Question about 1995 Saturn Sl

1 Answer

AIr conditioner doesn't come on

When I turn on the air conditioner, the cooling fan doesn't come on (as it should) and the compressor doesn't come on with its usual loud click. Fuses and relays seem to be okay. The cooling fan motor was replaced last year. And here's the big clue -- I just had a new battery put in a few weeks ago. Before the new battery was installed, the a/c worked. Is there something the mechanic might have ''accidentally'' unplugged?

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  • yazzy42 Apr 15, 2009

    95 saturn cooling fan will not come on after we spent over $250 on new radiator.I am electricly stupid and can't admit it to my sister as it is her car.I am not sure where the PCM is to check it or where the relays or other sensors are in order to check them.Will someone please help a brother out.

  • jeff5may32 Jul 04, 2017

    Saturn's are notorious for this. Make sure your antifreeze is strong enough and that there are no coolant leaks that prevent pressure from building in the cooling system. This includes the cap for the coolant tank.

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  • Saturn Master
  • 1,249 Answers

There are pressure sensors in the refrigerant plumbing that can prevent the system from starting if system pressure is low. If any of these are loose or unplugged the compressor will never engage. The compressor clutch also has a connector that can be unplugged also.

Posted on Jul 04, 2017

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Posted on Jan 02, 2017

sparxxinct
  • 73 Answers

SOURCE: 97 Saturn Sc air conditioner not able to recharge

i would verify the ac clutch is still grabbing first as that is a lot cheaper.

Posted on Feb 26, 2009

  • 232 Answers

SOURCE: Air conditioner compressor not kicking in. Is it controlled by a relay or a fuse?

Yes a relay or relays in the engine compartment. The fuse cover should tell you where they're at.

Posted on May 11, 2009

  • 490 Answers

SOURCE: air conditioner not blowing cold air. We put

Is the air actually blowing into the car?But it's just hot?It sounds like your blower motor is not turning to blow air.you have a fuse,check the switch that controls the blower,and the blower motor it self.

Posted on Jul 27, 2009

  • 22 Answers

SOURCE: my air conditioner is putting out cold air for a

OK, the requirement of Freon is 2 cans...as for the Cold/Hot problem, a little info first; the PCM controls the AC clutch (adjusts the IAC, Idle Air Control valve to speed up the idle when turning on the AC unit, and slows down the idle after turning off the AC unit), also the PCM controls the relay that cycles the AC clutch. My experience has been that the relay is "going South". This bad boy is in the fuse block in the engine compartment by the Air Filter box. The relay is an inexpensive item, and if you live where the AC unit is used frequently, I would recommend it being replaced every 3-5 years. Be sure to check with the mechanic to make sure he properly recharged the system, and if so, try these ideas.

Posted on Jan 23, 2010

roniecon
  • 6826 Answers

SOURCE: 2001 Saturn L200 Air conditioner issue

You need to make sure the freon is correct,by having ac gauges put on the system,if the compressor is running the gauges will tell if there is a problem with the ac system itself,now,it can be the temp door actuator motor that is in the dash,if it is not moving the temp door open,it will need to be replaced.

Posted on May 27, 2010

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there will be a cooling fan in front of the condenser ( ac unit in front of the radiator) that should be running as soon as you turn the ac on. If that is not working then the head pressures for the compressor become excessive and to save the compressor from damage it is shut of at the clutch at the pulley. When you are moving there is air flow through the condenser and so the head pressures are maintained at the correct level. Have it checked out by an accredited auto ac specialist . If you have a viscous fan hub on the engine fan the consider replacing it as it is not pulling air through the radiator when idling

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On my 2001 Honda Accord EX, the cooling fans will not come on when the air conditioner is turned on and it will not cool. What is causing this?


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Try unplugging the air conditioner compressor under the hood. There should be a plug near to its pulley. With the compressor unplugged, try turning the fan switch to AC again & see if it still blows the fuse. If it does, there's a problem somewhere in the wiring between the switch and the compressor. If not, the problem is in the compressor's pulley clutch.

Jul 26, 2014 | 2003 Kia Rio

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AIR CONDITIONER WONT TURN ON


A few basic principles for air conditioner troubleshooting. For both central home air conditioner or window air conditioner, the first thing to check is whether the unit is getting proper power. If the unit uses 220 volt power be sure that the proper voltage is getting to the unit. Same for 110 volt units. A voltage meter can be used to assure that the voltage is correct.

For window air conditioning units the voltage can also be checked before and after the thermostat. If voltage is being supplied to the thermostat but not from it then the thermostat probably needs replaced. This is a fairly common problem. Another place to check is the fan motor voltage. The fan on window air conditioners runs both the indoor blower and the condenser fan. If that motor fails than the compressor may run for a short time, but will overheat and shut off. Continued operation like this will result in compressor failure. This motor can be economically replaced for larger window air conditioners, but for smaller ones the cost of replacement will be more than a new unit.

