Question about 1996 Pontiac Grand Prix

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How to recharge the A/C coolant

Which valve do i use?

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  • Pontiac Master
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The small one,the hose will not fit the high side fitting ,only the low side will it fit

Posted on Jun 01, 2010

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1 Answer

2009 Nissan Rouge AC stop blowing cold air. The fan blows but just not cold. The AC motor compressor seems not to turn on. Is there a fuse to check and where can I find it?


You are low on coolant. It needs to be recharged. The pump won't come on if it's low on coolant in order to protect the system as the coolant contains oil to lubricate the system. You can buy do it yourself recharge systems for relatively cheap or go to a shop.

May 11, 2017 | Nissan Cars & Trucks

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Diagram of low pressure port valve on 1996 ford ranger air compressor


If you don't know the difference between "coolant" and "refrigerant", you probably should not be fooling around with the A/C, it can be dangerous. And yes, words do make a difference. That is how we communicate. The best thing you can do if you want to work on vehicles, is get some books and educate yourself. The low side port is going to be somewhere between the compressor low side (the larger line) and the accumulator/dryer. Find the line and follow it. It can't be too hard to find as it is a general service port.

Sep 09, 2014 | Ford Cars & Trucks

1 Answer

Adding coolant to my air condioner.


there are usually two lines for the A/C. they are usually a dull silver aluminium but sometimes covered with a black rubber protector. The valves (plugs) to recharge your A/C look like an over size tire valve where you put air in your tires. The kit you got from the part's store to recharge your A/C should be able to explain the rest of the directions to you. It is a vacuumed system so be careful when messing with it and follow all the direction's with the kit. If you loose the vacuum you will have to take it to an A/C shop to have it put on a machine to pull a new vacuum on it.

Jul 14, 2012 | 2004 Lincoln LS

1 Answer

I am trying to put an AC recharge can into my car and can not locate the valve where the cans dispenser is to be connected to complete this...please help


Attach the end of the recharge hose to the low side pressure port on the passenger's side of the engine compartment, near the firewall. Look for the metal coolant lines and follow the lines to locate the low side pressure port. The port is usually covered by a plastic cap. Screw the discharge end of the recharge hose -- the end without the handle/valve -- to the pressure port.
  • Screw the valve end of the recharge hose onto the top of the can of refrigerant. Turn the handle clockwise to pierce the top of the can of refrigerant. Turn the handle counterclockwise to allow the refrigerant to flow into the hose.
  • Start the Cutlass. Turn on the air conditioning to the maximum setting.
  • Turn the can of refrigerant upside down and gently swirl the can. This moves the refrigerant from the can to the hose and into the air conditioning system.
  • Insert a thermometer into the interior of the center air vent and test the temperature of the air coming from the duct. It should be approximately 35 degrees colder than the ambient air temperature.
  • Add more coolant if necessary. If you are using 12-ounce cans, unscrew the first can and screw the hose onto the second can. Turn the handle clockwise to pierce the top of the can, then turn it counterclockwise to allow the refrigerant to flow into the hose. Do not add more than 24 ounces to the system. Take your Cutlass to a service center if you have added more than 24 ounces to the system and there is no difference in the temperature.
  • Turn off the engine of the Cutlass.
  • Turn the handle on the recharge hose clockwise to seal the can of refrigerant of it is not empty. If it is empty, unscrew the can from the hose. Unscrew the discharge end of the hose from the low side pressure port. Place the colored cap over the pressure port.
Retrieved from "http://www.wikituneup.com/wikit/1997_Oldsmobile_Cutlass_Charge_Air_Conditioner"

Aug 09, 2011 | 1996 Oldsmobile Cutlass Supreme Coupe

2 Answers

Air condition blowing hot air. Type of car: 2003 nissan pathfinder 4x4. Should I replace/add coolant?


Lack of Coolant wouldn't cause your AC to blow hot air.

You may have a vaccum leak in your dash board that is causing your heater to remain stuck.

If not this, then you will have to have your AC recharged. You can purchase a recharging kit from your local auto parts store! Fortunately, your vehicle can use the newer type of AC Recharging kits so you have many options!

Good luck and I hope this helped!

Jun 03, 2011 | Nissan Pathfinder Cars & Trucks

1 Answer

What kind of coolant is used in this car, and how do I recharge it?


You can use any premium brand. Simply follow the directions on the container. It will also tell you how often to drain & replace the coolant. Most brands last either one or two years. The drain valve is on the bottom back side of the radiator.

Jun 03, 2010 | 2005 Chevrolet Malibu

1 Answer

Where is the high pressure air conditioning coolant valve located on a 98 MPV ?  We are trying to recharge the coolant.  Found the low pressure valve - can't see the high pressure / red one...


Some times they are hard to find.Find the high side line/hose,on the compressor,follow the line until you find the ac high side service port.The small line is the high side,If I can help any further let me know roniecon@gmail.com

Jul 22, 2009 | 1998 Mazda MPV

1 Answer

Problem with air conditioning on 2001 mitsubishi mirage. "Sometimes" will not blow cold, just hot. Coolant level ok. Usually will will start blowing hot after runnning air while car is stopped at idle....


the air conditioning system has most likely drawn moisture this is not good take it to have the system recovered and a new restrictor valve put in. leak checked and recharged

Jun 22, 2009 | 2001 Mitsubishi Mirage

1 Answer

Ac does not work


sounds like moisture in system freezing up in the expansion valve. might recover 134. pull sys down and recharge. you know after thinking about this.
what about clutch cycle switch.

just some collective thinking

shack

Apr 18, 2009 | 1997 Mercury Villager

2 Answers

1992 f150 ac


Did you replace the 'expansion valve'. If the expansion valve is full of **** no coolant will get through to cool.

Aug 08, 2008 | 1992 Ford F150 SuperCab

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