C system mo.. i had the same experience na nag palit ng DRIER / FILTER, EXPANSION VALVE, etc and after all the parts changed still mahina lamig ng A/C ko.. then i consulted another aircon tech dito sa Las pinas si MR. COLDWET galing gumawa kasi talagang pulido... he again vacuumed my system for 1 hour and replaced the FREON with US made freon!!! Ayun after that lumamig na ng todo A/C ko up to now ok na ok pa din... normally aircon temp at vent is BELOW 10deg celsuis when A/C is engaged at idle... when vehicle is moving temp should be below 5deg celsius.. i've bought a thermometer to monitor my aircon temp and its amazing it can go as low as 0deg celsius... ORIG freon lang pala katapat...hehehehe magaling talaga yung tech meron pa sila gadget to retrieve freon unlike other shops na pinasisingaw lang yung freon which is bad for the environment..

[_Cathy_]

Sabi US freon daw. Lumalamig pero matagal (parang nagpapainit pa muna hehe) Saan malapit si Mr Coldwet? Near Ceejay's ba?