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06-06-2022, 08:48 AM
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#1 |
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Registered User
Join Date: Mar 2015
Location: Fletcher, N.C.
Posts: 309
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A/C STV valve test...
Does anyone here know how to bench pressure test an A/C STV valve or the procedure, thanks Ed...
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1970 C/10 350/T5 SWB stepper... 1979 Corvette 350/Auto T-top... 2010 Acura RL... 2015 2500HD Z-71 Silverado... |
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06-06-2022, 12:26 PM
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#2 |
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Registered User
Join Date: Mar 2022
Location: PINE CITY, MN
Posts: 19
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Re: A/C STV valve test...
There really isn't a reliable bench test, other that to pressure up to test for leaks. You diagnose them with the system running to check pressure and temperature differentials.
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06-06-2022, 05:41 PM
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#3 | |
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Registered User
Join Date: Mar 2015
Location: Fletcher, N.C.
Posts: 309
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Re: A/C STV valve test...
Quote:
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1970 C/10 350/T5 SWB stepper... 1979 Corvette 350/Auto T-top... 2010 Acura RL... 2015 2500HD Z-71 Silverado... |
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06-07-2022, 11:41 PM
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#4 |
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Senior Member
 Join Date: Dec 1999
Location: Southern California
Posts: 2,698
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Re: A/C STV valve test...
Had to do a search for the term "STV valve", never heard it before. In the 67-72 trucks there is a POA valve. Seems to be similar. Here is a post on adjusting a POA http://67-72chevytrucks.com/vboard/s...&highlight=POA may help?
The other valve in the system is the TXV. Do not recommend adjusting the TXV. Which one are you referring to?
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Richard 1972 K10 Custom Deluxe SWB Fleetside My build https://67-72chevytrucks.com/vboard/...d.php?t=800746 |
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