Question about 1995 Pontiac Bonneville

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You say inlet is that where i charge the system with freon

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The system is charged at the charging port in the low pressure AC line, this is the larger of the two lines, on some models there may be a charging port in the reciever drier, that is the round can the low pressure line goes to.

Posted on Jun 17, 2009


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1 Answer

Where is the a/c charge inlet

Right on top of compresser. Get a can with a hose on it from auto parts or walmart . The fitting on the end will only fit the right fitting that you need..

Jul 02, 2014 | 2007 Chrysler 300

1 Answer

How to charge

If you mean how to charge a/c Hook up your gauges or a/c station and evacuate the system. Check the tag in engine compartment to see how much freon the unit holds.Purchase enough freon in cans to equal amount system holds and suck into system on the low side or weigh the freon in thru your charging station.

Jun 08, 2014 | 2002 Honda Passport

1 Answer

Charging air conditioner

There is a lot to doing the job correctly, but sometimes with luck you can get acceptable results with minimum expense and effort. It all depends on how much Freon is left in the system.
The repair for a system with remaining Freon in it is a different repair job from a system that is empty. The Freon pressure keeps worse things from happening. You will find a fitting to add Freon on the accumulator(black oblong tank) or on a line close to that part. With the engine running and A/C engaged; you need to check the Freon pressure with a gauge.
If the A/C compressor is not kicking in, the connector on the low pressure switch needs to be disconnected and jumped with a looped wire. Add Freon if you have low pressure. Note the pressure because the low pressure switch has a rated working pressure and weak pressure switches can cut out early.
Fill the Freon to a moderate working level. You want the A/C to stay working longer which it will do when it is charged between the high and low pressure limits.
But if you find that there is zero pressure in the system, at a minimum you need to rent or borrow a Vacuum pump and evacuate the system. Then add Freon with a sealer and a small oil charge. Operate the system and drive 20 minutes minimum to circulate the sealant. Check pressure after 24 hours and top off the Freon charge.
If the leak did not seal, you will need professional help and tools to replace the leaking part. There are leak detectors, but some of the fittings require special tools to change.

Jul 16, 2013 | 1996 Ford Thunderbird LX

1 Answer


The water system and the Freon system are two different things. You would just use antifreeze in the heater core and control valves for this system.

The Freon system should have remained sealed unless it was disconnected to move it out of the way. It is usually recommended to replace the dryer (black oblong tank) whenever you open the Freon system. If the Freon system was opened, you need to borrow a Vacuum Evacuator pump from an Autoparts store and run it to pull out all the air inside the lines and create a Vacuum for the Freon to be added.

There are special pliers and "O" rings for the joint unions.

Next, for the Freon system, you would need to jump the low pressure connector switch to activate the compressor clutch to draw in the Freon. It is going to take several cans of Freon to recharge an empty system. Not all cans are the same size, and I recommend 1 can having at least some oil charge be added to the fill. Like car sizes, each car has different amounts of room for the A/C equipment lines. The Manufactuer should have a label stuck around the fan shroud to show how many ounces the system will take. More is not better. You will get into partial can situations, but Freon can stay in the dispenser can if you have good equipment to leave attached.

You use pressure gauges which can also be borrowed from Autozone, for instance, and used to measure the amount of Freon you have installed. Once you have put in 1 can of Freon, you may be able to reconnect and remove the jumper wire from the low pressure harness. The A/C compressor clutch should continue to cycle and draw in Freon when it does cycle.

Overcharging the system will break hoses and may damage seals. There is a high pressure cut-off switch. So you want to charge the system to have pressure between the low and high pressure cut-offs to work at optimum efficiency.

I hope my solution helps you.

Mar 16, 2012 | 2005 Lincoln LS

1 Answer

My freon needs charged buy I cannot find the right port to charge it up. Where is the port located?

Low pressure port is located close to the A/C compressor on the inlet tubing. You need to access it from underneath the front bumper/engine area.

Check the below picture..

