Question about 2004 Chevrolet Impala

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I just want to know where the ac valve to refill the air conditioner is at on this vehicle I'm more intune with imports

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LOOK UNDER HOOD BACK BEHIND THE ENGINE DOWN BELOW LOWER FIREWALL LOOK FOR LOW PRESSURE LINE OR EVAPORATOR LINE GOES THROUGH FIREWALL TO EVAPORATOR IT WILL HAVE A BLUE CAP ON IT.

Posted on May 26, 2010

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Posted on Jan 02, 2017

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My battery light indicator came on while I was driving and my ac suddenly started blowing hot air on my Lexus RX 300. This is a 2000 model and I'm wondering what to anticipate when I do take it in to...


The air conditioner demands more power/energy from the engine when being used. If the battery light came and instantly the air conditioner started blowing warm air it could be a few things to check out, to see if can be a simplevfix, or at least to guide service shop in right direction, to save some on trouble shooting. With a amp meter check to see if alternator is putting out enough amps to charge battery. See if alternator is slowly going out it will charge battery some for normal operation, but once you start using air conditioning, heat, (fans) it requires a lot more power of alternator to keep battery up while driving and using these luxuries . So at any auto,tire,battery place they can check your battery,alternator,complete charging system for FREE. If charging system is not working properly, yes your air will not work up to par as it is disigned to do this to not drain battery completely . However there is also belts you can check to make sure there tight, and not broke of course or slipping. There is your first step, for free check, and most likely , with these simple steps of trouble shooting, this will show the ugly problems face come through. Please let me know if this advice helped you. Thanks, mike

Jun 10, 2011 | Lexus RX 300 Cars & Trucks

2 Answers

When i turn on my air conditioner in my 1999 durango it blows out hot air. can i put in antifreeze myself or do i need to take to the dealership?


Antifreeze is only for the radiator, does not affect the air conditioner, make sure you have the setting on cold, if it is still hot than take it to your local air conditioner re gas station, most auto electricians do it, dealerships usually send them out which you end up paying extra for!!! You just need a re gas in your air conditioner.

Feb 14, 2011 | 1999 Dodge Durango

2 Answers

How to recharge recharge airconditioner


Hi, determine if your car uses R134 or R12 refrigerant. You will notice screw type connectors on the both the High Pressure Side and Low Pressure Side lines in models using R12 refrigerant. R134 compatible models have quick connect valves on both sides. Models made before 1995 may use the old R12 refrigerant. If this is the case, you must have your Chrysler's air conditioning system retrofitted to use R134 refrigerant. Mixing R12 and R134 refrigerants is dangerous and may cause damage to your vehicle. Check your air conditioning system pressure using an automotive air conditioning pressure gauge. Keep in mind that in order to get an accurate reading, the air conditioner has be turned on the coldest setting with maximum blowing power. Remove the Low Pressure Side port valve cap and set it aside. The location of the port varies, but it is usually in front of the engine block. Attach the refill hose to the port on the Low Pressure Side of the air conditioning system. The Low Pressure Side port is smaller the High Pressure Side port. Because the ports are different sizes, the refill kit hose should fit only on the Low Pressure Side port. Additionally, the High Pressure Side port will usually have a red cap or be marked with an H or the word High Allow the air conditioner to **** the refrigerant out of the can by slowly turning the valve on the refill kit hose. Pay attention to the way you hold the can. Most kits will have you hold the can upright when you recharge the air conditioning system. It may take as long as 10 minutes to empty a single can. Turn the valve to the off position and remove the refill hose from the port. Recap the port before closing the hood. Let the air conditioner stay on for at least 30 minutes. This allows the refrigerant to move throughout the entire system.
Take care

Aug 03, 2010 | 2006 Chrysler Town & Country

1 Answer

Air conditioner stopped blowing cold air, and has never been serviced before. When they were going to re-charge the Air conditioner it showed it was OVER charged. Why? Suggestions?


puzzle this one thats for sure ,using the machine you weigh the amount of gas that you take out ,now a vehicle like this should have a sticker under the bonnet telling you how much gas it should hold ,Which remember iam in spain so i have never seen this model but i would assume or guess that it should have about 700/750 grms of gas unless it has two units in the cab ?? Now what could have happened here is that the operator didnt turn the valves on at the gas bottle so it still had gas inside the ac machine valve block and the next person turned the valves on to use the machine and emptied your vehicle but as yours was low and with the gas in the valve block hes read that the vehicle had too much gas.Unless someone along the line has gassed up with one of these weekend mechanic can of gas cannisters

Jul 21, 2010 | 2005 Chevrolet Equinox

2 Answers

Im trying to charge my air conditioner in my 1996 Toyota Camary LXE that has a V6, but I can't find the air conditioner or the low pressure side.


