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Where_do_you_add_freon_on_a_2000_buick_regal
You can add Freon to your 2001 Buick Century air conditioning system through the low pressure port. The low pressure port can be found on the top of the air conditioner compressor.
add antifreeze
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It contains no Freon. It contains R134a refrigerant and you add it to the low pressure port which is the larger pipe.
Purchase a recharge kit from your local auto parts store. It will come with instructions. Keep in mind if the system is low or empty, it will probably leak out again after you recharge.
The 2000 Chevrolet Silverado truck has two ports on top of the air conditioner compressor. You will add Freon through the low pressure port.
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.
It is either on or near the recievr dryer in the right rear of the engine compartment. To corrrectly add freon, you need gauges and a refrigerant recovery system
Everything takes a different form of Freon. Drain the system if it has not been so prior then add R134a Freon into the coolant system.
Its best to use a set of a/c gauges but if you are not then just add the freon to the low side which will be the larger hose (suction side)...