Question about 2005 Mercury Grand Marquis

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How much Freon to charge ac unit 04 grand marquis

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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greg_margo
  • 1959 Answers

SOURCE: Which type of Freon do I use in a 1991 Grand

Unless it's been converted to the newer refrigerant (there would be stickers present indicating a conversion was done) you most likely have R-12. R-12 is only sold to those with a license to repair and service air conditioning.

Posted on Jul 06, 2009

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SOURCE: What kind of freon does a 1999 Mercury Grand

It uses 134. Remember to use the correct type of oil charge if the compressor is noisy. If you are doing it yourself and want to purge the system, you can get a vacuum pump on loan from Autozone or Oreillys. It is a big deposit but you get the money back when you return the machine.

Posted on May 06, 2010

consaka
  • 661 Answers

SOURCE: how do i install freon?

Well there are a couple of ways. A full gauge manifold along with a complete understanding of how the AC system works is the best way to do it. The cheaper guessing way is to go down to your local wally world and pick up a couple of cans of R134(assuming they used R134 that year) and the adapter that connects the can to the AC system tubing port(low pressure port, which is usually the fatter tubing)
Some people like to just get the conversion kits even if they are not doing a conversion because it comes with a gauge. 
1. Hook your valve with the blue hose to the can. leave the puncture needle screwed out. Then remove the blue cap from the AC system on the car(if the cap is black it may still be R12 If so the blue hose wont even fit on the port)
2. plug the other end of the blue hose onto the port and start the car. Turn the AC on full blast
3. turn the puncture screw on the can end of the hose in all the way and then turn it out all the way.
4. This could take a while and assumes your pump is working to some degree. If the pump is not running it could be due to low pressure. Most systems have a low pressure cutoff to keep from ruining the pump.

Notes:
1. Without a full set of gauges you really dont know what the system is doing.
2. Warning!!! do not put more then 3 small cans in without verifying your pressures. 3 cans should be enough to bring most empty systems up to working properly.
3. WARNING!!!! If your system is R12 you have 3 choices. A. convert it with a conversion kit. Most mechanics love this because almost nobody does it right and a year or less later the pumps die. B. recharge it for a rediculously high price and must be done by a certified shop. or C. buy a new car because it will be cheaper then getting it recharged with R12.

4. It is usually best to let a shop do the conversion since they will replace the dryer and be able to pump the air out of the system without releasing any Freon into the air (releasing freon into the air is illegal)

I think I covered everything. you might want to use a leak sealer to try and stop the leak. Also you must realize that if your system has any other failures in the pump or restricter that it may not be rechargeable..
Let me know if I forgot anything.
 

Posted on Jun 22, 2010

andtimd70561
  • 58 Answers

SOURCE: what kind of freon does a 1994 grand marquis use?

134a

Posted on Aug 24, 2010

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SOURCE: where do you add freon to 1997 mercury gran

You should find a fill stem on the black oblong tank or right next to it. This is the low pressure side. You should get a Vacuum pump which can be loaned from Autozone or Oreillys with a refundable deposit. You need to draw out the moisture in the system and create a Vacuum before you refill it.

You should also use an Oil charge for the compressor. There are Freon cans with the oil charge already in them. However, there are different weights of oil used in the compressor. Let the Auto parts people get you the right type for your car. There are different weights, just like engine oil has different weights.

You will need to jump the connector at the low pressure switch to get the system to take freon. Once you have enough to close the low pressure switch you can remove the jumper wire and fill at will.

Posted on Nov 21, 2010

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My 2001 mercury grand marquis with 89k, revs hi and low when the ac or the defrost is on, when they are off the car runs real smooth


This is normal. The PCM kicks up the RPM's when the A/c compressor is on. If the compressor is constantly on and off with the A/C on, check for low freon.

Apr 18, 2015 | 2001 Mercury Grand Marquis

1 Answer

I have a 99 grand marquis the a/c still blows could but it only blows hot air how do I fix this problem


If the blower works but no cold air, a mechanic would check to see if the system is low on freon, then check for voltage at the low pressure switch and the ac clutch as needed.

Aug 19, 2012 | 1999 Mercury Grand Marquis

1 Answer

Ac on 96 grand marquis continues to blow hot air with new compressor and freon?


The first question is do you know if the ac compressor is running ?
If one ac line is hot and the other is cold you may have a blend door problem under the dash.

Jul 01, 2012 | 1996 Mercury Grand Marquis

2 Answers

When ac is on heat comes out


The system may be under charged. Does the compressor kick on? The blend air door for the hot and cold may be stuck in the heat position. The tempature setting moves a blend air door between the heater core and the A/C evaporator.

Sep 16, 2011 | 2000 Mercury Grand Marquis

1 Answer

Where do you add freon to 1997 mercury gran marquis put on new ac compressor and need to add freon


You should find a fill stem on the black oblong tank or right next to it. This is the low pressure side. You should get a Vacuum pump which can be loaned from Autozone or Oreillys with a refundable deposit. You need to draw out the moisture in the system and create a Vacuum before you refill it.

You should also use an Oil charge for the compressor. There are Freon cans with the oil charge already in them. However, there are different weights of oil used in the compressor. Let the Auto parts people get you the right type for your car. There are different weights, just like engine oil has different weights.

You will need to jump the connector at the low pressure switch to get the system to take freon. Once you have enough to close the low pressure switch you can remove the jumper wire and fill at will.

Nov 21, 2010 | 1996 Mercury Grand Marquis

1 Answer

Mercury 2004 Grand Marquis blend door failure


replace the blend door motor, unless the blend door itself is broken then theres a replacement door or box that need to be installed, this is a big job, the dash needs to be removed to do this job and ac system drained of freon with an ac machine.

Apr 06, 2010 | 2000 Mercury Grand Marquis

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