How do you charge the air conditioning system on a Pontiac Sunfire 2002?

L

lisa r

New member
My son has a Pontiac Sunfire 2002. Where he bought the car never gave him an owner's manual. Last year, my husband charged the air conditioning system by buying a few cans of coolant and doing it himself. This year, my son had the air conditioning system checked. They ran dye through it and checked for leaks, and recharged it. After 2 months, the air stopped working. He took it back, they checked it, and charged it again. This week, it stopped working again, only blows out a little cool air. He is taking it back to the shop this week, but it is going to be in the 90's for a few days, and he thought he might charge the air himself like his Dad used to. Unfortunately, my husband died earlier this year, and my son doesn't know how to charge it himself. Can anyone tell us how he can do this? And can anyone possibly have any ideas as to why his air isn't working, even though the car repair place says there is no leak in his system? Thanks so much!
 
Most likely he has a leak in the evaporator core which is almost impossible to detect with dye. A freon sniffer near the vents will confirm this. Unfortunately, it is a huge job to replace it and insure the system is sealed properly.
 
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