Central air conditioners for the home are more complex and there are more things that can go wrong. As with the window air conditioner the thermostat can also be a problem. The central air conditioner thermostat will only have 24 volts going to it. So don't look for high voltage there. Some units the voltage will be coming from the outdoor unit and others the voltage will be supplied by the indoor air handler or furnace. Most home central air conditioning will be supplied by the indoor air handler or the furnace. If the air conditioner is for cooling only the unit will usually have only two wires going to the condenser unit. Make sure that you have 24 volts across those wires.

The next thing to check will be the indoor blower. If your thermostat is calling for cooling then the indoor blower should be running. If there is no air moving across the indoor cooling coil then you will soon have a big block of ice formed on the coil. This can happen for a few reasons. The indoor blower is not working, the air flow is restricted and not allowing air to move across the coil. A clogged air filter would also do this. Or the outdoor condenser unit has lost the charge of refrigerant.

Finally and worst of all is when you have a complete compressor failure. Often when this happens the compressor will "lock up" or not be able to turn when power is supplied to it. Overheating or lack of lubrication are usually the main causes of compressor failure. Overheating can be caused by the outdoor coil around the compressor getting clogged with dirt, leaves, or grass. Loss of the refrigerant charge will also cause the compressor to overheat. It is the cool return gas coming back to the compressor that helps to keep it from overheating.

As you can see there are many things that can go wrong with an air conditioner and I have not come close to exhausting the possibilities here. I have just touched on the most common problems in a very basic way.
There are some basic trouble shooting things that can be done very easily. Most problems are above out of the range of comfort for many homeowners and professional help should be consulted before any attempt is made at repairs. Remember also, that the release of refrigerant gases into the atmosphere is a federal offense in the
US. Proper care must always be taken to minimize the release of any gases. A license is also required to handle refrigerants. Make sure that the professional you call has the proper certifications to handle refrigerants properly.


http://www.fixya.com/support/r3636709-size_air_conditioner_need

http://www.fixya.com/support/r3623253-window_air_conditioners_clean_every_year

http://www.fixya.com/support/r3633369-portable_air_conditioning_great_portable

http://www.fixya.com/support/r3623166-heating_air_conditioning_scams

http://www.fixya.com/support/r3597468-you_can_add_air_conditioning_to_your_hot

http://www.fixya.com/support/r3583697-how_to_keep_house_cool_without_using_air

Sep 17, 2010 | 2001 Jaguar XJ8

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Air conditioner not cooling


A few basic principles for air conditioner troubleshooting. For both central home air conditioner or window air conditioner, the first thing to check is whether the unit is getting proper power. If the unit uses 220 volt power be sure that the proper voltage is getting to the unit. Same for 110 volt units. A voltage meter can be used to assure that the voltage is correct.

For window air conditioning units the voltage can also be checked before and after the thermostat. If voltage is being supplied to the thermostat but not from it then the thermostat probably needs replaced. This is a fairly common problem. Another place to check is the fan motor voltage. The fan on window air conditioners runs both the indoor blower and the condenser fan. If that motor fails than the compressor may run for a short time, but will overheat and shut off. Continued operation like this will result in compressor failure. This motor can be economically replaced for larger window air conditioners, but for smaller ones the cost of replacement will be more than a new unit.

Central air conditioners for the home are more complex and there are more things that can go wrong. As with the window air conditioner the thermostat can also be a problem. The central air conditioner thermostat will only have 24 volts going to it. So don't look for high voltage there. Some units the voltage will be coming from the outdoor unit and others the voltage will be supplied by the indoor air handler or furnace. Most home central air conditioning will be supplied by the indoor air handler or the furnace. If the air conditioner is for cooling only the unit will usually have only two wires going to the condenser unit. Make sure that you have 24 volts across those wires.

The next thing to check will be the indoor blower. If your thermostat is calling for cooling then the indoor blower should be running. If there is no air moving across the indoor cooling coil then you will soon have a big block of ice formed on the coil. This can happen for a few reasons. The indoor blower is not working, the air flow is restricted and not allowing air to move across the coil. A clogged air filter would also do this. Or the outdoor condenser unit has lost the charge of refrigerant.

Finally and worst of all is when you have a complete compressor failure. Often when this happens the compressor will "lock up" or not be able to turn when power is supplied to it. Overheating or lack of lubrication are usually the main causes of compressor failure. Overheating can be caused by the outdoor coil around the compressor getting clogged with dirt, leaves, or grass. Loss of the refrigerant charge will also cause the compressor to overheat. It is the cool return gas coming back to the compressor that helps to keep it from overheating.

