ac ports

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Sep 6, 2004 | 11:12 PM

benjam33

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Joined: Sep 2004

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ac ports

I have a 99 lincoln navigator with front and rear AC. I have located the high side port which is on the passenger side engine bay behind the headlight, however I cannot locate the low side. Can anyone tell me where the low side ac port is located?

Sep 17, 2004 | 10:31 AM

99ExpeditionXLT

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Port Location

Try looking in the engine compartment, close to the firewall just past midpoint towards the passenger side. I believe that's the other connection point, but I'm not sure it is the low pressure side.

Sep 17, 2004 | 05:42 PM

HomerWinzlow

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Joined: Jul 2003

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From: Lawton, Oklahoma

Its on the accumulator .

Sep 17, 2004 | 06:10 PM

cds

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Joined: Jul 1999

Posts: 246

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From: Monroe, NC

The one by the firewall is the low pressure port. I checked the charge on my system this spring and I am still alive to talk about it. I have the Haynes manual and it is not very clear on which port is high and which is low. Does anyone know what happens if you hook to the high pressure port??

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