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05-26-2016, 11:04 AM | #1 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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AC Not Working: What Should I Do?
2009 hatchback, 44 k miles. I seldom use the ac, mostly in winter for defrosting.
Is there anything I can check myself? How does one troubleshoot the ac and what tools are needed? Thanks!
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Synthetic Oil: Its All In Your Head Last edited by bronsin; 05-26-2016 at 05:09 PM. Reason: Change title |
05-26-2016, 11:25 AM | #2 |
Drives: '08 2zr swapped Vios M/T Join Date: Oct 2012
Location: Caledonia Ont.
Posts: 2,938
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Buy a pressure reading gauge, it will have a high and low side and allow you to see if you are low in coolant.
If you seldom us the a/c then changes are it is a seized compressor, but i'd first check the pressure of the coolant, this will also show if you have a leak. That is why a/c should be run every week or so even just briefly. Keeps the oil in the coolant circulation through the compressor so it doesn't seize
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No one ever wants to give a Yaris the point by... |
05-26-2016, 11:27 AM | #3 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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In winter it is but I'm not so good about summer.
Where do you hook up the gauge? Will the gauge show a bad compressor?
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Synthetic Oil: Its All In Your Head |
05-26-2016, 12:18 PM | #4 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Checked my 2001 ECHO SERVICE MANUAL and first thing it says is check the sight glass for bubbles.
Yep lots of bubbles..
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Synthetic Oil: Its All In Your Head |
05-26-2016, 01:18 PM | #5 |
Drives: '08 2zr swapped Vios M/T Join Date: Oct 2012
Location: Caledonia Ont.
Posts: 2,938
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On my sight glass it say I should see bubbles after use, but i've never really been able to see them, I don't trust that thing all too much.
You hook up the gauges to the high pressure side I believe. Not 100% sure but there iis , few good videos online about it. It won't show a bad compressor per say but it'll help you point to that direction if that is in fact the issue
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No one ever wants to give a Yaris the point by... |
05-26-2016, 05:32 PM | #6 |
Toyota (TM) Shareholder
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You have a couple options as far as a gauge. You can get a professional set that hooks up to both the high and low side or a can of Freon that comes with a gauge and hooks up to the low side.
Although technically a sealed system, over the years some Freon may leak out. I added a little Freon two years ago and has been fine since. Keyword is little, too much is real bad. If you go the Freon can route I would go no higher than the beginning of the green area on the gauge when adding freon. Look for one that has sealant and seal conditioner. Bubbles is generally a good sign as it means the freon is moving and hasn't all leaked out. |
05-31-2016, 11:50 AM | #7 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Toyota has the Yaris. They're going to pull a vacuum on the system after sucking it dry and see if the vacuum holds. This is $190.
Hmm the classic deal is do this then the system runs dry and its mo money for another component. I ll let you know. I like pulling the vacuum and wait and see if it holds. Hopefully they wait a year or so.
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Synthetic Oil: Its All In Your Head |
05-31-2016, 01:38 PM | #8 |
Drives: '08 2zr swapped Vios M/T Join Date: Oct 2012
Location: Caledonia Ont.
Posts: 2,938
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As a side. I checked my a/c window after using it for 20mins. There was no bubbles and then I moved/tapped the viewing glass and bubbles appeared a stayed.
So I guess the bubbles do work but may need to be helpe with some movement for them to show
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No one ever wants to give a Yaris the point by... |
05-31-2016, 03:18 PM | #9 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Huh well here's the deal.
Toyota call ED space and said they drained and filled the system and found no leaks . They want me to come back in 500 miles and check again for leaks. Im guessing they put dye in there in case it leaks. Seems like a possible setup for more work for them to do and get paid for. This is why you want to DIY but I'm to old for that anymore.
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Synthetic Oil: Its All In Your Head |
05-31-2016, 04:42 PM | #10 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Yep they put dye in.
Also they did a 10000 mile inspection for free and found nothing wrong and wrote it up. I think they get $300 for that.
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