is there a valve for coolant/how to fix AC

Asked by Aug 13, 2016 at 08:35 PM about the 2006 Chevrolet Cobalt LS

Question type: Maintenance & Repair

After my radiator was replaced, it took all summer last summer to figure out
that it needed a recharge which is why I had no AC, but since it was
already winter my dad chose to wait to do anything. this summer he bought
a can of refrigerant to recharge it, but couldn't figure out how to get it to
work. My neighbor also tried and after the third attempt thought he had the
solution.... there was a port that when he attached the dispenser liquid
leaked out... he said to drain it all and then I could add more.... but after I
did that, I am afraid that may have been the coolant not ac... I really have
no idea how cars work... can someone please help?

1 Answer

228,965

Yes, have a local mechanic look it over, check for leaks and charge the A/C properly and have your coolant topped off. There is a high side and low side pressure that needs to be checked and monitored, and the old refrigerant evacuated to make sure the right amount of new refrigerant is added to make the system work properly. Do you know it is illegal to vent A/C refrigerant to the atmosphere?

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