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Old 07-14-2016, 06:22 PM   #1
nm78bronco
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Join Date: Apr 2011
Location: San Tan Valley, Arizona
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front and rear expansion valves for suburban

On a 1976 suburban with front and rear air conditioning, do the front and rear expansion valves use the same part #? I'm currently restoring my AC. Thanks for any input.
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Old 07-15-2016, 03:26 PM   #2
durtyburd86
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Location: augusta ga
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Re: front and rear expansion valves for suburban

i just went thru the whole system on my 1991 burb, which i think its the same design as yours.. if so, it uses a orifice tube for the front and a expansion valve in the rear. the orifice tube goes in the bottom of the evap coil. it is directional so make sure it goes in the correct way(dont ask how i know ,lol) hope this helps: gmc2:
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Old 08-06-2016, 02:50 AM   #3
nm78bronco
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Re: front and rear expansion valves for suburban

Thanks for the information. I'm going thru my entire AC system and I have more work to do.

Thanks again..
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