Question about 2004 Mitsubishi Galant

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No power to compressor 2 pounds of Freon compressor, expansion valve, dryer condenser an high pressure switch new.

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I would say that with 2 lbs of Freon in the system that the high pressure switch is stopping the compressor from working and being destroyed from liquid on top of the pistons. An ac system works by compressing gas to liquid and then releasing that liquid through a small orifice into a vacuum created by the ac compressor .With excessive liquid then that turning to gas situation will not occur and liquid will get to the pistons and stop the piston movement. I recommend that you take it to a ac specialist and have the system pumped down into a receiver tank and then the correct amount of refrigerant gas added .

Posted on May 19, 2014

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6ya6ya
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Posted on Jan 02, 2017

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emissionwiz
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SOURCE: A/C REPAIR AND IDLE PROBLEM

Clean the trottle body and air bypass valve, then disconnect the battery for 5 minutes, this should cure your concern.

Posted on Aug 18, 2008

  • 3 Answers

SOURCE: Recharging A/C freon

with the engine OFF you can charge it through the high side freon must be accurate among

Posted on Nov 12, 2008

david1d1
  • 1 Answer

SOURCE: hot air comes from my ac

I had the same trouble; it turned out to be a broken cable that controls the air temp. Look under the dash by the clutch pedal. Hope this helps.

Posted on Aug 15, 2009

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1 Answer

What causes popoff valve to popoff on 2005 Kia Sorento while adding freon


High pressure restriction look at the following components #1 overcharged system #2 condenser fans not operating when compressors on. #2 plugged or stuck closed expansion valve (oriface Tube) #3 restricted condenser.

Apr 07, 2014 | 2005 Kia Sorento

2 Answers

Where is the expansion valve located on the 2004 KIA Sedona


Kia Sedona expansion FRONT valve located under dash, behind glove box, fan and coil. Evacuate freon first. Disconnect Freon lines from firewall., Lay right front seat back to flat horizontal position and lay on top or totally remove the seat for easier working access. Remove under dash cover, fan, glove box, coil housing, remove coil mounting bolts, remove old expansion valve. (Inspect old valve, if debris inside, blow out coil before installing new valve. If visible debris best to consider replacing REAR expansion valve and DRIER/FILTER in front of radiator too and blow out all lines and coils while servicing.) Use compressor oil to lubricate "O" rings on new FRONT or REAR expansion valve, install valve bolts, reinstall coil bolts to FRONT firewall or REAR frame, reconnect freon lines to firewall in engine compartment. Evacuate AC system, install freon (35 1/2 ounces, nominal 3 pounds), check system for leaks, check for proper operation, enjoy.

Sep 12, 2012 | 2004 Kia Sedona

2 Answers

Where is the expansion valve located on a 98 Grand Am 3.1?


Grand Am has an expansion valve. Link below has part number and picture of what you are looking for.
http://www.discountacparts.com/addtocart~year~1998~make~Pontiac~model~Grand_AM~descript~A-C_Compressor~part~60-40281.asp

Unfortunately, I do not know precisely. But for the most part auto a/c's are all the same. Below I will describe how to find it. I have also included a aguide to determine system operability that may or may not be helpful. Just trace the system with flow path described below the valve has to be between condensor and evaporator.

Reminder the flow for the a/c system is :
1. From the compressor a high pressure (HP) gas goes to the condenser in front of the radiator.
2. From the condenser a HP liquid goes to an expansion device (orifice tube or expansion valve)
3. From expansion device the low pressure gas enters the firewall to the evaporator.
4. From evaporator the low pressure liquid/gas mixture goes through the dryer2_bing.gif back to the compressor suction.

Below is a guide to troubleshoot and check system function. This can be done by most folks.

Look at the front of the ac compressor and have someone turn on the ac from inside the car. The front of the pulley(clutch) will spin when turned on.

If it does not spin, the low pressure switch (LPS) is not satisfied. Meaning there is not enough freon in the system to operate the system. Means low freon capicity because of a leak.

