No, around 1994 auto manufacturers stopped using r-12. The current refrigerant in use is r-134a. To confirm the type of refrigerant, look on the silver canister next to the firewall on the passanger side there will be a sticker on there stating what type and how much is in the system.
r-134a
I had a problem with stalling with a 2000 Impala, and it was the oxygen sensor.
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R12 134A pre 1996 is r12, after is r134
There is one valve that is used to add refrigrant. But you had better not add Freon. Freon is R12 and your vehicle's A/C system does not have Freon (R12) as a refrigrant. More than likely it uses R134a.
It was built with r12. It can be retrofitted to R134a.It was built with r12. It can be retrofitted to R134a.
Mineral oil is used with all R12 systems.
According to Automobile online In August 2010, a recall for faulty seat belts and anchorage was announced for the 2000 Impala. Another reason the Chevy 2000 Impala was recalled was problems relating to the suspension.