Question about 2001 Buick Century

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The a/c is blowing hot air freon or compressor?

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On this year Buick the AC compressor front shaft seal is prone to leaks and this allows the R134 refrigerant to leak by the seal, with no charge the compressor will not run, the system is lubricated by oil that mixes with the refrigerant, no charge and no lubrication, so the system turns the compressor off. You can replace the compressor fairly cheap (less than $100.00) by buying a rebuilt one on eBay, I did this with my Century last year and so far so good. The compressor comes out through the right front wheel well after the plastic liner is removed.

Posted on May 18, 2011

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Posted on Jan 02, 2017

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SOURCE: air will not blow cold after freon has been put in it

ymeadows: If you have properly re-charged your A/C system to the correct pressure and do not get cold air coming out of your cabins vents, then you have a clog somewhere in the A/C system. This may be caused by a dirty orifice tube or expansion valve (same part different name) or the clog could be in the evaporator or condenser. I would not continue to use your A/C until you locate the source of your problem as this may cause over-stressing of other critical A/C components. If you are mechanically inclined and familiar with how A/C systems work, I would start with replacing the orifice tube or expansion valve. These can be on the high or low side of the A/C system and varies from one make and model to another. PLEASE VOTE FOR THIS SOLUTION IF YOU FOUND THIS INFORMATION HELPFUL, THANKS,

Posted on Jun 01, 2009

dcgun007
  • 63 Answers

SOURCE: a/c in jetta blows hot air, its been charged, compressor comes on.

you need to have it diagnosed by a professional. These are complicated systems even to a trained tech. You may be over or under charged, have a clogged expansion valve, have a leak or many other issues. This model has a rcv refrigerant control valve inside the compressor which regulates the pressure of the compressor. If you notice the compressor never shuts off like conventional auto a/c's do the only time the clutch works is when you turn it on or off. Can be complicated.

Posted on Jun 20, 2009

  • 83 Answers

SOURCE: 2003 COROLLA S AIR CONDITIONER BLOWS HOT AIR.5

If it blew cold air after freon added and 5 days later blew warm, you may have a leak in the system. Also check and see if compressor comes on if not you may have an electrical issue, relay for compressor,coil on compressor, etc.......

Posted on Jul 24, 2009

  • 1 Answer

SOURCE: I have a 99 chevy Silverado 1500 and my ac blows

bad actuator

Posted on Mar 02, 2010

  • 37 Answers

SOURCE: 1999 Ford F150 AC fully charged with freon is blowing hot air

there are few things you need to check out:
1. if the compressor is overcharged it will shut down and you won't get any cool air
2. the thermostat for your cooling system is bad
3. the link to adjust the temperature is too short (did you feel the switch loose when changing temperature from hot to cold)?
hope this helps.

Posted on Jun 06, 2010

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1 Answer

2010 SONATA BLOWS HOT AIR


Make sure the compressor is turning - check out the compressor clutch for operation. Also check the operation of the thermostat which turns on/off the clutch.

Sure the freon is in there? If you have a nasty leak it will come out as fast as you put it in. Also check the low pressure shut off valve. If stuck in the open position the clutch will not activate the compressor.

Jun 22, 2015 | Cars & Trucks

1 Answer

1995 Buick Century blowing hot air.


A mechanic would check the system with a set of pressure gauges. If the compressor is running, the low side would read around 30psi and the high side would be around 250psi. That is how you know if the system is full of freon or not.
You may have to get a professional diagnosis to proceed. If you replace the compressor, the accumulator needs to be replaced and a vac pump is used to pull all of the air out before the freon is added.

May 07, 2013 | 1995 Buick Century

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A/C blowing hot air 2000 CDX Daewoo


over filling it was a big mistake, so was guessing.
the freon is added by weight, from empty. not volume.
if the compressor spins, and no cold air , then its a big problem
the only tiny problem to cause this would be leaves packed in evaporator coil. (deep inside air box in cab)
take it to a shop before you damage the compression and fill the whole
thing full of metal chucks wrecking everything, at once $$$$
do not let the compressor run, if it dont get cold. do not.
get it serviced.

Apr 12, 2013 | Suzuki Forenza Cars & Trucks

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Arcondition blows hot air, freon in the blue and clutch on compressor engage


Make sure your blend door is closing all the way and that the actuator actually works.

Aug 23, 2012 | Cars & Trucks

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Air Conditioner Not Functioning


It may still be low on freon. It can hold several cans.
High side should be around 250psi and low around 35 or 45psi at idle if system is charged.
If you raise engine speed the low can drop below 20psi and switch off the compressor if the system is low on freon.
Could be a restriction in the system, bad relay, or bad a/c compressor-clutch.

Jun 25, 2012 | 2006 Lincoln Navigator

1 Answer

2003 Tiburon air conditioner won't blow cold air


Most likely your problem is the same as mine, which means you have a crack in your air compressor therefore no matter how full you fill the freon it will always drain (or blow) right out. Solution - get a new air compressor. Try to find one in a chop shop junk yard type place if you can do it yourself.

Alternate problem - freon can lose its charge. You can take it to just about any auto store and get the freon charged up for about $70. If that doesn't fix the problem it is likely the compressor.

May 28, 2010 | 2003 Hyundai Tiburon

1 Answer

How can I determine if my compressor is out on my


If you still get cold air out of the rear vents but the front only blows hot air you may have a bad temp door actuator in the dash, it may be stuck on hot and not able to move to cold air. However if you are low on freon with a truck that has front and rear ac then there will be a temp diff between the two. If it is hot air out the front like the heat is on then you have that actuator problem but if it is cool air about the same as the outside air temp then you may be low on freon.

May 23, 2010 | 2004 GMC Yukon

1 Answer

1995 j30 air conditioner just blows hot air. set to auto and no noise from compressor. happened all at once, working when car was shut off but not working when restarted. compressor going bad or a switch...


I would start with adding freon to system, from what you are stating freon is low. You may have a small leak, so use freon with leak seal, also use freon with gauge so you dont over fill and blow orings.

Jul 09, 2009 | Infiniti J30 Cars & Trucks

1 Answer

A/C is not blowing cold air


if the a/c compressor clutch is not engaging, you will never have any cold air. if the system has too much or too little freon in it, that will also mess it up. If system is undercharged, the compressor will short cycle, instead of staying on till the thermostat tells it to disengage. I suspect your problem is in the compressor and that is where i would look first.

Jun 25, 2009 | 1997 Plymouth Grand Voyager

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