Question about 2004 Chevrolet Suburban

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97 suburban rear a/c doesnt get cold but front works great

Was told by shop it was rear expansion vlave. Were is the expansion valve locted? Is it an actual expansion valve or is it an orifice tube.

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The expansion valve is in the rear ac housing and it is bolted directly to the rear evaporator. it is an actual expansion valve and not an orifice tube. the part is about $45. the interior on the passenger side has to come out along with the entire rear ac sytem.

Posted on Jul 19, 2009

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The vehicle does not even have a rear expansion valve. The vehicle has a rear evaportar. Is the air coming out of the back ?
I would have the system check somewhere else, The repairs can get very expensive because the a/c lines that go back there leak .
They are expensive to replace. The time is usually 2-3 hours, But the lines are over 100.00 each, and there are two lines going back there from the front of the vehilce to the back,

Good luck

Posted on Jul 18, 2009

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