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Old 09-09-2009, 10:42   #1 (permalink)
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AC Low Side Service Port On A 2006 Ford Crown Victoria

Can anyone tell me where to find the AC low side service port on my 2006 Crown Vic LX 4 door? I'm thinking it is the port on the passenger side next to the radiator, is this correct? Thanks in advance.
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Old 09-09-2009, 10:52   #2 (permalink)
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Re: AC Low Side Service Port On A 2006 Ford Crown Victoria

The easiest way to tell, if the AC is working, it will be the cold line.

Its the line that runs from the compressor to the receiver (at the firewall)
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Old 09-09-2009, 13:31   #3 (permalink)
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Re: AC Low Side Service Port On A 2006 Ford Crown Victoria

There are 2 ports. One large and one small. The small one is the low side. What are you trying to do? If you have some gauges. they won't fit on the wrong port.
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Old 09-10-2009, 10:09   #4 (permalink)
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Re: AC Low Side Service Port On A 2006 Ford Crown Victoria

This is like someone saying, "I need to air up my tires - where do I put it in?" If you don't know, then you shouldn't be messing with it.
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Old 09-10-2009, 13:43   #5 (permalink)
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Re: AC Low Side Service Port On A 2006 Ford Crown Victoria

The AC is switching from blowing out of the vents in the dash to blowing out of the foot and defrost vents going up very big hills. This only happens going up hills, so I added a can to the car yesterday and it has helped, in fact it just about stopped it from switching, now it does it only a little and it switches back to blowing out of the dash faster. Thanks for the helpful post-backs.

Now to answer Steve83 post: I like most people don't want to get raped by an auto mechanic for doing a simple task. I don't feel like buying the mechanics beer for the day.
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Old 09-10-2009, 13:47   #6 (permalink)
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Re: AC Low Side Service Port On A 2006 Ford Crown Victoria

If it's switching to defrost, the problem is a vacuum leak somewhere or the check valve isn't working. The freon won't have any effect on that.
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Old 09-10-2009, 14:46   #7 (permalink)
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Re: AC Low Side Service Port On A 2006 Ford Crown Victoria

Agree with rtg143. If the refrigerant pressure was good to begin with, the only thing you did was decrease the systems cooling ability. More refrigerant does not mean better cooling. Low pressure should be around 32-35 psi.
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Old 09-10-2009, 17:07   #8 (permalink)
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Re: AC Low Side Service Port On A 2006 Ford Crown Victoria

What a mechanic earns and what a shop charges are usually quite a bit different. Nobody wants to pay a mechanic what he's worth until you think you really need him. JMO........... a retired mechanic
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Old 09-10-2009, 17:26   #9 (permalink)
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Re: AC Low Side Service Port On A 2006 Ford Crown Victoria

Quote:
Originally Posted by redstangbob View Post
What a mechanic earns and what a shop charges are usually quite a bit different. Nobody wants to pay a mechanic what he's worth until you think you really need him. JMO........... a retired mechanic
I second that!!!
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Old 09-11-2009, 07:58   #10 (permalink)
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Re: AC Low Side Service Port On A 2006 Ford Crown Victoria

Quote:
Originally Posted by redstangbob View Post
What a mechanic earns and what a shop charges are usually quite a bit different. Nobody wants to pay a mechanic what he's worth until you think you really need him. JMO........... a retired mechanic

True, and I should have pointed my statement at the industry and not the mechanic. I do apologize and agree with you.
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