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If my a/c needs coolant can I add it myself or do I need a professional?

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  • Uncle Eddie May 22, 2011

    Central air or window unit?



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The refrigerant needs to be added to the low pressure side--the new A/C should be designed to have different fittings for the low and high pressure sides. The pressure needs to be at the specified range by using a guage.

Posted on May 22, 2011


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Took my car to good-year needs motor gastkets replaced the only problem with the car is that it over heats once in awhile

Here's what I would try.
Buy a container of Barr's Leak Copper coolant system stop-leak. (Its $10 and looks like liquid copper in a clear container)
Add half of it to coolant per instructions. (I drained some coolant from reservoir to make room for the stop-leak)

Drive car as directed by manufacturer's instructions and keep tract of coolant level. If problem abates, just top off coolant reservoir with coolant and happy motoring. If not, add remainder of dose.

I recently used it on y 2002 Chevy Malibu and since a six cylinder engine, only used half a dose. What a deal!!!

Good Luck

Sep 22, 2017 | Cars & Trucks

1 Answer

How to add a sealant to the Radiator? And I cant find where the cap ? Will It be easy to do?

Hi, radiator sealant is usually only good for sealing small leaks, did you top up the coolant level? Can you see where the coolant is leaking from? What vehicle is it?

Oct 21, 2014 | Cars & Trucks

1 Answer

I have a mitsubishi lancer 2002. The coolant reservoir tank is empty. Radiator is full. I just need to add coolant to reservoir. Do i add straight coolant or does it need to be a 50/50 water/coolant mix?

It is best to add a coolant mix. You can get it ready mixed, but try to ascertain if your car now has in it green mix or red mix. It is best not to mix these 2 mixes LOL
If you cannot make out what is in there now, just add demineralised water.

Dec 14, 2011 | 2002 Mitsubishi Lancer

1 Answer


The only way to clear up a clogged heater core, is ti have the coolant system flushed. Take you car to a reputable radiator shop. They will add a radiator cleaner to your heater core directly, and let it sit there for a while. Then the vehicle will need to be started and allow the thermostat to open. Once heated, they will flush out the entire coolant system, and replace it with new coolant. The cost will be approx. $100 - $200.......better than the $1500 to replace a heater core. A well maintained vehicle should have this procedure done every "5" years.

Dec 28, 2010 | Jaguar S-Type Cars & Trucks

1 Answer

Where do check coolant protection level & add coolant?

You have a tank on the passenger side of the engine compartment. The level check is on the front of the tank. If it is low...wait till the engine is cold and remove the cap(turn until it stops unscrewing then pull. Add coolant to the "full cold" level then replace the cap. Push the cap on a little then screw down tight. Be careful not to cross thread the cap. If you are unsure, take it to a professional.

Dec 28, 2010 | 2003 Pontiac Grand Am

1 Answer

How do I check the coolant on my 2005 Boulevard?

The coolant reservior is behind the left side crank case cover. Low on the crank case cover is a viewing port. Using a flashlight, you can see the level of coolant in the reservior. If you need to add coolant or check its potency, you will need to remove the cover. Remove the bolts holding the cover in place and then remove the cover itself.

If you need to add coolant, you will need a coolant that is compatible for use in an aluminum radiator. Read the the coolant container lable carefully; the wrong type, especially alcohol based coolant will destroy the aluminum radiator. A 50/50 mix of coolant and distilled water should be used if you need to add any.

If you just need to check the potency of the coolant you can pick up a hygrometer at an auto parts store or one of those "big box" stores.

Aug 13, 2010 | 2005 Suzuki Boulevard C50T

1 Answer

Can I recharge the coolant in a 2006 Kia Sedona myself?

If you are talking about the radiator coolant then the best way is to drain old out, flush the system thoroughly then add 50/50 antifreeze back.

Jul 05, 2010 | 2006 Kia Sedona

1 Answer

I have a 1989 Ford Probe. It is saying the

Time to have your system flushed and coolant replaced professionally.

Mar 26, 2010 | 1989 Ford Probe

2 Answers

1997 chevy cavalier What kind of air

do you mean freon? it should be R134a, and you can get a do it yourself kit

Jun 08, 2009 | 1997 Chevrolet Cavalier

1 Answer

Antifreeze/coolant leaking from under passenger side dash

If it's your heater core, unless you're a mechanic you probably should get professional help. The heater core is located on the firewall and many parts need to be replaced to get to it. Do you see water on the floor inside the vehicle, Many times a heater core will leak inside.

Mar 12, 2009 | 1993 Chevrolet S-10 Blazer

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