Question about 1996 Pontiac Sunfire

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A/C not holding charge

Charged the system, but coolant leaked out as fast as I put it in. Just went out and purchased an accumulator, but can't figure out where it goes!!

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Need to find th e leak b4 u start replacing parts like a dye n leak test kit ur accumullator is on the rt side of engine bay

Posted on Jun 13, 2008

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Why did my Nissan Cube AC recharge leak as fast as I charged system.


You NEVER work on A/C systems,car,window unit,
roof top, commercial--- WITHOUT PROPER TRAINING

You can hurt yourself
You can ruin your car
You DID an excellent job of violating federal laws
& polluting the atmosphere

Have a repair shop REPAIR THE LEAKS, as you said
& then evacuate,leak test & recharge the system

You should not be buying or allowed to buy the wal mart
cans of refrigerant, as you can not add to a system under pressure
without the knowledge & proper equipment

Why would a car less than 4 years old have any a/c problems???

May 11, 2014 | 2010 Nissan Cube

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02 Navigator 4wd New Compressor running alot


Does this system have a nitrogen charged sphere like the citreon system where the accumulator holds a charge and its normally fitted to the pipe coming from the pump ,through the accumulator then onto the control valve ?? just a thought thats all

Mar 15, 2014 | Cars & Trucks

1 Answer

A/C and heating core


The leaking heater core won't keep the compressor from working.
You say the ac system is charged, but the compressor won't come on ??
The compressor has to run to charge the system, otherwise you will only get half a can of freon to go in. The system holds 3 or 4 cans when empty.
The low pressure switch has to be jumped to make the compressor run to take the first two cans of freon.

Jul 03, 2012 | Chevrolet Cars & Trucks

1 Answer

Not getting cold added three cans coolant no different


My question to you would be are you adding "coolant" to your engine (anti freeze or water) or are you adding freon to your A/C (tip off was the 'three cans').

If you are adding engine coolant, - that is a lot, 'three cans' - and your engine is still over heating, you should get your system evaluated by a pro.

Working on automotive AC is dangerous for the amateur. For starters, amateurs (like me) usually don't have the equipment required to properly evaluate the status of the charge in a automotive AC system. Over charging a charged system is dangerous to you and the equipment just as is operating a undercharged system. Normally, systems are able to protect themselves from operating under charged. Normally, the reverse is not true. Fortunately, we can only 'force' in so much freon.

You have done what you can at this point. It still doesn't work. It is time to go to a professional. It would appear there is a leak somewhere, a leak that you cannot detect, nor repair. Three cans of freon went some where! Your professional AC service man or woman has the equipment to detect leaks, evacuate the system in an environmentally safe manner, repair the leak, if any, effect any other repair that may be required, inject the proper amount of 'sealer' and AC lubricating oil, change the 'drier' and recharge your system to factory specification. At the end of this service, your AC will be in tip-top condition and probably remain there for years. Best of all, you will not accidently injure yourself or your equiment using this process.

That is my suggestion my friend. I hope you find this information useful. Thank you for your interest in FixYa.com

Jul 18, 2011 | 2001 Ford Expedition

2 Answers

Ac holds pressure for about 1 hour then goes warm after recharge


Hello duffman014: My name is Roger and I will help. If you keep loosing the charge there must be a leak. If this happens in a hour it is a leak that should be easily found. You will need a leak detector to find the leak. Check the obvious hoses,compressor seals, accumulator fittings and the condensor. Also look for areas of oil stain and dirt collection on the consensor ,fittings,and the accumulator. Look for oil leaks around the compressor. If you still find no leak. There is one more place to look. You will need to gain access to the Evaporater core. This is located in the dash area.Locate the blower resistor block. It will be on the A/C case under the hood. Should be held on by two 8 mm. bolts. Remove the screws and raise the resistor block out of the case. If you look down inside of the case with a flashlight. Look for oily trash or even vapor if you just charged the system.Or put the leak detector down inside the case. Should the detector alarm go off you found theleak. Should you neef further help please just ask. Please rate the answer as this way I know it was useful. Thank You for using Fix Ya.Roger.

Jul 21, 2010 | 1996 GMC Sonoma

1 Answer

How do you change an air conditioner compressor?


this is a job for an HVAC mechanic is the whole system has to be pumped out first, belt tension released, pressure lines removed, unit unbolted, new unit put in place, lines reconnected, system has to be pumped out of any air AGAIN, oil charge put in, system has to then be leak tested, pumped out yet again, then coolant charged assuming there is no leaks. and for the $500 you are paying for the compressor, its better to get an HVAC tech to do the job because if it all goes to hell on you, the repair bill will be on the shop that did the job to replace it for you.

Feb 25, 2010 | 1997 Saturn SL

1 Answer

Charging issues


Recommend istall dye into system,charge with just enough r134-A (cheapest at walmart.then let ac run for 30 min. after that inspect with black light for a green substance at all ac components.if none found look at ac drain for green residue.Best way to isolate ac leaks.

Jun 16, 2009 | 1999 Chevrolet Blazer

1 Answer

Charge air conditinor


My car A/C loses charge twice a year. Mechcanics cannot find any leaks.

I went to AutoZone and bought an A/C recharge can. Follow the on-can directions. I did, and in 5 minutes my A/C was cooling again, and lasted for several months.

Make sure you have the correct coolant. Newer cars use a different refrigerant than older ones. You may have to take an older car to a shop to get it charged, as the refrigerant is not for sale legally in many states unless you have a coolant recovery system to prevent leakage into the atmosphere.

May 20, 2009 | 2002 Suzuki XL-7

2 Answers

Help with accumulator question.


The accumulator is 17 years old, therefore it would be smart to replace it while the A/C compressor
is being replaced. There are no special steps for removal or replacement of the accumulator just
be sure all the fittings are tight.

May 16, 2009 | 1998 Lincoln Town Car

1 Answer

Recharging the a/c


Charging the A/C system is really simple. I have a '98, but don't know why a '97 would be much differrent. So, see if this works for you.

You will need a charging hose with a guage and two or three cans of refrigerent (R-134A). If your system is out of refrigerent you have a leak. So, make sure one of the cans you buy has marking dye in it so you can figure out where the leak is. Depending on how large a leak you have, it may take several weeks and months or just a few days. Most canned refrigerents have a sealing material that may plug the leak for an extended period of time or even permanently.

With the engine running and air conditioning on, disconnect the harness from the low pressure switch on the accumulator (left side of engine compartment).

Use a small wire to jump acoss the two contacts, the compressor clutch should engage and the compressor should start turning.

With the refrigerent can attached to the low side hose (blue connector), connect the hose to the low side port on the accumulator.

Open the valve on the charging hose. Refrigerent should start flowing. Shake can periodically refrigerent is drawn into system. Can will feel very cold and probably begin sweating as the refrigerent evaporates and is drawn into the accumulator.

There should be technical sticker under the hood to tell you how much refrigerent to charge system with. When it reaches the correct pressure 25 to 45 psi depending on ambient temperature, you are close to the correct charge, (most gauges you get at auto parts stores have a "blue zone" to indicate proper charge) close charging valve and disconnect the hose from accumulator. Though you can't tell exactly how much refrigerent you've put in, by knowing how much is in each can and how many cans you put in you will have a pretty good idea.

This will all go fine as long as you don't have a bad compressor or other sealed system problem.

Good Luck!

Jul 21, 2008 | 1997 Chevrolet Blazer

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