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After recharging my ac with freon it still doesn't blow cold air in my 02malibu ls what's next?

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  • AC Master
  • 880 Answers

DID YOU USE AN EVACUATION PUMP TO PUT A VACUUM ON THE SYSTEM AND OBSERVE WHETHER IT HELD THE VACUUM OVER TIME? THIS IS A LEAK CHECK. DID YOU USE GUAGES TO ADD THE CORRECT CHARGE VOLUME? WERE THE READINGS DIVERSE ONE HI READING AND ONE LOW READING? IS THE SUCTION LINE GETTING COLD UNDER THE HOOD? THE LARGE AC LINE THAT ENTERS THE CAR AT THE FIREWALL IS THE SUCTION LINE. DOES THE COMPRESSOR CLUTCH ENGAGE?

Posted on Apr 06, 2015

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Posted on Jan 02, 2017

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  • 625 Answers

SOURCE: AC problem

is the compressor turning on? when you turn thwe a/c? on,
and also locate the low side line on engine compartment and feel if is cold, if it is, then your blend door system is not working,
the blend door does control the cold and hot air coming to engine.

Posted on Jul 02, 2008

  • 38 Answers

SOURCE: AC is not blowing cold air. How do I add freon?

What you will be looking for (in your engine compartment) looks almost like a large valve stem that you would see on a tire. It will probably have some kind of plastic cap on it.

It shouldn't be that difficult to find. You may want to search for an engine compartment diagram for your make/model/year vehicle.

Posted on Mar 19, 2009

  • 5520 Answers

SOURCE: 97 Olds Aurora AC blowing warm air a day after recharging system

Several- The system should hold freon for years without leaking. There are pressure switches and they cut off the compressor with an undercharge and an overcharge. You need guages to measure the charge. There are testers the A/C shops have called "sniffers" which can detect a leak. If you have no leak then you need a technician to add or remove freon to get the concentration right. Or you need guages.

Posted on Jun 12, 2009

  • 299 Answers

SOURCE: saturn ac wont blow cold air

check cooling fan operation while ac on.If fan is working proper,will probably have stuck exspantion valve.

Posted on Jun 18, 2009

heavymetal77
  • 721 Answers

SOURCE: ac not working, blows hot air only. Recharged

Check the evaporator coil by sniffing the vents,floor is best, with your tester.

Posted on Jul 16, 2009

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Ac blows cold air for about 15 minutes then starts blowing warm air then starts blowing cold air again freon is full


Freon is not full. If it goes back and fourth it is pumping then reaching a low pressure on the low side below 35 psi. Pressure while car is off should be pegged. Check at idle should be around 50 psi and 35 psi at 2000 rpms.

Good luck. If problem persists evac system replace dryer and recharge.

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1 Answer

The air conditioning isn't blowing cold air anymore. It takes a while for it to get Cold, it blows cool air but not cold.


My name is Ron,and I have one solution,Sounds like you need some freon added,if that doesn`t fix ya ,the ac compressor could be weak,or blockage in ac system,or vent door not opening,or opening slowly,and not all the way...hope this helps,roniecon@gmail.com

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How do i put freon in my 2000 nissan xterra


RECHARGING AC SYSTEM

  1. Turn the car on and turn AC on HIGH
  2. Locate the low side AC line (will have a valve and cap similar to the cap on a tire)
  3. Insert the oil or R-134A can to the hose (Do not turn the screw to puncture the can yet)
  4. Insert the other end of the refill hose to the low side valve
  5. Puncture the R-134A can with the screw on the refill hose
  6. You should feel the system suction the refrigerant out of the can
  7. Check for frost on the AC lines and the air blowing inside the car
  8. If frost develops and the air is cold, you've successfully recharged the system and disconnect the refill hose. DO NOT ADD MORE REFRIGERANT...overcharging the system will damage your compressor and will be less effective
Hopefully this answers your question and you're able to get your AC working again. Best of luck.
Greg

Jul 13, 2009 | 2002 Lincoln LS

1 Answer

AC not blowing cold air


Most likely the A/C system needs to be recharged with freon.
Most shops charge under $50 for this service.

Apr 25, 2009 | 2003 Hyundai Santa Fe

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