THE LOW PRESSURE SIDE IS THE LARGER OF THE TWO LINES COMMING FROM THE AC COMPRESSOR, THE AC COMPRESSOR LOOKS LIKE THE PHOTO BELOW.64512e2.jpg

Jul 14, 2010 | 2003 Toyota Camry

2 Answers

Air conditioner blower stopped working on 2004


If the blower works but its just not blowing cold air, its possible to recharge the AC system yourself. Most auto parts stores carry AC recharge kits. Instructions to recharge the AC are belowl

RECHARGING AC SYSTEM

1.Turn the truck on and turn AC on HIGH
2.Locate the low side AC line (will have a valve and cap similar to the cap on a tire)
3.Insert the oil or R-134A can to the hose (Do not turn the screw to puncture the can yet)
4.Insert the other end of the refill hose to the low side valve
5.Puncture the R-134A can with the screw on the refill hose
6.You should feel the system suction the refrigerant out of the can
7.Check for frost on the AC lines and the air blowing inside the truck
8.If frost develops and the air is cold, you've successfully recharged the system and disconnect the refill hose. DO NOT ADD MORE REFRIGERANT...overcharging the system will damage your compressor and will be less effective


Best of luck and enjoy your vacation.
Greg

Hopefully this answers your question and you're able to get your AC working again. Best of luck.

Jul 29, 2009 | 2004 Honda Accord

1 Answer

How to fill the air conditioner system with freon Corsica 1995


RECHARGING AC SYSTEM

1.Turn the truck on and turn AC on HIGH
2.Locate the low side AC line (will have a valve and cap similar to the cap on a tire)
3.Insert the oil or R-134A can to the hose (Do not turn the screw to puncture the can yet)
4.Insert the other end of the refill hose to the low side valve
5.Puncture the R-134A can with the screw on the refill hose
6.You should feel the system suction the refrigerant out of the can
7.Check for frost on the AC lines and the air blowing inside the truck
8.If frost develops and the air is cold, you've successfully recharged the system and disconnect the refill hose. DO NOT ADD MORE REFRIGERANT...overcharging the system will damage your compressor and will be less effective
Hopefully this answers your question and you're able to get your AC working again. Best of luck.

Jul 17, 2009 | 1995 Chevrolet Corsica

1 Answer

The air conditioner blows hot air. Is there a way I can test for a leak in the system or does this require a technician? I am thinking it's not a compressor because it is blowing.


Apart from doing a low side pressure check, you can try to recharge the system yourself with a refill kit that's readily available at most auto parts stores. If you're concerned about a leak, also get a can of R-134A with the UV dye that will show any leaking components.
RECHARGING AC SYSTEM


  1. Turn the truck on and turn AC on HIGH
  2. Locate the low side AC line (will have a valve and cap similar to the cap on a tire)
  3. Insert the oil or R-134A can to the hose (Do not turn the screw to puncture the can yet)
  4. Insert the other end of the refill hose to the low side valve
  5. Puncture the R-134A can with the screw on the refill hose
  6. You should feel the system suction the refrigerant out of the can
  7. Check for frost on the AC lines and the air blowing inside the truck
  8. If frost develops and the air is cold, you've successfully recharged the system and disconnect the refill hose. DO NOT ADD MORE REFRIGERANT...overcharging the system will damage your compressor and will be less effective
Hopefully this answers your question and you're able to get your AC working again. Best of luck.
Greg

Jul 13, 2009 | 1996 GMC Sierra

2 Answers

Recharge Auto air conditioner


I just did this for my 1994 Camry. Does your camry use the R-134A modern refrigerant? Probably.

Go to an auto parts store and buy a can of R-134A with a pressure guage included. You'll need that guage so you don't overfill the system. I bought one that allows me to save the guage and buy cheaper refills int he future.

There are two AC valves. A small one, located in the left-rear of the engine compartment, behind the strut tower, just in front of where the passenger seat is located. It might have a cap on it marked "L". This is the "Low" port, and is the one you want. The larger "H" port is up near the battery, is bigger, and is the "high" port. You don't want to use that one, and besides, it won't fit the can anyway.

Locate that low valve in the left-rear of the compartment. Take the cap off (if one is still on there). Start the engine and get it up to running temp. Turn on your AC to maximum cool, fan at maximum. Follow the directions on the can. It's pretty simple.

You'll pull back on the bushing on the refill line, and then snap it onto the valve just like you'd find on an air hose. Snap it into place, and then start refilling. Make sure the can is upside down and that you rotate and shake the can to get the coolant out effectively.

Jul 03, 2009 | 1996 Toyota Camry

3 Answers

AC is not working


Sounds like the A/C system just needs to be recharged. When was the last time you had this done? Just take it in to your mechanic and he can do it for you and if that's not it for some reason, then he will be able to find the problem but most likely you need more freon added.

Benjamin

May 26, 2009 | 1995 Acura Integra Coupe

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