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George H.
George H., ASE Certified Technician
Category: Buick
Satisfied Customers: 18756
Experience:  ASE Master 15+years
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I have a 95 Buick regal a/c question why is the low and high

Customer Question

I have a 95 Buick regal a/c question why is the low and high pressure ort on the same line with the accumulated filter in between the 2 ports
JA: How many miles are on the car? How has your mileage been lately?
Customer: It has 105000 miles milage seam fine.
JA: What is the make/model of your car?
Customer: 95 Buick regal, a/c problem
JA: Are you fixing your Regal yourself? What have you tried so far?
Customer: I've replaced a/c compressor, receiver dryer and office filter. I noticed both high and low pressure ports are on the high pressure line.
JA: Anything else you want the mechanic to know before I connect you?
Customer: Yes shouldn't the two ports be on seperate lines?
Submitted: 10 months ago.
Category: Buick
Expert:  George H. replied 10 months ago.

Hello I will help,

That is the orifice tube between the pressure ports and it drops the pressure from high to low through it's orifice. It is not a filter but it does have a screen on it to prevent the orifice from clogging with debris.

On one side of the tube is high pressure from the condenser and on the other low pressure headed to the evaporator inside the cabin.

Please let me know if you have further questions

Thank you

Expert:  George H. replied 10 months ago.

Does that answer your question?