Question about 1999 Chevrolet Blazer

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I put freon in my vehicle.....now it is overheating

I think i put to much freon in my vehicle

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If the A/C is cooling properly you did not put too much freon in the system.
Check the cooling system level and make sure the fan is working properly. If it is an electric cooling fan, it should come on when you turn the A/C on. If it is a mechanical fan, the fan should be making a "roar" sound when the vehicle is at or above normal running temperature and the A/C is on.
Also make certain there are no obstructions between the A/C condenser and radiator or in front of the radiator.
Let me know and we can go from there.
Regards,

Posted on Jun 19, 2009

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Posted on Jan 02, 2017

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1 Answer

Put freon in 96 prizm leaking radiator but not running hot


its not A/C Freon, its called AF, antifreeze coolant, and
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how far can you go with an artery cut.>? same deal.
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No heat on my 1999 jeep grand cherokee and overheating


Stop leak can cause the radiator ports to get clogged. But if your car isn't getting heat, it's probably your heater core. The heater core is usually burried in the firewall between the engine and where you or your passenger put your feet

Oct 18, 2017 | 2000 Jeep Grand Cherokee

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Just had Halfords fit new cam belt on Audi A4, now it is overheating and they say my water pump has packed up! Is it ok to still drive the car until the problem is sorted as they told me it would be ok but...


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I'm trying to put freon in my car and it won't take it... What can the problem be?


To put freon in the system,the vehicle has to be running and turn the ac to max. it may take 5 minutes or so per can . if it still won't take it ,the valve where you are refilling could be bad or after you put the hose on the can of freon you have to unscrew the t handle screw that is used to puncture the can to release the freon through the hose.

Jul 25, 2011 | Jeep Cherokee Cars & Trucks

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My air conditioner is blowing warm air..is it low on freon and if so can I put it in myself?


Absolutely not. There must be professional equipment which puts freon into the system under pressure. Besides it's extremely poisonous.

Jul 11, 2011 | 2006 Chrysler Town & Country

1 Answer

Air conditioning not too cold ??


Hello,
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Let me explain in layman's terms how the air conditioning (AC) system works and what could be happening to your car.

Like your body, the air conditioning compressor is the heart of the AC system, and Freon is the blood. The compressor pumps Freon throughout the AC system, either the older type R12 which costs as much as gold it seems these days, or the new environmentally-friendly R134A Freon. This Freon is a gas and liquid combination that is compressed and circulated throughout the air conditioning system. The compressed Freon is pushed through the system under pressure and is passed through different sized metal and rubber hoses and a special valve called an expansion valve that cause the gas to expand and contract.

This expansion and contraction makes the Freon gas very cold. This cold gas makes its way via metal lines into the dash area of your vehicle to the evaporator core. This evaporator core is like a small radiator, except it has cold Freon circulating inside and not hot antifreeze. A small fan (the AC blower fan which you control from the control panel on the dash) sits in front of the evaporator core and blows air across this cold evaporator and then through the vents inside your vehicle.

The other objective of the air conditioning system is to remove the heat from inside the cab of the vehicle. This heat is removed by the Freon with the help of the AC condenser located at the front of the car (usually in front of the radiator). The Freon coming back from the evaporator carries the heat from the cab to the condenser via rubber and metal hoses. Just like your radiator, the condenser is lightweight aluminum with many internal winding coils.
The Freon travels through these coils, and in between these coils are small slits or fins that the Freon is forced through. The condenser will have an electric cooling fan mounted in front or behind it to push or pull air through these fins to remove the heat from the Freon. Some vehicles still use the old fashioned fan blade driven by the engine to pull air across the radiator and the condenser.
Now I know that is just a tidbit of information on how the air conditioning system works, and it is very general, but I wanted you to know what to look for to give you insight as to what might be happening with your vehicle.
A few causes of low cooling efficiency or no cooling at all at idle are:

Lack of air flow across the condenser. Make sure the electric cooling fan motor near the condenser is coming on, or in models that are equipped with a fan blade make sure this fan is turning and is turning very fast.

Low Freon levels. Freon level and pressure should be checked by your certified air conditioning mechanic.

Overheating. If the engine is running hot or overheating, it can have a noticeable negative affect on the air conditioning system. Some cars have two electric cooling fans, one for the air conditioning condenser and the other for the radiator. Make sure they are both working properly. Usually at idle on a hot day with the AC on both fans will be on.

When the vehicle is traveling at freeway speeds, the compressor is pumping the Freon throughout the system much faster and harder than at idle. There is a dramatic increase in air flow across the condenser due to 55 mph winds, and the engine is usually operating at a cooler, more efficient temperature as well, thus allowing the air conditioning system to operate efficiently.
Note: An air conditioning system that is somewhat low on Freon can still feel comfortable at freeway speeds due to the added air flow across the condenser which can overcome the ill effects of slightly low Freon. Periodic air conditioning performance checks by your mechanic are the best way to keep the system in great shape.

Hope this helps.

Goodluck

Oct 08, 2010 | 1998 Cadillac DeVille

1 Answer

My compressor on my 2002 sedona is not kicking on. I am not low on freon, could you please help with a solution? Thanks


if the temp sensor is sending a sinal that the vehicle is overheating it will not allow the compressor to kick in. this is one possibility. check your owners manuel under a/c to see if there are any other conditions that might do the same .driving long steep grades ,and sitting on the freeway can cause overheating also,when you use your a/c it puts an additional load on your engine. also check your battery a week batery/alternater can have the same effect

Aug 10, 2010 | 2002 Kia Sedona

1 Answer

Think the a/c has a leak. Put botttles of freon


deifinitely leaking...most likely spot is the condenser and accumulator..could also be at the compressor.

Jun 16, 2009 | 1997 Pontiac Bonneville

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