As you can see there are many things that can go wrong with an air conditioner and I have not come close to exhausting the possibilities here. I have just touched on the most common problems in a very basic way.
There are some basic trouble shooting things that can be done very easily. Most problems are above out of the range of comfort for many homeowners and professional help should be consulted before any attempt is made at repairs. Remember also, that the release of refrigerant gases into the atmosphere is a federal offense in the
US. Proper care must always be taken to minimize the release of any gases. A license is also required to handle refrigerants. Make sure that the professional you call has the proper certifications to handle refrigerants properly.


http://www.fixya.com/support/r3636709-size_air_conditioner_need

http://www.fixya.com/support/r3623253-window_air_conditioners_clean_every_year

http://www.fixya.com/support/r3633369-portable_air_conditioning_great_portable

http://www.fixya.com/support/r3623166-heating_air_conditioning_scams

http://www.fixya.com/support/r3597468-you_can_add_air_conditioning_to_your_hot

http://www.fixya.com/support/r3583697-how_to_keep_house_cool_without_using_air

Aug 29, 2010 | 1996 Ford Explorer

1 Answer

Air conditioner just stopped working. When you turn it on....nothing...it won't blow out any air even if air conditioner button is off. Any ideas what might be wrong?


A few basic principles for air conditioner troubleshooting. For both central home air conditioner or window air conditioner, the first thing to check is whether the unit is getting proper power. If the unit uses 220 volt power be sure that the proper voltage is getting to the unit. Same for 110 volt units. A voltage meter can be used to assure that the voltage is correct.

For window air conditioning units the voltage can also be checked before and after the thermostat. If voltage is being supplied to the thermostat but not from it then the thermostat probably needs replaced. This is a fairly common problem. Another place to check is the fan motor voltage. The fan on window air conditioners runs both the indoor blower and the condenser fan. If that motor fails than the compressor may run for a short time, but will overheat and shut off. Continued operation like this will result in compressor failure. This motor can be economically replaced for larger window air conditioners, but for smaller ones the cost of replacement will be more than a new unit.

Central air conditioners for the home are more complex and there are more things that can go wrong. As with the window air conditioner the thermostat can also be a problem. The central air conditioner thermostat will only have 24 volts going to it. So don't look for high voltage there. Some units the voltage will be coming from the outdoor unit and others the voltage will be supplied by the indoor air handler or furnace. Most home central air conditioning will be supplied by the indoor air handler or the furnace. If the air conditioner is for cooling only the unit will usually have only two wires going to the condenser unit. Make sure that you have 24 volts across those wires.

The next thing to check will be the indoor blower. If your thermostat is calling for cooling then the indoor blower should be running. If there is no air moving across the indoor cooling coil then you will soon have a big block of ice formed on the coil. This can happen for a few reasons. The indoor blower is not working, the air flow is restricted and not allowing air to move across the coil. A clogged air filter would also do this. Or the outdoor condenser unit has lost the charge of refrigerant.

Finally and worst of all is when you have a complete compressor failure. Often when this happens the compressor will "lock up" or not be able to turn when power is supplied to it. Overheating or lack of lubrication are usually the main causes of compressor failure. Overheating can be caused by the outdoor coil around the compressor getting clogged with dirt, leaves, or grass. Loss of the refrigerant charge will also cause the compressor to overheat. It is the cool return gas coming back to the compressor that helps to keep it from overheating.

As you can see there are many things that can go wrong with an air conditioner and I have not come close to exhausting the possibilities here. I have just touched on the most common problems in a very basic way.
There are some basic trouble shooting things that can be done very easily. Most problems are above out of the range of comfort for many homeowners and professional help should be consulted before any attempt is made at repairs. Remember also, that the release of refrigerant gases into the atmosphere is a federal offense in the
US. Proper care must always be taken to minimize the release of any gases. A license is also required to handle refrigerants. Make sure that the professional you call has the proper certifications to handle refrigerants properly.


http://www.fixya.com/support/r3636709-size_air_conditioner_need

http://www.fixya.com/support/r3623253-window_air_conditioners_clean_every_year

http://www.fixya.com/support/r3633369-portable_air_conditioning_great_portable

http://www.fixya.com/support/r3623166-heating_air_conditioning_scams

http://www.fixya.com/support/r3597468-you_can_add_air_conditioning_to_your_hot

http://www.fixya.com/support/r3583697-how_to_keep_house_cool_without_using_air

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2 Answers

Air conditioner blows hot air inadvertantly.


possibl ac compressor clutch problem,cooling fan at rad not working so ac goes into high press mode and turns off(so it doesn,t blow system apart,built in safety)not enough r134 in system(low charge)

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2 Answers

AIR CONDITIONER QUIT WORKING


Pop the hood, start the vehicle and turn the AC on. Watch the compressor, it should have a center that rotates on an off and you should hear a clicking sound. This is the compressor clutch you are looking at. If the compressor is not doing this, check the fuses for the AC. If the fuses are good, then most likely the high side sensor switch is not working, therefore the clutch never engages and the air never gets cold.

Try that and get back to me, ok?

Sep 18, 2009 | 2003 Kia Sedona

1 Answer

Air conditioner is not blowing cool air, but fan still blows


check the compressor with the ac running and make sure the compressor is kicking in and out in not the compressor might be bad or te clutch on te front of te compressor, sometimes u can get to much freon in them to i did it ounce

May 30, 2009 | 1998 Cadillac Eldorado

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