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06-05-2016, 12:16 PM | #1 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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What NOT to do if your ac doesn't work.
So last week my ac went out and I paid Toyota $200 to charge it. They did and it works but they said to bring it back if it goes out again. They did evac the system and pull a vacuum and it held.
But there still might be a leak and if so, I just blew $200. Today I was in NAPA and saw a recharge can with a built in gauge. I bet it was a LOT less than what I paid Toyota! I wish I tried that instead! Hindsight is always 20/20.
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06-05-2016, 08:52 PM | #2 |
Drives: Sedan 07 Join Date: Oct 2012
Location: Asia
Posts: 478
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Yeah, when troubleshooting you should always try with the cheapest approach first.
If it helps, you should never "recharge" your AC. Why? Because AC systems are closed loop, meaning the refrigerant (freon) should be contained forever in an ideal world. In the real world, the moment your AC goes out (the cooling doesnt work), it means there's something wrong with it--either a compressor not doing it's job, or you have not enough refrigerant. If they say it lacks refrigerant, then it means you have a leak somewhere--be it on your evaporator, condenser, drier or somewhere in the line/piping/tubing. And yeah, if there is too low of refrigerant pressure, the compressor might not turn on--so "recharging" the freon is a troubleshooting step for AC problems rather than a solution. Hope this helps. |
06-05-2016, 11:36 PM | #3 |
Toyota (TM) Shareholder
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There is no such things as a completely sealed system. Even under ideal situations you will lose some freon over many years. It is not a failure. You are losing freon on the molecular level but it may take five to ten years for it to effect AC performance. Also most aftermarket freon contains a mild sealant.
I thought I had suggested a freon can with a gauge in the original message. |
06-05-2016, 11:57 PM | #4 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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I just refilled mine a week ago. It wasn't working very well last year and this year was only a couple degrees colder than outside. It's now ice cream headache cold. My uncle had a can of R134A I could "borrow". Just waiting on the amazon delivery in a month or so now. Can't buy 134A in Canadia only R12A <-- a new hydrocarbon based stuff you can't mix with 134A.
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06-06-2016, 05:56 AM | #5 | |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Quote:
Ah but they ALSO said "come back in 500 miles so we can check for leaks"
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Synthetic Oil: Its All In Your Head |
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06-06-2016, 06:01 AM | #6 | |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Quote:
So....12a is available but 134a isnt? I dont think 12a is legal in the US cause its going to make the ocean submerge my house...
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Synthetic Oil: Its All In Your Head |
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06-06-2016, 06:04 AM | #7 | |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Quote:
I can change one sparkplug a week though. And the car has been in two relatively minor accidents one on the entire right side and one frontal collision 4 and two years ago. That might have something to do with it.
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Synthetic Oil: Its All In Your Head |
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06-06-2016, 03:19 PM | #8 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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R12a is not the same as R12... FYI
It is the same as propane but cleaner for use in refrigeration systems. |
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