how do I recognize the ac low pressure port from the high pressure port? Where are they?
Oct 28, 2009 at 2:28 PM
low pressure port
2005 MERCURY MONTEGO
BUYDOSA
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The high side port is smaller around than the high side. Here is a guide and some diagrams to help you get the job done.
https://www.2carpros.com/articles/air-conditioner-how-to-add-freon
and
https://www.2carpros.com/articles/re-charge-an-air-conditioner-system
and
https://www.2carpros.com/articles/how-a-car-air-conditioner-works
The low side port is on the tube or hose that comes from the firewall and goes to the compressor.
Please let us know if you need anything else to get the problem fixed.
Cheers, Ken
https://www.2carpros.com/articles/air-conditioner-how-to-add-freon
and
https://www.2carpros.com/articles/re-charge-an-air-conditioner-system
and
https://www.2carpros.com/articles/how-a-car-air-conditioner-works
The low side port is on the tube or hose that comes from the firewall and goes to the compressor.
Please let us know if you need anything else to get the problem fixed.
Cheers, Ken
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Sep 7, 2017 at 2:19 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.