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Old 09-05-2022, 11:06 AM   #1
white855T
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Default 940 r134a ac valve core tool

I have a leaking ac fill valve(right next to drier). I have replacement core but a standard core tool does not work. The core is much deeper in the valve. Any sources for core tool or a method to removing core?
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Old 09-05-2022, 11:59 PM   #2
James M
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Valve core like the shrader valve? Any auto parts store should sell one, same you would use on a tire.



Yes maybe I've broken this tool 4 times but they warranty it no questions asked.
The only time it doesn't work is GM ball valve style
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Old 09-06-2022, 01:35 PM   #3
dandeluca
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I couldn't tighten my core until I realized I needed to take off the quick connect fitting in order to access the shredder valve. That was a brain fart that lasted several weeks.
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Old 09-06-2022, 04:36 PM   #4
AnthonyHardy2
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There's also tools like this that let you change the valve core without discharging the system
https://www.amazon.com/Aupoko-Instal.../dp/B085VGN791
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