The LPS can be jumpered to cause the compressor to run (clutch to engaged) which will draw the freon in the system.

The LPS is usually a two wire sensor on the suction of the compressor. (between evaporator and compressor) Unplug the sensor and install a jumper, this will engage the clutch. Connect a new can of freon
and fill to system capacity.

The capacity of the ac system will be on a label under the hood, do not overfill. Probably about 2 lbs. Local parts stores (Auto Zone and Advance) will have freon with stop leak. This may help the leak. They also make a freon with a UV dye. I always add a single can with dye so that if stop leak does not work I can find the leak in the future.

The system should be filled until suction pressure is about 30 to 38 psi..

May 31, 2010 | 1998 Pontiac Grand Am

1 Answer

My ac wont get cool.......it blows hot air and(caddy seville 95)


Below is a guide to troubleshoot and check system function. This can be done by most folks.

Look at the front of the ac compressor and have someone turn on the ac from inside the car. The front of the pulley(clutch) will spin when turned on.

If it does not spin, the low pressure switch (LPS) is not satisfied. Meaning there is not enough freon in the system to operate the system. Means low freon capicity because of a leak.

The LPS can be jumpered to cause the compressor to run (clutch to engaged) which will draw the freon in the system.

The LPS is usually a two wire sensor on the suction of the compressor. (between evaporator and compressor) Unplug the sensor and install a jumper, this will engage the clutch. Connect a new can of freon
and fill to system capacity.

The capacity of the ac system will be on a label under the hood, do not overfill. Probably about 2 lbs. Local parts stores (Auto Zone and Advance) will have freon with stop leak. This may help the leak. They also make a freon with a UV dye. I always add a single can with dye so that if stop leak does not work I can find the leak in the future.

The system should be filled until suction pressure is about 30 to 38 psi..

Remember the flow for the a/c system is :
1. From the compressor a high pressure (HP) gas goes to the condenser in front of the radiator.
2. From the condenser a HP liquid goes to an expansion device (orifice tube or expansion valve)
3. From expansion device the low pressure gas enters the firewall to the evaporator.
4. From evaporator the low pressure liquid/gas mixture goes through the dryer2_bing.gif back to the compressor suction.

May 29, 2010 | 1995 Cadillac Seville

2 Answers

Where is the orifice tube on a 98 Buick LeSabre located?


not exactly sure but using info below you can find it.

Remember the flow for the a/c system is :
1. From the compressor a high pressure (HP) gas goes to the condenser in front of the radiator.
2. From the condenser a HP liquid goes to an expansion device (orifice tube or expansion valve)
3. From expansion device the low pressure gas enters the firewall to the evaporator.
4. From evaporator the low pressure liquid/gas mixture goes through the dryer2_bing.gif back to the compressor suction.

There will be about a 1" nut on the low pressure line between the firewall and the compressor. Remove nut and on the male side use a pair of kneedle nose pliers and remove orifice tube. Note orientation of tube.

Replace tube, reassemble, evacuate air from system, recharge with freon.

May 29, 2010 | 1998 Buick LeSabre

1 Answer

1992 ford aerostar ac not working


Below is a guide to troubleshoot and check system function. This can be done by most folks.

Look at the front of the ac compressor and have someone turn on the ac from inside the car. The front of the pulley(clutch) will spin when turned on.

If it does not spin, the low pressure switch (LPS) is not satisfied. Meaning there is not enough freon in the system to operate the system. Means low freon capicity because of a leak.

The LPS can be jumpered to cause the compressor to run (clutch to engaged) which will draw the freon in the system.

The LPS is usually a two wire sensor on the suction of the compressor. (between evaporator and compressor) Unplug the sensor and install a jumper, this will engage the clutch. Connect a new can of freon
and fill to system capacity.

The capacity of the ac system will be on a label under the hood, do not overfill. Probably about 2 lbs. Local parts stores (Auto Zone and Advance) will have freon with stop leak. This may help the leak. They also make a freon with a UV dye. I always add a single can with dye so that if stop leak does not work I can find the leak in the future.

