Just want to get some advice,
Let me inlaws use my 03 corolla this weekend, the A/C died on them on the way to GA, they said it made a loud noise and had to pull over, once the engine started again, the AC only blew warm air. They took it to a local shop around GA, and the compressor wouldn't turn on.
Now, I worked on it all Labor day trying to find out what was wrong.
What I have found out.
1. Replaced the M/G Relay, now the Compressor turns on! $32 part from Napa
2. The Freon Levels were up to 100 psi, Way too much, It's back to the normal levels 35-45psi I found out when they went to the shop, the mechanic must have put more freon in it thinking.. oh this will kick on the compressor. Without checking with a gauge FIRST! ARgh!
3. Changed out the Cabin filter,. nice post on that in this forum (not that this will make a major affect, but the filter was Nasty.. 7 years of dust/leaves.
4. Even ran cold water on the Condensor to see if it will help it didn't.
So now, that the compressor works, I hear it kick on when I press AC On, the Freon levels are fine, appears to not be any leak, because it has held it's freon fine. I leave the car running for 10 mins after a complete Freon drain/refill. Still the AC lines are warm and not getting cold.
Could it be a Sensor or the AC Unit it self? Could this be something with the Evaporator? Anybody have a idea to why the Relay would go, and how it affects the cold air. Could my Compressor still be shot even when it's kicking on?
Any advice would be appreciated. Thanks.
If anybody cares, and it helps those who are searching around.
I found a leak in the D-Pipe on the high side that enters the condensor. A large amount of oil and grease right around that area, and on the condensor.. so that is the problem so far.
Will have to get that replaced will cost like $40 from online dealer. Not sure how hard it is to just switch out AC lines.. but it's cheaper than $100 the guy down the street quoted me.
Just in case somebody runs across the same problem I have.
This is what I have done so far. I just replaced an O ring on the disposal ac Line that goes into the condensor. This i the High side I believe. It had a A/c Oil leak so I decided to replace the O ring and see what results I get. I rented a Vacuum pump, and have to rent some A/C gauges/lines tonight to vacuum the system and then I will recharge with AC
Picture of leaky AC line. Notice how oily and dark it is. clear indication of leak.
Purchased O rings at Local car parts store.. $6.99
OEM O ring Looked fine.. could this really be the problem
How Freon is our Ac system suppose to take? I couldn't even finish one 12 oz can and the pressure gauge was at 80psi already? Does that mean I have a clogged system? help anybody>?
that would seem so, I tried to recharge the AC system with one 12 can of R134 from walmart,
got halfway through the can. and the PSI is at 80 already? is this a clogged/plugged orifice? do we even have one on our cars?
Rock damage on Condensor, can't believe i didn't see it earlier..
Dang..
no that is not Oil that is soapy water, I guess this should need replacment, But i don't want ti replace it if it's fine.
Or is this causing a pinch in the condensor? doesn't the freon have many other lines to flow through?
that would seem so, I tried to recharge the AC system with one 12 can of R134 from walmart,
got halfway through the can. and the PSI is at 80 already? is this a clogged/plugged orifice? do we even have one on our cars?
I don't know if these cars have an orifice valve or not.
I would take the car to a shop and have them completely evacuate the system, and flush it out. That might indicate if there's a plug in the system somewhere.
The rock damage should not plug the condenser. Most condensers today are parallel flow units, which means that all of the refrigerant runs from one side to another. So if one tube is pinched, it'll just flow through all the rest. Now, if it's a serial flow unit, which is not common today, the refrigerant flows through the unit in a serpentine pattern, using one tube to go in one direction, then the next tube to return back, then the next tube to go back the other way, etc. In that case, one pinched tube WOULD plug the system, but I don't think that's the way these systems are designed.
that would seem so, I tried to recharge the AC system with one 12 can of R134 from walmart,
got halfway through the can. and the PSI is at 80 already? is this a clogged/plugged orifice? do we even have one on our cars?
Assuming you are filling it on the low side while the A/C and the compressor is running, the only guess I have is that your gauge is wrong. Maybe the GA mechanic didn't overfill the system, and when you measured 100 PSI, it was actually correct pressure.
My overall guess is that your compressor is broken, because it didn't cool when you had the correct pressure.
Assuming you are filling it on the low side while the A/C and the compressor is running, the only guess I have is that your gauge is wrong. Maybe the GA mechanic didn't overfill the system, and when you measured 100 PSI, it was actually correct pressure.
My overall guess is that your compressor is broken, because it didn't cool when you had the correct pressure.
Yeah, I think your right on the money on that one Tbarsd.
I was talking to a guy on the AC Auto forums he says the same thing which makes sense, since the compressor isn't fully running, i still have 100psi of static pressure darn it! that's like a $400 DYI fix. ARGH!
Thanks for the Input guys.. I will have to wait till winter time for some money, I will post more when I get my compressor and condensor.
Hasn't anyone hears about the technical service bulletin AC002R-06.
I haven't taken my car to the dealer, but suspect this is the problem with my A/C working intermittently. I found this TSB when I googled my problem.
Well after many trials I finaly got a new compressor, it was already pre filled, and I put in a bottle of First Charge from Autozone, Rented a pump and AC manifold gauges, and hours later I had cold air in the system.
It was the compressor. Thanks for all those who helped. even though it's colder outside it's still good to know that when summer rolls around I have AC.
The Following User Says Thank You to Bomix For This Useful Post:
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AC Problems What else could it be?
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