I have a 99 Mazda 626 and mine is on the passenger side of the car. Look for a black cylinder close to the firewall. You should find a small screwoff cap on the black cylinder. This is where you connect your hose to add freon. The high pressure and low pressure service ports are different sizes, so you can't get them mixed up and connect to the wrong one. Hope this helps!
take the gas cap off
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it should be in front of the radiator like on my 1998
Behind the radiator, under the air intake!
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It is added through the low pressure service port.
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all I want to know is what kind of refrigerant for 2002 Mazda 626
Mazda Discontinued the Millenia in 2002.
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