The system should be filled until suction pressure is about 30 to 38 psi..

Remember the flow for the a/c system is :
1. From the compressor a high pressure (HP) gas goes to the condenser in front of the radiator.
2. From the condenser a HP2_bing.gif liquid goes to an expansion device (orifice tube or expansion valve)
3. From expansion device the low pressure gas enters the firewall to the evaporator.
4. From evaporator the low pressure liquid/gas mixture goes through the dryer back to the compressor suction.

May 29, 2010 | 1992 Ford Aerostar Extended

1 Answer

A/c low pressure quick disconnect location? 1999 ford expedition


on the tube between the firewall and the a/c compressor. On some Fords the low pressure port is on the dryer2_bing.gif (aluminium cylinder). Good news is the low pressure and high pressure port are different sizes. You cannot mess it up.

Remember the flow for the a/c system is :
1. From the compressor a high pressure (HP) gas goes to the condenser in front of the radiator.
2. From the condenser a HP2_bing.gif liquid goes to an expansion device (orifice tube or expansion valve)
3. From expansion device the low pressure gas enters the firewall to the evaporator.
4. From evaporator the low pressure liquid/gas mixture goes through the dryer back to the compressor suction

May 29, 2010 | 1999 Ford Expedition

1 Answer

Air conditioning not working


Below is a guide to troubleshoot and check system function. This can be done by most folks.

Look at the front of the ac compressor and have someone turn on the ac from inside the car. The front of the pulley(clutch) will spin when turned on.

If it does not spin, the low pressure switch (LPS) is not satisfied. Meaning there is not enough freon in the system to operate the system. Means low freon capicity because of a leak.

The LPS can be jumpered to cause the compressor to run (clutch to engaged) which will draw the freon in the system.

The LPS is usually a two wire sensor on the suction of the compressor. (between evaporator and compressor) Unplug the sensor and install a jumper, this will engage the clutch. Connect a new can of freon
and fill to system capacity.

The capacity of the ac system will be on a label under the hood, do not overfill. Probably about 2 lbs. Local parts stores (Auto Zone and Advance) will have freon with stop leak. This may help the leak. They also make a freon with a UV dye. I always add a single can with dye so that if stop leak does not work I can find the leak in the future.

The system should be filled until suction pressure is about 30 to 38 psi..

Remember the flow for the a/c system is :
1. From the compressor a high pressure (HP) gas goes to the condenser in front of the radiator.
2. From the condenser a HP2_bing.gif liquid goes to an expansion device (orifice tube or expansion valve)
3. From expansion device the low pressure gas enters the firewall to the evaporator.
4. From evaporator the low pressure liquid/gas mixture goes through the dryer2_bing.gif back to the compressor suction.

May 29, 2010 | 2006 Chevrolet Trailblazer

1 Answer

Same problem


Check for ac low pressure switch gone bad.If the expansion valve goes bad it will cause that problem,also, make sure there is enough freon in system.If you could get some one to put ac gauges on the vehicle you could tell a lot about the system,It would tell if the low side was too low(bad expansion valve)or if it was too high on the low side or high side (bas expansion valve or block dryer or condenser.

Aug 07, 2009 | 2000 Honda Accord

1 Answer

A/c compressor runs with dash switch off then loses freon from relief valve


we can solve this, but i need more info, a/c compressor should not run with the dash switch to off, so there could be a short in the switch or something is powering your a/c compressor.

another thing is the gas being relieve to your relief valve, your condenser fan could not be running there by creating a high head pressure to relieve on the relief valve or the valve could be open already and not the type where it seats back if the pressure is already low.

are you just putting gas right now as these things happens?

if so, you could have a clogged in your system, building a high head pressure to relieve in the valve.

the clogged could be in the filter dryer, or the expansion valve inside the evaporator coil.

tnx 4 using fixya,


drcool

Sep 28, 2008 | Chevrolet Crew Cab Cars & Trucks

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