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Base 2007 Escalade EXT, 04 Cadillac SRX V8
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271 Posts
Discussion Starter #1
I am going to recharge the AC with r134a. I see that there are two AC couplers close to eachother in the engine compartment on the drivers side(left). Which one should I use? The one to the left or right?

Replies are appreciated!
 

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2004 Seville/2008 SRX
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50 Posts
I am going to recharge the AC with r134a. I see that there are two AC couplers close to eachother in the engine compartment on the drivers side(left). Which one should I use? The one to the left or right?

Replies are appreciated!
Someone else might want to comment but I thought the fitting on the hose from the recharge kit would fit only one of the AC couplers.
 

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08' SRX
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24 Posts
I'm not exactly sure on this vehicle which one it is, but be very careful hooking it up, because one line is the high-pressure line which can be dangerous if hooked up to the wrong one. Usually the line to use is the one that comes out of the firewall going to the compressor. I checked mine on my Mazda6 the other day, and it was the larger metal line on that car. I'm not quite sure on the Cad.
 
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