Buy a kit at wal-Mart or auto parts comes with instructions
YesYes
In the plastic bottle on the inner fender.
Down the dipstick tube.
R12-if it has ac of course.
Where_do_you_add_freon_on_a_2000_buick_regal
dip stick tube
It contains no Freon. It contains R134a refrigerant and you add it to the low pressure port which is the larger pipe.
You add it down the dipstick tube.
The 2000 Chevrolet Silverado truck has two ports on top of the air conditioner compressor. You will add Freon through the low pressure port.
Low pressure side-- larger hose from compressor
On the suction side, the low side...................
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.