If your car is older and blowing hot air, you might want to give your next steps a hard think.The voyage to the root of a dead air conditioning system can be exasperating, exhausting and expensive.
Mixing, or cross-contamination, can result in system leaks and expensive failures.
Proper handling of these chemicals can help the environment and save you money.
It used to be common practice to simply release refrigerant to the atmosphere during service.
I call it the absence of malice problem: I only notice something is wrong because I take for granted how often everything is right.
Turn the key and go; it’s what we demand of today’s cars, and it’s what we overwhelmingly get.