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Where is orfice tube? need a diagram. - 2003 Chevrolet Suburban 1500

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It should be close to firewall, neer a/c evaporator. A hose in that vicinity will have a connection that can be opened up. it should be there. I can point it out, but without seeing it,?? I don't have a diagram......send me a pic of your truck and I will explain it to you......

jtarin@cox.net

Posted on Jul 16, 2009

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