Question about 1997 Buick Park Avenue

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AC not cooling

Car shop yesterday says I need a new compressor, BUT over the past 6 months, National Tire & Battery just recharged it with freon and it worked fine(ice cold) until now. Is there really a potential compressor leak OR something else?? Otherwise, cost $650 to $800 repair cost. Heater works fine!

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IF you had the system re-gassed and it worked fine for a while then there is a leak in the system. Leaks occur at the compressor seal behind the pulley ( repairable ) in pipes and fittings and in the evaporator and condenser ( corrosion holes from acidic process when there is moisture in the system from running without gas.) Unfortunately the only fix for this is new parts . There is a uv light and yellow coloured glasses that show up the leaks as a green dye, so have this done first to determine the degree of cost before you commit

Posted on Feb 09, 2014


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Posted on Jan 02, 2017

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SOURCE: 1999 Buick Regal drivers side AC blows hot

The battery change and the problem, may coindental or maybe not, your air regulator door actuator is probably stripped our just worn out, the regulator is attached to the damper that controls the drivers side air over the two coils. shouldn't be to hard to locate, but will require laying on your back and removing the under dash panel. it will probably be a small rectangular shaped module mount to the duct at a damper door! i hope this helps, if you want exact instructions they can be found at for 20 bucks. Merry Christmas!

Posted on Dec 25, 2008

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SOURCE: Air conditioner in 1992 Buick Lesabre wasn't blowing cold air

If you would take the car to Auto Zone, ask the employee to show you where the "low pressure cut off switch" is located and ask him to supply you with a small jumper wire, it is possible the a/c charge is not enough if the low press. switch didnt come on to turn the compressor on so you need to jump it across the two wire terminals with a wire and the car running on high fan/a/c full cold, then install another can of freon and feel the cold, the system should typically hold approx. 2 2/4 cans of 134a freon to be full if it was empty.

Posted on Jul 02, 2010

SOURCE: Which port do I recharge my ac in my 2000 buick

If you have no Refrigerant in the system,you don't put any in. It will just leak out and pollute the atmosphere.
Go to a repair shop that does A/C work and follows correct EPA standards for working on air conditioning.
You can't do that job at home without proper training and equipment.

Posted on Jul 30, 2010

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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

Do I have to change my compressor? This is my 3rd freon refill. A 230E '99 MB.

no you do not need a new compressor; take your car to an ac shop and, make sure they change the fill valves (they look like oversized tire valves inside the compressor where the freon lines attach (after time the o-rings fail in these and, they leak refrigerant; obviously your dealer has an incompetent ac mechanic or. these should have been inspected and, if having failed: replaced.

Feb 18, 2013 | 1999 Mercedes-Benz E-Class

1 Answer

We charged the system, with freon 2 4 onces, the compressor didn't go on , there is no cold air.checked fuses, relay. still no go. what next thanks jim

Ouch, are you sure the AC system was running with freon originally? it seems to me that it'd be running on R 22, which is an environmentally friendly gas, freon is illegal in all of north america for car AC use, im surprised you'd recharge it with freon.
Did you recharge it yourself with one of them self charge kits?
if it stopped cooling, first you should have it checked by an AC shop for a leak, thats the main reason it stops cooling, gas has escaped from the system, your vaporizer may not be functioning properly anymore either.
Have it checked by an AC pro before you ruin the system, then you'll really be in for a fork out of a few hundred bucks...
Good luck...

Aug 20, 2011 | 2002 Dodge Grand Caravan

1 Answer

My ac is not blowing cold in 2001 saturn sl1. I had the cooling fan replaced and it blew cold for 1 day. Then I bought a recharge kit and the pressure was to high for me to add freon. I took it to the shop...

If you can turn the compresser with your hand freely ? then you can just replace the clutch...if not, the whole compressor needs to be replaced..

Jul 06, 2011 | 1998 Saturn SL

1 Answer

Le sabre 1991 ltd handbook air conditioning is not very cold out of the vent

I had the same problem with my LeSabre. I took it to a mechanic and he found nothing wrong. Said it was an old car and things like that go out. I took it to a local ac repair shop. Turns out that the ac needed recharging. Anytime the freon is low, the ac compressor will not engage, to prevent the compressor from burning up. Freon contains oil that lubricates the internal parts of the compressor. Have the system checked to find out if a simple recharge is needed.

Jun 15, 2010 | 1991 Buick LeSabre

2 Answers


1--Turn your stearing wheel all the way to the left, so you can get to the a/c compressor, (compressor is under the car, on drivers side, near left front tire)
2 --On the drivers side, Jack up the car, a black cover under the car conceals the compressor, 2 little screws removes the cover, look for the compresser, left side near the front tire, once you remove the cover you can see the compressor.
3--there is a black or blue cap on the end of the compressor, this is where you input your refrigerant.
4-- turn your car on, turn AC on High
5. connect the the refrigerant tube to the compressor, and allow 5 to 10 min for it to go thru your cooling system.
6. check your ac for coldness.

hope this helps you good luck

Jul 09, 2009 | 2002 Lincoln LS

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97 Olds Aurora AC blowing warm air a day after recharging system

Several- The system should hold freon for years without leaking. There are pressure switches and they cut off the compressor with an undercharge and an overcharge. You need guages to measure the charge. There are testers the A/C shops have called "sniffers" which can detect a leak. If you have no leak then you need a technician to add or remove freon to get the concentration right. Or you need guages.

Jun 12, 2009 | 1997 Oldsmobile Aurora

1 Answer

AC air is only cool, how do you recharge the compressor?

You can buy a can or,refil kit of R-134-A at walmart however only put the freon in on the low side (read the directions) if the freon gas will not go in; run an 18 gauge wire from the battery to the compressor clutch switch to run the compressor if the freon gas still won't go in it must be evacuated and, recharged by a shop. only put in enough freon to get the system cold any more than that and, you will lose cooling again (over charge)

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How to recharge ac in lexus sc 400

There is an AC port near the front of the car under the hood, it's a small silver tube, maybe with a cap. Connect a recharge bottle from an auto parts store on to this port and follow the bottle's dircetions.

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1 Answer

Ac compressor does not turn on when car has been sitting & it's hot outside. Works fine in the morning.

either the freon charge is about 1/3 low, or the expansion valve needs to be replaced. Freon is getting into the evaporator, but not in great enough volume to cool the air unless it is coming in cool to start with. check your ac charge, and if it is full, then have it emptied, change out the expansion valve, and recharge it

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