Aug 10, 2010 | 1997 Oldsmobile Achieva

1 Answer

How can i recharge the air conditioner? Where is the hose located?

Ok if you want to do a home repair in hopes of saving yourself a lot of money and with hopes your system is not in major trouble, here goes:
First step buy 3 types of 1 lb. cans of refrigerant R134a at a parts store, 1 can of leak detector freon combination, and if possible 1 can freon/air conditioning oil combination freon along with 1 can of straight r134a freon.
The store will sell you a charge hose with a cheap type of charge gauge attachment and fittings to attach to your system for the re-charge.
Providing your system is low on freon,First, with the vehicle running and the a/c on full cold, high fan, install the 1 lb. can of freon/oil combo first only charging through the low pressure side of the system never through the thin line high pressure side as the pressure from the high side can enter the cgharging freon can and explode it like a bomb,(this low side line is the larger hose and the low side charging hose fitting the parts store sells you will only screw onto the low side charge valve which is normally marked "low" on the top of the plastic dust cap that is factory installed(hand screwed) on the low side valve fitting.
Secondly after the oil/combo can is emptied into the low side and you of course are wearing mechanics hand protection gloves and eye protection googles, then and only then will you install the leak dector 1 lb. freon can combo.
Third you will install the last 1 lb can of r134a freon, however your vehicle will not allow the whole last pound of freon into its system by means of a pressure relief blow valve that will automatically blow off any excess pressure once the system over fills, the system typically holds approximately 2.75 lbs. of freon.
If you have successfully installed the above freon into the system it should be up and running providing the system is in fairly good working order, by that I mean it may have a very slow leak that allowed the freon tio originally escape in the first place causing you to refill it, and if it does have a leak the leak detector die that you installed into the system should leak out from wherever it may be escaping from, indicating the place of needed repair by means of a red or blue, or whatever other designated coloration the die gives out from the leaking area.
Please note: Not all home charging techniques typically work as there are many mechanical failure factors in an a/c system that may require a certified a/c technician to determine exactly why your system is not working should the home remedy fail.
I hope this helps you and remember to always work safe with eye and hand protection especially around freon gases which become extremely cold and can cause frost bite when contacting with the bare skin.

May 08, 2010 | 2001 Cadillac DeVille

1 Answer

I need to charge my a/c, does anyone know how? It's a Jaguar S Type, 2001 and thhe system needs to be charged but I can't figure out where the inlet valve is. Michael

the inlet vavle is the tube with the big fitting on it usually located on the high side of the system (hot to touch) the canister of freon will only fit on one of the fittings. look against the fire wall of the car and look for the aluminum tubing that comes from the wall that leads to the radiator area you should be able to tell which one is the right one to use.

Apr 02, 2010 | 2001 Jaguar S-Type

1 Answer

1999 Dodge Ram AC blows cold at idle and up to 40 mph

Most likely the orifice tube/expansion valve needs to be replaced. Depending on the type of system, you will have one or the other but they both perform the same function. The expansion valve is typically located at the evaporator inlet. Orifice tubes can be located at the evaporator inlet, in-line between the condenser and the evaporator, or in the condenser outlet. You will have to discharge the system in order to replace. Not very hard to do.

Jun 08, 2009 | 1999 Dodge Ram

2 Answers

Where is the freon inlet?

The port is on the low side of the suction line.This is the larger of the two lines from the compressor. Follow the line and you will come to it. It may have a cover over it. There are two ports, the low side is larger than the high side so there will be no mix up. If you are near Auto Zone store they can show you on computer where it is. It takes a certain amount of know how to charge the a/c system. DO NOT OVERCHARGE THE SYSTEM!

Sep 17, 2008 | 2000 Jaguar S-Type

1 Answer

AC not working

Is the system set to the recirculate position? If so, check the inlet under the dash, by the passengers feet, for anything blocking the pickup.This can cut the output in half.

Aug 06, 2008 | 1999 Buick Century

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