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How to up stop a ac evaporator - 2000 Chevrolet Suburban

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Do you mean clean out the drain for the ac and heater box ?

Posted on Jan 11, 2013

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Posted on Jan 02, 2017

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My yaris 2007 car ac stopped working before 2 months slowly , means sometimes work and some times doesnt work , and not at all . before 2 weeks i showed 2 car ac tachnicians both told to change control...


The best I can tell u is that the smell is from a leak at the evaporator or connections. I advise to get another opinion because it sounds like a lot of guesswork. if u get the work done, make sure the work comes with a warrantee! I gave all my customers warrantees for 20 years. That's part of the diagnostic business! Good Luck If u don't get a warrantee ,don't get the diagnosis or work done

Mar 25, 2017 | AC Cars & Trucks

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AC works for about 300 miles then stops and blows hot air. New AC compressor and freon charge. After sitting for a while it will again blow cold.


I think you have a similar problem to mine. At highway speeds is when it happens. And it is not blazing hot? Right?
Your evaporator is freezing up - as this happens the ice surrounding it prevents the flow of air over the evaporator coils and the result is warm air coming out of the registers. If I turn off the AC for about ten minutes and let unit melt the cold air comes back. This does not occur in stop and go driving.
I combat it by either running the fan at a higher than normal setting to increase air flow over the evaporator and then turning off when it gets too cold, OR using the air control to allow warmer outside air to enter into unit at highway speeds to prevent freezing up.
Newer cars have more sophisticated sensors and controls to prevent this but some older vehicles are subject to this anomaly.
Since it works fine under normal conditions I have not messed around with the freon level in system. If you release a tad of refrigerant the low pressure switch will shut off the compressor sooner and help minimize ice buildup. Good luck.

Aug 19, 2016 | 2000 Ford Taurus

1 Answer

Hello, Am sure your day is good. I had earlier raised this concern:I have a challenge with the AC system of my 2007 Volvo XC90. When the AC is turned on, its cools outside(bur net area) around the pipes...


I am concerned that what you have been told may not be exactly true. If the pipe to the inside of the car from the ac compressor is frosting up ( water condensation) then it has a low pressure area which indicates that the gas is getting through the evaporator ( bit inside the car). If the evaporator was blocked then the low pressure switch would switch off the ac compressor (low gas/no gas)
because the gas could not get past the blockage then the high pressure switch would stop the compressor because of high head pressures which can damage the compressor.
The most logical thing is that the TX valve is partially blocked or the thermostat setting is wrong.preventing sufficient gas flow into the evaporator to cool the car.
If you car has a climate control system then that unit may need checking. Best have an accredited ac specialist shop check the system
And to answer you question as to possibility of flushing or cleaning or washing out the evaporator. this is not a possibility as there can be no moisture what ever inside an ac system. However you can check if the cooling fins on the evaporator are blocked with an oily type dust then you can use an ac fin cleaner . This will allow the air to pass through the evaporator fins and help boil off the gas from the TX valve.

Dec 30, 2014 | Volvo Cars & Trucks

1 Answer

My car AC stopped cooling. it started working again after I refilled the gas but stopped working less than 24 hours after. So I suspect there is a leakage somewhere on the Evaporator


It could be a leakage, but maybe you are low on refrigerant (the liquid that goes into AC's to make them cool).

In both way you should see a mechanic.

Sep 10, 2013 | 2008 Toyota Camry

1 Answer

2003 Ford expedition AC question they want to replace the condensor, compressor, evaporator coil and condensor coil. how reasonable does that sound?


you have a leak and if you can hear it or smell it its a good one, most likely its a connecting leak where ever the components connect to each other. with an internal seal leak, such as compressor or evaporator, your freon will last about a month,with a external connection leak, your freon last a couple days

May 24, 2013 | Cars & Trucks

1 Answer

Front evaporator


you need to remove the dash

Jul 20, 2012 | 2006 Jeep Commander

1 Answer

HOW TO CHANGE AN EVAPORATOR ON A 1989 DODGE ARIES


To replace the AC Evaporator core you must remove the dash from the car, a very complicated job, a factory manual is not an option here. You can access the factory manuals for a fee at this site www.alldatadiy.com, it is what shops use. The job takes about 12 hours at home.

Feb 14, 2012 | 1989 Dodge Aries

1 Answer

Our front ac is not working and back is cold in our 1999 GMC suburban, we tried putting freon and it didn't work


Dual zone front/rear ac systems have 2 evaporator cores. And 2 orifice tubes, which are just inline
filters. Either your front evaporator core or orifice tube is probably stopped up.

Sometimes you can get to the evaporator cores without removing them from the vehicle, and clean it.
Evaporator cores do get stopped up sometimes, because the blower motor pulls in air with dust and debris from outside, and the air is cooled when it passes through the evaporator core.

But evaporator cores are a nightmare to replace, you usually have to remove lots of stuff under the dash and lots of stuff under the hood to remove them.

Aug 12, 2011 | 1999 GMC Suburban

2 Answers

Leak in a/c system,installed 2 cans freon w/oil & stop leak.Can got cold once putting in temp. insice hot always.


Stop leak, thats great, now its going to cost even more to repair your a/c system. Take to a shop that does a/c and prepare to pay. its going to need a compressor, condenser, evaporator, drier, exp valve and possibly hoses.

Jun 05, 2010 | 2002 Jeep Liberty

2 Answers

What would be wrong with a 99 caravan if the ac stopped working suddenly?


either the clutch on the pump went out or the system has no freon left.

Jul 10, 2009 | 2003 Dodge Grand Caravan AWD

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